STSC Practice ExamLatest Update 2025-2026 250 Questions and 100% Verified Correct Answers Guaranteed A+
A bench grinder should have the tool rest adjusted to within _____ inch of the wheel, and the tongue guard should be adjusted to within _____ inch of the wheel. -
CORRECT ANSWER: 1/8 inch - 1/4 inch
A break in elevation of _____ requires that either steps, ramps, or ladders must be
provided. - CORRECT ANSWER: 19 inches
A container for gasoline should be: - CORRECT ANSWER: Metal with UL specified non- spill cap
A contractor has proposed several options for developing and complying with safety and health procedures while reviewing a bid for a large construction job. Which of the following will produce the most effective safety and health interface? - CORRECT
ANSWER: The sub-contractor should develop their own procedures with assistance
from general contractor
A crew member deliberately violates a safety procedure. What should be done? -
CORRECT ANSWER: Stop work, write formal complaint and explain
A group of managers, supervisors are reviewing the emergency planning and response, communications and procedures were tested, but no equipment was mobilized nor hands on performed. This type of experience is called a: - CORRECT ANSWER: Table top
A guardrail systems' major components include? - CORRECT ANSWER: All of the
above (Top rail, mid rail, toe boards, screens)
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A key factor for implementing a good Safety Program involves: - CORRECT ANSWER: Getting foreman and supervisors involved
A ladder must extend above the working surface: - CORRECT ANSWER: 1 meter (3 feet)
A major cause of fatal crane fatalities is? - CORRECT ANSWER: Electrocution
A medical questionnaire required when safety workers place an employee in respiratory
protection must be evaluated by whom? - CORRECT ANSWER: A licensed health care
professional
A modern management approach to the success of a long-term safety management
system is known as? - CORRECT ANSWER: Team-based
A pipe of hazardous materials ruptures 20 feet from the supervisor's crew. The work is being done by a different contractor. The supervisor should: - CORRECT ANSWER: Evacuate and standby until informed it is safe to re-enter work area
A safety can is defined as: - CORRECT ANSWER: An approved container of 5 gallons or less with a spring-closed lid, spout cover and flame arresting screen
A safety inspector observes the back of a rough terrain forklift tip as a heavy load is being lifted on a job site. Which is the proper course of action? - CORRECT ANSWER: Do not continue with this lift
A skin cancer caused by sunlight exposure is called? - CORRECT ANSWER: Melanoma
A worker arrives at work with his own sunglasses stating they are "safe enough", Supervisor should look for: - CORRECT ANSWER: Markings for ANSI Z87 on frame
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A worker arrives on site with own PPE. Who is responsible to ensure the PPE is
appropriate for the job? - CORRECT ANSWER: Employer
A worker complains of feeling ill after an unknown layer of coating was found during a grinding operation. The supervisor should: - CORRECT ANSWER: Stop work until the coating can be identified
A worker reports that a ladder has a split up the side: - CORRECT ANSWER: Take out of service, tag it, and inform crew not to use
Accident analysis is primarily used as a(n)? - CORRECT ANSWER: Indicator for
problem areas
Accident costs such as loss in earing power, loss of time by supervision, damage to tools and equipment, and cost of training a new worker are also called? - CORRECT
ANSWER: Indirect costs
According to OSHA at what depths must a trench be provided with means of egress
such as a stairway, ladder, ramp etc.? - CORRECT ANSWER: 4 feet or more
According to OSHA, all guardrail systems shall be capable of withstanding, without failure, a force of at least _____ pounds applied within 2 inches (5.1 cm) of the top edge, in any outward or downward direction, at any point along the top edge. -
CORRECT ANSWER: 200
After a trench evacuation for a hazardous condition, who can determine work is safe to
resume? - CORRECT ANSWER: Qualified and competent person
After an accident the first priority is taking care of any injured persons. What should be
the next priority? - CORRECT ANSWER: Secure the area
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