OSHA 511 GENERAL INDUSTRY EXAM LATEST WITH

OSHA 511 GENERAL INDUSTRY EXAM LATEST WITH

ACTUAL QUESTIONS AND CORRECT VERIFIED

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Question 1 Under OSHA's Hazard Communication Standard (HCS), how often must employers update their chemical inventory?

• Every month
• Whenever a new chemical is introduced or an existing chemical is removed
• Every 5 years
• Only during annual audits

Answer: B) Whenever a new chemical is introduced or an existing chemical is

removed

Explanation: Employers must update the chemical inventory as changes occur to

maintain accurate and current information for employee safety.

Question 2 According to OSHA, what is the maximum allowable noise exposure for an 8-hour workday before hearing protection must be provided?

• 85 decibels
• 90 decibels
• 95 decibels
• 100 decibels

Answer: A) 85 decibels

Explanation: OSHA requires hearing protection when noise exposure exceeds 85

dBA averaged over 8 hours.

Question 3 What is the minimum height for guardrails on walking/working surfaces where there is a fall hazard of 4 feet or more in general industry?

• 30 inches
• 34 inches
• 42 inches
• 48 inches

Answer: C) 42 inches

Explanation: OSHA requires guardrails to be 42 inches (plus or minus 3 inches)

high to protect workers from falls.

Question 4 In OSHA’s permit-required confined space standard, what is the maximum allowable oxygen level before entry?

A) 16%

B) 19.5%

C) 23.5%

D) 25%

Answer: B) 19.5%

Explanation: Oxygen levels below 19.5% are considered oxygen-deficient and

unsafe for entry.

Question 5 Which OSHA standard requires employers to provide emergency eyewash and shower facilities?

• Hazard Communication (1910.1200)
• Personal Protective Equipment (1910.132)
• Medical Services and First Aid (1910.151)
• Occupational Noise Exposure (1910.95)

Answer: C) Medical Services and First Aid (1910.151)

Explanation: Employers must provide suitable facilities for quick drenching or

flushing of the eyes and body where employees may be exposed to corrosive materials.

Question 6 When must an employer provide training on the use of fire extinguishers?

• At the time of initial assignment only
• Annually
• At the time of initial assignment and whenever there is a change in the

workplace that presents a new hazard

• Never, unless requested by employees

Answer: C) At the time of initial assignment and whenever there is a change in

the workplace that presents a new hazard

Explanation: OSHA requires training at assignment and whenever workplace

conditions change.

Question 7 What is the required clearance between portable ladders and electrical equipment to prevent electrical hazards?

• 5 feet
• 10 feet
• 15 feet
• 20 feet

Answer: B) 10 feet

Explanation: OSHA requires a minimum clearance of 10 feet between ladders and

exposed energized electrical equipment.

Question 8 What must be included in a written respiratory protection program?

• Medical evaluations of employees
• Fit testing procedures
• Procedures for cleaning and maintaining respirators
• All of the above

Answer: D) All of the above

Explanation: OSHA requires all these elements to ensure the respiratory

protection program is effective.

Question 9 Which of the following is NOT considered a hazard that must be addressed under OSHA's Lockout/Tagout standard?

• Electrical energy
• Hydraulic energy
• Mechanical energy
• Chemical energy

Answer: D) Chemical energy

Explanation: Lockout/Tagout applies to controlling hazardous energy such as

electrical, mechanical, hydraulic, pneumatic, but not chemical energy.

Question 10 Under OSHA regulations, how often must fire extinguishers be inspected?

• Monthly
• Quarterly

• Annually
• Every 5 years

Answer: A) Monthly

Explanation: Fire extinguishers must be visually inspected monthly and undergo

maintenance annually.

Question 11 Which OSHA regulation governs the use of machine guarding?

A) 1910.95

B) 1910.132

C) 1910.147

D) 1910.212

Answer: D) 1910.212

Explanation: OSHA's machine guarding standard is found in 29 CFR 1910.212.

Question 12 What is the minimum width of an exit route?

• 18 inches
• 22 inches
• 28 inches
• 36 inches

Answer: D) 36 inches

Explanation: OSHA requires that exit routes must be at least 36 inches wide.

Question 13 When conducting a hazard assessment, what must an employer do?

• Identify hazards
• Select appropriate PPE

• Train employees on PPE use
• All of the above

Answer: D) All of the above

Explanation: Employers must identify hazards, select proper PPE, and train

employees accordingly.

Question 14 What is the maximum distance an employee can travel to reach an eyewash station?

• 10 feet
• 25 feet
• 50 feet
• 100 feet

Answer: C) 50 feet

Explanation: OSHA requires eyewash stations to be located within 10 seconds or

approximately 50 feet of potential hazards.

Question 15 In OSHA's Hazard Communication Standard, what must be included on labels of hazardous chemical containers?

• Product identifier
• Signal word
• Hazard statements
• All of the above

Answer: D) All of the above

Explanation: Labels must include these to communicate hazards clearly to

employees.

Question 16

What is the maximum allowable slope for an exit route?

A) 1:6

B) 1:8

C) 1:12

D) 1:20

Answer: C) 1:12 Explanation: OSHA requires exit routes to have a slope no steeper than 1:12 for safe egress.

Question 17 Which of the following is NOT required in an OSHA-compliant lockout/tagout procedure?

• Documenting procedures for shutting down equipment
• Providing training for authorized employees
• Using chemical neutralizers for hazardous energy
• Verifying the isolation of hazardous energy

Answer: C) Using chemical neutralizers for hazardous energy

Explanation: Chemical neutralization is not part of lockout/tagout procedures,

which focus on mechanical or electrical energy isolation.

Question 18 What is the minimum clear width of a stairway used as an exit route?

• 22 inches
• 30 inches
• 44 inches
• 48 inches

Answer: C) 44 inches

Explanation: OSHA requires stairways used as exit routes to be at least 44 inches wide.

Question 19 How often must employers provide training on Hazard Communication?

• Only at initial employment
• Annually and when new hazards are introduced
• Every 5 years
• Only when requested by employees

Answer: B) Annually and when new hazards are introduced

Explanation: OSHA requires initial and refresher training whenever hazardous

chemicals are introduced.

Question 20 Which is the correct minimum height for a toeboard on a scaffold?

• 2 inches
• 4 inches
• 6 inches
• 8 inches

Answer: B) 4 inches

Explanation: OSHA requires toeboards to be at least 4 inches high to prevent

materials from falling.Question 21 What is the maximum allowable exposure limit for airborne lead in general industry workplaces?

• 20 micrograms per cubic meter (µg/m³) averaged over an 8-hour workday
• 50 micrograms per cubic meter (µg/m³) averaged over an 8-hour workday
• 10 micrograms per cubic meter (µg/m³) averaged over a 12-hour workday
• 40 micrograms per cubic meter (µg/m³) averaged over an 8-hour workday

Answer: A) 20 micrograms per cubic meter (µg/m³) averaged over an 8-hour

workday

Explanation: OSHA’s PEL (permissible exposure limit) for lead is 50 µg/m³ as an 8- hour TWA, but the action level for monitoring and medical surveillance is 30 µg/m³. The question asks maximum allowable, which is 50 µg/m³. Since A is 20,

the correct answer is actually B. So to clarify:

Correct Answer: B) 50 micrograms per cubic meter (µg/m³) averaged over an 8-

hour workday

Explanation: OSHA sets the PEL for lead at 50 µg/m³ as an 8-hour TWA.

Question 22 When must employers conduct a hazard assessment for personal protective equipment (PPE)?

• Once during the initial hiring process
• Whenever new job tasks or hazards are introduced
• Only if employees request PPE
• Annually, regardless of changes

Answer: B) Whenever new job tasks or hazards are introduced

Explanation: Employers must perform hazard assessments whenever new

hazards arise to ensure proper PPE is provided.

Question 23 What is the minimum clearance OSHA requires between a forklift’s overhead guard and low ceilings or beams?

• 6 inches
• 8 inches
• 12 inches
• 18 inches

Answer: C) 12 inches

Explanation: OSHA recommends maintaining at least 12 inches clearance to avoid

collisions and injuries.

Question 24 According to OSHA, which of the following is true about the use of respirators?

• Fit testing is optional if employees wear the same size respirator
• Medical evaluations must be performed before respirator use
• Respirators may be shared between employees
• Respirators are only required when airborne contaminants exceed 200% of the

PEL

Answer: B) Medical evaluations must be performed before respirator use

Explanation: OSHA requires medical evaluations to ensure employees can safely

wear respirators.

Question 25 What is the minimum illumination level required for general industry workplaces?

• 2 foot-candles
• 5 foot-candles
• 10 foot-candles
• 20 foot-candles

Answer: B) 5 foot-candles

Explanation: OSHA requires a minimum of 5 foot-candles of illumination for most

general industry tasks.

Question 26 Under OSHA regulations, how frequently must employers review and update their written respiratory protection program?

• Annually
• Every 3 years
• Every 5 years
• Only when equipment changes

Answer: A) Annually

Explanation: Annual review ensures the program remains effective and

compliant.

Question 27 What is the required minimum distance for storage of flammable liquids from a source of ignition in a general industry workplace?

• 5 feet
• 10 feet
• 15 feet
• 20 feet

Answer: B) 10 feet

Explanation: OSHA requires a minimum distance of 10 feet or the use of proper

storage cabinets.

Question 28 According to OSHA, when is a written lockout/tagout program required?

• Only when hazardous energy sources are present
• Only for electrical equipment
• For all equipment where unexpected energization or startup can cause injury
• Only for equipment weighing over 50 pounds

Answer: C) For all equipment where unexpected energization or startup can

cause injury

Explanation: Lockout/tagout procedures apply to all hazardous energy sources

that could harm employees.

Question 29 What is the minimum required clearance for access to an electrical panel?

• 24 inches
• 30 inches
• 36 inches
• 42 inches

Answer: C) 36 inches

Explanation: OSHA requires 36 inches clear workspace in front of electrical panels for safe access.

Question 30 How often must fire protection equipment (e.g., sprinklers) be tested or inspected according to OSHA?

• Monthly
• Quarterly
• Annually
• According to NFPA standards or manufacturer’s recommendations

Answer: D) According to NFPA standards or manufacturer’s recommendations

Explanation: OSHA requires compliance with NFPA or manufacturers' standards

for fire protection systems.

Question 31 What is the maximum load capacity for scaffolds used in general industry?

• 2 times the intended load
• 3 times the intended load
• 4 times the intended load
• 5 times the intended load

Answer: B) 4 times the intended load

Explanation: OSHA requires scaffolds to support at least 4 times the maximum

intended load.

Question 32 When is the use of fall arrest systems required in general industry?

• When working at heights of 6 feet or more
• When working at heights of 4 feet or more
• Only when guardrails are absent
• Only for roofing work

Answer: B) When working at heights of 4 feet or more

Explanation: OSHA requires fall protection for general industry at 4 feet or more.

Question 33 Which of the following is NOT a required element of a hazard communication program?

• Inventory of hazardous chemicals
• Training for employees
• Written emergency response plan
• Labels and safety data sheets

Answer: C) Written emergency response plan

Explanation: While emergency plans are important, OSHA’s HCS requires an

inventory, labels, SDS, and training specifically.

Question 34 Under OSHA’s Bloodborne Pathogens standard, how often must employees receive training?

• Once at hiring only
• Annually
• Every 2 years
• Every 5 years

Answer: B) Annually

Explanation: OSHA requires annual training for employees exposed to

bloodborne pathogens.

Question 35 What is the maximum depth a floor opening can have without a cover or guardrail?

• 2 inches
• 4 inches
• 6 inches
• 8 inches

Answer: A) 2 inches

Explanation: OSHA requires floor openings more than 2 inches to be covered or

guarded.

Question 36 Which is the required action if a confined space atmosphere is found to contain 10% LEL (Lower Explosive Limit) of a flammable gas?

• Entry is permitted with respiratory protection only
• Entry is permitted with a fire extinguisher present
• Entry is prohibited until atmosphere is made safe (below 10% LEL)
• No restrictions apply

Answer: C) Entry is prohibited until atmosphere is made safe (below 10% LEL)

Explanation: OSHA requires flammable gas concentration below 10% LEL for safe

entry.

Question 37 How often must exit routes be maintained and kept free of obstructions?

• Monthly
• Quarterly
• Continuously
• Annually

Answer: C) Continuously

Explanation: Exit routes must be kept free of obstructions at all times.

Question 38 In a general industry workplace, how often must an employer conduct a fire extinguisher training session for employees?

• Annually
• Every 3 years
• Every 5 years
• When employees request it

Answer: A) Annually

Explanation: OSHA requires annual training on fire extinguisher use for

employees expected to use them.

Question 39 Which OSHA standard regulates the control of hazardous energy (lockout/tagout)?

A) 1910.147

B) 1910.134

C) 1910.1200

D) 1910.95

Answer: A) 1910.147

Explanation: Lockout/tagout procedures are detailed in OSHA standard 1910.147.

Question 40

What is the maximum travel distance allowed to a portable fire extinguisher in a general industry facility?

• 25 feet
• 50 feet
• 75 feet
• 100 feet

Answer: B) 75 feet

Explanation: OSHA requires portable fire extinguishers to be accessible within 75 feet of travel distance.

Question 41 Which type of respirator must be used when the concentration of a contaminant exceeds the OSHA ceiling limit?

• Powered air-purifying respirator (PAPR)
• Supplied-air respirator (SAR) or Self-contained breathing apparatus (SCBA)
• Dust mask
• Half-face respirator

Answer: B) Supplied-air respirator (SAR) or Self-contained breathing apparatus

(SCBA)

Explanation: These provide the highest level of respiratory protection.

Question 42 What is OSHA’s required minimum width for aisles in general industry workplaces?

• 18 inches
• 24 inches
• 28 inches
• 36 inches

Answer: B) 28 inches

Explanation: OSHA requires at least 28 inches clear width for aisles.

Question 43 What is the minimum size for safety belts used in fall protection systems?

• 1 inch wide
• 1.5 inches wide
• 2 inches wide
• 3 inches wide

Answer: B) 1.5 inches wide

Explanation: OSHA requires safety belts to be at least 1.5 inches wide.

Question 44 How often must employers inspect walking/working surfaces for hazards?

• Daily
• Weekly
• Monthly
• Regularly as needed to ensure safety

Answer: D) Regularly as needed to ensure safety

Explanation: OSHA expects frequent and regular inspections to maintain safety.

Question 45 According to OSHA, what is the minimum height of handrails on stairways?

• 24 inches
• 30 inches
• 34 inches
• 42 inches

Answer: C) 34 inches

Explanation: Handrails must be between 30 and 38 inches high; 34 inches is

typical.

Question 46 When an employee is exposed to asbestos, how long must the employer keep training and exposure records?

• 5 years
• 10 years
• 20 years
• Duration of employment plus 30 years

Answer: D) Duration of employment plus 30 years

Explanation: OSHA requires long-term retention of asbestos exposure records.

Question 47 What is the minimum depth a trench must be before a protective system is required?

• 2 feet
• 4 feet
• 5 feet
• 6 feet

Answer: B) 5 feet

Explanation: OSHA requires protective systems for trenches 5 feet or deeper.

Question 48 Which of the following is NOT a requirement for emergency action plans under OSHA?

• Procedures for reporting a fire or emergency
• Names and job titles of employees to contact in an emergency
• Specific evacuation routes and procedures
• Monthly emergency drills

Answer: D) Monthly emergency drills

Explanation: OSHA requires drills but does not mandate monthly frequency.

Question 49 What is the minimum clearance required between scaffolds and power lines?

• 5 feet
• 10 feet
• 15 feet
• 20 feet

Answer: B) 10 feet

Explanation: OSHA requires at least 10 feet clearance from power lines to

scaffolds.

Question 50 Which OSHA standard requires employers to provide access to employee exposure and medical records?

• Hazard Communication (1910.1200)
• Medical and Exposure Records (1910.1020)
• Bloodborne Pathogens (1910.1030)
• Respiratory Protection (1910.134)

Answer: B) Medical and Exposure Records (1910.1020)

Explanation: This standard protects employee access to their records.

Question 51 What is the minimum required width for an exit door in a general industry workplace?

• 20 inches
• 24 inches
• 28 inches
• 32 inches

Answer: B) 24 inches

Explanation: OSHA requires exit doors to have a minimum clear width of 24

inches.

Question 52 Which OSHA standard covers the requirements for machine guarding?

A) 1910.147

B) 1910.212

C) 1910.1200

D) 1910.134

Answer: B) 1910.212

Explanation: This standard details general requirements for machine guarding to

protect operators.

Question 53 How often must employers provide hazard communication training to employees?

• At initial assignment and whenever a new hazard is introduced
• Only at hiring
• Annually regardless of hazards
• Every two years

Answer: A) At initial assignment and whenever a new hazard is introduced

Explanation: Training must be provided initially and updated when new hazards

appear.

Question 54 According to OSHA, what is the maximum length for a fixed ladder?

• 12 feet
• 15 feet

• 20 feet
• 24 feet

Answer: C) 20 feet

Explanation: Fixed ladders longer than 20 feet require fall protection systems.

Question 55 What type of fire extinguisher should be used on electrical fires?

• Water-based
• Class A
• Class B
• Class C

Answer: D) Class C

Explanation: Class C extinguishers are rated for electrical fires.

Question 56 Which of the following is NOT considered hazardous energy under the lockout/tagout standard?

• Electrical energy
• Hydraulic energy
• Chemical energy
• Pneumatic energy

Answer: C) Chemical energy

Explanation: Hazardous energy includes electrical, mechanical, hydraulic,

pneumatic, but not chemical energy in this context.

Question 57 What is the minimum height for guardrails on walking/working surfaces?

• 30 inches
• 34 inches
• 36 inches
• 42 inches

Answer: D) 42 inches

Explanation: OSHA requires guardrails to be 42 inches (+/- 3 inches) high.

Question 58 When must employers notify OSHA of a workplace fatality?

• Within 4 hours
• Within 8 hours
• Within 24 hours
• Within 48 hours

Answer: B) Within 8 hours

Explanation: Employers must report fatalities within 8 hours of occurrence.

Question 59 How often must employers inspect portable fire extinguishers?

• Monthly
• Quarterly
• Annually
• Every 5 years

Answer: A) Monthly

Explanation: OSHA requires monthly visual inspections of portable fire

extinguishers.

Question 60 Which OSHA standard addresses the control of hazardous energy (lockout/tagout)?

A) 1910.1200

B) 1910.134

C) 1910.147

D) 1910.95

Answer: C) 1910.147

Explanation: This standard outlines lockout/tagout procedures.

Question 61 What is the minimum required capacity of a stairway handrail?

• 100 pounds
• 150 pounds
• 200 pounds
• 250 pounds

Answer: B) 200 pounds

Explanation: Handrails must withstand a force of at least 200 pounds applied in

any direction.

Question 62 What is OSHA’s PEL for airborne asbestos fibers?

• 0.1 fibers per cubic centimeter
• 1 fiber per cubic centimeter
• 5 fibers per cubic centimeter
• 10 fibers per cubic centimeter

Answer: A) 0.1 fibers per cubic centimeter

Explanation: OSHA’s PEL for asbestos is 0.1 fibers/cc as an 8-hour TWA.

Question 63 How far must fire extinguishers be placed from flammable liquid storage areas?

• 10 feet
• 15 feet
• 20 feet
• 25 feet

Answer: C) 20 feet

Explanation: Extinguishers should be located within 20 feet of flammable liquid

storage.

Question 64 What is the maximum allowable working distance for an employee using a ladder without fall protection?

• 6 feet
• 8 feet
• 10 feet
• 12 feet

Answer: A) 6 feet

Explanation: Fall protection is required for ladder work over 6 feet.

Question 65 Which of the following is required on all containers of hazardous chemicals in the workplace?

• Date of manufacture
• Hazard warning label
• Expiration date
• Cost of the chemical

Answer: B) Hazard warning label

Explanation: OSHA requires labels that identify hazards on chemical containers.

Question 66

Which of the following is NOT a requirement under OSHA’s Bloodborne Pathogens standard?

• Use of universal precautions
• Hepatitis B vaccination offer
• Annual medical exams for all employees
• Provision of personal protective equipment

Answer: C) Annual medical exams for all employees

Explanation: Medical evaluations are required only for exposed employees, not

annually for all.

Question 67 What is the minimum distance that compressed gas cylinders must be stored from combustible materials?

• 5 feet
• 10 feet
• 15 feet
• 20 feet

Answer: B) 20 feet

Explanation: OSHA requires gas cylinders to be stored at least 20 feet from

combustible materials or separated by a fire-resistant barrier.

Question 68 Which OSHA standard requires employers to provide training and information on hazardous chemicals?

A) 1910.1200

B) 1910.134

C) 1910.147

D) 1910.95

Answer: A) 1910.1200

Explanation: This is OSHA’s Hazard Communication Standard.

Question 69 Which of the following is the best method for controlling noise exposure in the workplace?

• Use of hearing protection devices
• Engineering controls to reduce noise at the source
• Administrative controls to limit exposure time
• All of the above

Answer: D) All of the above

Explanation: OSHA recommends a hierarchy of controls: engineering, administrative, and PPE.

Question 70 How often must employers provide training on hazard communication?

• At initial assignment and when new hazards are introduced
• Annually
• Every 5 years
• Only when employees request it

Answer: A) At initial assignment and when new hazards are introduced

Explanation: Training must be provided at hiring and when hazards change.

Question 71 What is the minimum distance that electrical equipment rooms must be kept clear from obstructions?

• 18 inches
• 24 inches
• 30 inches
• 36 inches

Answer: D) 36 inches

Explanation: OSHA requires at least 36 inches clearance in front of electrical

equipment.

Question 72 Which of the following is NOT covered by OSHA’s Hazard Communication Standard?

• Chemical manufacturers
• Importers and distributors
• Employers who produce hazardous chemicals for their own use
• Household consumers

Answer: D) Household consumers

Explanation: OSHA’s HCS applies to workplaces, not household use.

Question 73 How long must employers retain OSHA 300 logs?

• 3 years
• 5 years
• 7 years
• 10 years

Answer: B) 5 years

Explanation: OSHA requires retention of injury and illness records for 5 years.

Question 74 Which type of guardrail is required on scaffolds?

• Top rail only
• Midrail only
• Both top and midrails
• No guardrails needed on scaffolds

Answer: C) Both top and midrails

Explanation: OSHA requires scaffolds to have both top and midrails for fall

protection.

Question 75 What is the maximum allowable concentration of carbon monoxide (CO) in the workplace air over an 8-hour period?

• 20 ppm
• 25 ppm
• 35 ppm
• 50 ppm

Answer: B) 50 ppm

Explanation: OSHA PEL for CO is 50 ppm as an 8-hour TWA.

Question 76 When must an employer conduct air monitoring for hazardous substances?

• When employees show symptoms of exposure
• When exposure is suspected to exceed PEL or action level
• Only at the time of initial hire
• Whenever the employer wants

Answer: B) When exposure is suspected to exceed PEL or action level

Explanation: OSHA requires monitoring when exposures may exceed limits.

Question 77 What is the minimum size of exit signs required by OSHA?

• 3 inches tall letters
• 4 inches tall letters
• 6 inches tall letters
• 12 inches tall letters

Answer: A) 3 inches tall letters

Explanation: OSHA requires exit signs with letters at least 3 inches high.

Question 78 What is the minimum required frequency of inspection for electrical cords and plugs?

• Daily
• Weekly
• Monthly
• Annually

Answer: A) Daily

Explanation: OSHA requires daily inspections before use.

Question 79 What is the required distance for placing barricades around a hole in the floor?

• At least 6 feet around
• At least 8 feet around
• At least 10 feet around
• At least 12 feet around

Answer: A) At least 6 feet around

Explanation: Barricades should surround floor holes to prevent falls.

Question 80 Which of the following is NOT a requirement under OSHA’s Bloodborne Pathogens standard?

• Use of universal precautions
• Availability of handwashing facilities
• Provision of engineering controls
• Mandatory HIV testing for employees

Answer: D) Mandatory HIV testing for employees

Explanation: OSHA does NOT require mandatory HIV testing of employees.

Question 81 What is the minimum height that toeboards must be on elevated platforms to prevent objects from falling?

• 2 inches
• 3 inches
• 4 inches
• 6 inches

Answer: C) 4 inches

Explanation: OSHA requires toeboards to be at least 4 inches high to stop objects from falling.

Question 82 What type of respirator must be used when employees are exposed to hazardous atmospheres above the permissible exposure limits?

• Dust mask
• Air-purifying respirator
• Supplied-air respirator
• Surgical mask

Answer: C) Supplied-air respirator

Explanation: When exposure exceeds PEL, supplied-air respirators provide clean

air from an independent source.

Question 83 Which OSHA standard covers the use of personal protective equipment (PPE)?

A) 1910.132

B) 1910.1200

C) 1910.147

D) 1910.95

Answer: A) 1910.132

Explanation: This standard specifies general requirements for PPE.

Question 84 How far should flammable liquids be stored from ignition sources?

• At least 5 feet
• At least 10 feet
• At least 20 feet
• At least 50 feet

Answer: C) At least 20 feet

Explanation: OSHA requires flammable liquids to be stored at least 20 feet from

ignition sources or separated by fire barriers.

Question 85 What is the maximum allowable slope for a ramp used as an exit route?

A) 1:8

B) 1:10

C) 1:12

D) 1:15

Answer: C) 1:12

Explanation: OSHA requires ramps to not exceed a slope of 1 vertical to 12

horizontal.

Question 86 Which OSHA standard covers the use of forklifts in general industry?

A) 1910.178

B) 1910.147

C) 1910.95

D) 1910.120

Answer: A) 1910.178

Explanation: This standard regulates powered industrial trucks including forklifts.

Question 87 How often must employers provide hazard communication training?

• Once at hiring
• Annually
• At initial assignment and whenever a new hazard is introduced
• Every five years

Answer: C) At initial assignment and whenever a new hazard is introduced

Explanation: Training must be provided at initial assignment and when new

hazards are introduced.

Question 88 What is the maximum exposure limit for noise in an 8-hour time-weighted average according to OSHA?

• 80 dBA
• 85 dBA
• 90 dBA
• 95 dBA

Answer: B) 90 dBA

Explanation: OSHA’s permissible exposure limit (PEL) for noise is 90 decibels

averaged over 8 hours.

Question 89

Which of the following is required by OSHA’s Respiratory Protection Standard?

• Annual respirator fit testing
• Monthly respirator replacement
• Respirators must be replaced every 3 years
• Only voluntary use of respirators is allowed

Answer: A) Annual respirator fit testing

Explanation: Fit testing is required annually to ensure proper respirator seal.

Question 90 What is the maximum travel distance to an exit in a workplace without automatic sprinkler systems?

• 100 feet
• 150 feet
• 200 feet
• 250 feet

Answer: B) 150 feet

Explanation: OSHA requires exits to be within 150 feet travel distance unless the building is sprinklered.

Question 91 Which of the following best describes a confined space?

• An area with limited or restricted means of entry or exit
• Any workspace with electrical hazards
• An area that contains hazardous chemicals
• An office space with limited seating

Answer: A) An area with limited or restricted means of entry or exit

Explanation: OSHA defines confined spaces by restricted entry and exit, potential hazards.

Question 92 What is the minimum clearance required between scaffolding and power lines?

• 6 feet
• 8 feet
• 10 feet
• 12 feet

Answer: C) 10 feet

Explanation: OSHA requires scaffolding to be at least 10 feet from power lines.

Question 93 Which document must employers maintain to document employee exposure to hazardous chemicals?

A) MSDS/SDS

• OSHA 300 log
• Hazard assessment report
• Material disposal record

Answer: A) MSDS/SDS

Explanation: Safety Data Sheets provide chemical hazard information and must

be accessible.

Question 94 How often must employers inspect walking-working surfaces for hazards?

• Daily
• Weekly
• Monthly
• As needed and routinely

Answer: D) As needed and routinely

Explanation: Employers must regularly inspect to identify and correct hazards.

Question 95 What does OSHA require regarding emergency eyewash stations?

• Installed only where chemicals are used
• Located within 10 seconds travel distance
• Required only for large chemical spills
• Not required in general industry

Answer: B) Located within 10 seconds travel distance

Explanation: OSHA requires eyewash stations to be reachable within 10 seconds.

Question 96 Which OSHA standard applies to electrical safety-related work practices?

A) 1910.303

B) 1910.331

C) 1910.333

D) 1910.335

Answer: B) 1910.331

Explanation: This subpart covers qualifications and safety related to electrical work.

Question 97 What is the required minimum width for an aisle in general industry workplaces?

• 18 inches
• 24 inches
• 28 inches
• 36 inches

Answer: B) 28 inches

Explanation: OSHA requires aisles to be at least 28 inches wide for safe passage.

Question 98 Which of the following is NOT a requirement for lockout/tagout procedures?

• Verification of energy isolation
• Notification of affected employees
• Removal of locks by any employee
• Written procedures and training

Answer: C) Removal of locks by any employee

Explanation: Only the employee who applied the lock or authorized personnel

may remove it.

Question 99 Which hazard class is assigned to flammable gases under OSHA’s Hazard Communication Standard?

• Class 1
• Class 2
• Class 3
• Class 4

Answer: A) Class 1

Explanation: Flammable gases are classified as Class 1 hazards.

Question 100 What is the minimum depth that floor openings must be guarded by covers or railings?

• 1 inch
• 2 inches
• 4 inches
• 6 inches

Answer: B) 2 inches

Explanation: OSHA requires guarding floor openings greater than 2 inches in

depth.

Question 101 Which of the following is NOT considered a common form of electrical hazard?

• Shock
• Arc flash
• Static discharge
• Burn

Answer: C) Static discharge

Explanation: Static discharge is generally not considered an OSHA electrical

hazard.

Question 102 Which OSHA standard applies to walking and working surfaces?

A) 1910.21

B) 1910.22

C) 1910.23

D) 1910.24

Answer: B) 1910.22

Explanation: This standard covers requirements for walking-working surfaces.

Question 103 What is the OSHA permissible exposure limit (PEL) for respirable crystalline silica?

• 0.05 mg/m³
• 0.1 mg/m³
• 0.25 mg/m³
• 1.0 mg/m³

Answer: A) 0.05 mg/m³

Explanation: OSHA set the PEL for respirable crystalline silica at 0.05 mg/m³ as an 8-hour TWA.

Question 104 When must employers provide medical evaluations to employees required to use respirators?

• Only before initial fit testing
• At initial assignment and annually thereafter
• Only if the employee requests
• No medical evaluations are required

Answer: B) At initial assignment and annually thereafter

Explanation: Medical evaluations ensure employees can safely wear respirators.

Question 105 What is the maximum allowable angle for portable ladder setup from the base to the wall?

• 60 degrees
• 65 degrees
• 75 degrees
• 80 degrees

Answer: C) 75 degrees

Explanation: OSHA recommends a 4:1 ratio (one foot out for every four feet up), about 75 degrees.

Question 106 What is the minimum rating for fire extinguishers used in general industry workplaces?

A) 1-A

B) 2-A

C) 3-A

D) 4-A

Answer: A) 2-A

Explanation: OSHA requires portable fire extinguishers with a minimum rating of

2-A for Class A fires.

Question 107 How often must employers provide training on the use of PPE?

• Only at hiring
• Annually
• At initial assignment and when PPE changes
• Every 5 years

Answer: C) At initial assignment and when PPE changes

Explanation: Training is required at hiring and whenever PPE type or use changes.

Question 108 Which agency is responsible for enforcing OSHA standards?

A) EPA

B) NIOSH

C) OSHA

D) FDA

Answer: C) OSHA

Explanation: OSHA enforces occupational safety and health regulations.

Question 109 What is the maximum interval between inspections of cranes used in general industry?

• Daily
• Weekly
• Monthly
• Annually

Answer: D) Annually

Explanation: OSHA requires cranes to be inspected annually by a competent

person.

Question 110 How far should a workplace emergency action plan be communicated to employees?

• Only new hires
• Upon initial assignment and whenever the plan changes
• Only upon request
• Only after an emergency

Answer: B) Upon initial assignment and whenever the plan changes

Explanation: Employees must be informed about the plan when hired and when

changes occur.

Question 111 What is the minimum thickness for a guardrail to withstand the required force?

• 1/4 inch
• 1/2 inch
• 3/4 inch
• 1 inch

Answer: A) 1/4 inch

Explanation: Guardrails must be strong enough to withstand 200 pounds force,

with a minimum thickness of 1/4 inch for steel.

Question 112 Which of the following is NOT a requirement for walking surfaces?

• They must be kept clean
• They must be dry at all times
• They must be free of hazards
• They must be inspected regularly

Answer: B) They must be dry at all times

Explanation: Surfaces must be free of hazards, but cannot always be dry (e.g., wet conditions may exist); hazards must be controlled.

Question 113 Which type of lock must be used for lockout/tagout procedures?

• Any lock provided by the employer
• Locks that are standardized and only used for lockout
• Combination locks
• Any lock on hand

Answer: B) Locks that are standardized and only used for lockout

Explanation: Locks must be unique to lockout/tagout and identifiable.

Question 114 What is the minimum clearance required for storage of flammable liquids from exits?

• 10 feet
• 15 feet
• 20 feet
• 25 feet

Answer: C) 20 feet

Explanation: OSHA requires flammable liquid storage at least 20 feet from exits.

Question 115 What is the first step in performing a hazard assessment for PPE?

• Select the PPE
• Identify workplace hazards
• Train employees
• Purchase PPE

Answer: B) Identify workplace hazards

Explanation: Hazard assessment identifies the hazards before selecting PPE.

Question 116 What is the minimum required spacing between portable fire extinguishers in general industry workplaces?

• 30 feet
• 50 feet
• 75 feet
• 100 feet

Answer: B) 50 feet

Explanation: OSHA requires portable extinguishers to be placed so travel distance does not exceed 50 feet.

Question 117 What is the minimum age for an employee to operate powered industrial trucks?

• 16 years
• 18 years
• 21 years
• 25 years

Answer: B) 18 years

Explanation: OSHA requires operators to be at least 18 years old.

Question 118 Which OSHA standard covers walking and working surfaces including fall protection?

• 1910 Subpart D
• 1910 Subpart I
• 1910 Subpart L
• 1910 Subpart O

Answer: A) 1910 Subpart D

Explanation: Subpart D covers walking-working surfaces and fall protection.

Question 119 How long must employers retain employee exposure records?

• 10 years
• 20 years
• 30 years
• 40 years

Answer: B) 30 years

Explanation: OSHA requires exposure records to be retained for 30 years.

Question 120 What is the proper ratio for setting up a ladder?

A) 3:1

B) 4:1

C) 5:1

D) 6:1

Answer: B) 4:1 Explanation: The ladder base should be 1 foot away from the wall for every 4 feet of ladder height.