STSC Exam Study Guide Latest Update 2025- 2026 160 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: tool rest within 1/8 inch of the grinding wheel, and 1/4 inch of the wheel
A break in elevation of ______ requires that either steps, ramps, or ladders must be
provided - CORRECT ANSWER: 19 inches
A certified Safety Trained Supervisor is expected to... - CORRECT ANSWER: seek
methods to improve your knowledge and understanding of methods, techniques and practices for protection of workers. STS Code of ethics
A container for gasoline should be: - CORRECT ANSWER: Metal with UL specified non- spill cap
A crew member deliberately violates a safety procedure. What should be done? -
CORRECT ANSWER: Stop work, write formal complaint and explain
A CSP and licensed professional engineer asks a supervisor to informally review a series of fall protection plans for a warehouse construction project. The supervisor has adequately reviewed these types of plans for years, although without an engineering degree or formal fall protection system design education. Which statement most represents a reasonable interpretation of the STS Code of Ethics? - CORRECT
ANSWER: The STS Code of Ethics permits STSs to engage in work when they are
qualified by experience in the specific technical fields involved, as well as by education.
A guardrail system's MAJOR components include? - CORRECT ANSWER: Top rails,
mid rails, toe boards 1 / 3
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 aka (PLHCP) physician or other 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 respirator with filter, cartridge, or canister element that removes specific air
contaminants is termed - CORRECT ANSWER: An air-purifying respirator
A safety inspector observes the back of a rough terrain forklift tip is a heavy load is being lifted on a job site. The best course of action is... - CORRECT ANSWER: do not continue with this lift
A skin cancer caused by sunlight exposure is call - CORRECT ANSWER: Melanoma
A standard railing shall consist of top rail, intermediate rail, and posts, and shall have a vertical height of ______ inches nominal from upper surface of top rail to floor, platform,
runway, or ramp level - CORRECT ANSWER: 42
A supervisor's company has hired a new worker who was qualified as a powered truck operator at her previous company. What is the training required to get this person qualified as a power truck operator in the company? - CORRECT ANSWER: Ensure the operator has knowledge and skills required to operate power trucks, including company's procedures
A team member working outside in 32F cold weather. You see the person fall from a 12- foot step ladder and is lying unconscious. After sending someone for help, which best
describes the BEST course of action? - CORRECT ANSWER: Do not move the injured
person; check if the injured worker is breathing and assess for other injuries.
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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 (and lens)
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
Accident analysis is PRIMARILY used as a(n)? - CORRECT ANSWER: Indicator of
problem areas
Accident costs such as loss in earning 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
All instruction manuals & operating procedure books for new equipment has been read by the STS. Upon completion of reading what should be done with them? - CORRECT
ANSWER: Communicate the information to the affected workers
All lanyards and vertical lifelines have a minimum breaking strength of _______ pounds
per worker - CORRECT ANSWER: 5000 pounds
All the following are required on a confined space permit EXCEPT (permit space to be entered, purpose of entry, name of CEO, date and the authorized duration of the entry
permit) - CORRECT ANSWER: The name of the CEO or President
An employee without eye protection, is observed installing parts at a bench. This is not a hazardous operation, but it is a posted "eye protection" area. Which of the following is
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