1.
Which of the
following shall guard every stairway floor opening?
Correct Answer
A. A standard railing constructed in accordance with the standards.
Explanation
A standard railing constructed in accordance with the standards shall guard every stairway floor opening because it provides a physical barrier that prevents people from accidentally falling through the opening. It is designed to meet safety standards and ensure the protection of individuals using the stairs.
2.
Which of the
following is true of portable stepladders?
Correct Answer
C. They must always be yellow in color.
Explanation
Portable stepladders must always be yellow in color. This is likely because yellow is a highly visible color, making it easier for people to see and avoid the ladder, reducing the risk of accidents. Additionally, yellow is often associated with caution and warning, further emphasizing the need for safety when using a stepladder.
3.
Which of the
following is true of scaffolds?
Correct Answer
D. All of the above.
Explanation
The correct answer is "All of the above." This means that all of the statements provided in the options are true for scaffolds. An access ladder or equivalent must be provided for workers to safely access the scaffold. Overhead protection is necessary to protect workers from any hazards above them. Additionally, tools, materials, and debris should not accumulate in quantities that could pose a hazard to workers on the scaffold.
4.
Stairway railings are
required on every flight of stairs having:
Correct Answer
B. 4 or more risers.
Explanation
Stairway railings are required on every flight of stairs with 4 or more risers. This means that if a set of stairs has 4, 5, 6, or more risers, it must have a railing for safety purposes. The railing provides support and stability for individuals using the stairs, reducing the risk of accidents and falls.
5.
A standard railing
consists of a top rail approximately _____ inches high, an intermediate rail,
and posts.
Correct Answer
C. 42
Explanation
A standard railing consists of a top rail approximately 42 inches high, an intermediate rail, and posts. This height is typically recommended for safety reasons, as it provides a sufficient barrier to prevent falls or accidents. The intermediate rail and posts are also important components of the railing system, providing additional support and stability.
6.
With few exceptions,
every open-sided floor or platform ______ feet or more above the adjacent level
must be guarded by a standard railing.
Correct Answer
B. 4
Explanation
An open-sided floor or platform that is 4 feet or more above the adjacent level must be guarded by a standard railing. This is to ensure the safety of individuals by preventing them from accidentally falling off the edge. The railing acts as a barrier and provides a physical barrier to prevent accidents and injuries.
7.
What should be the
first step in reducing trips and falls in any workplace?
Correct Answer
A. Good housekeeping
Explanation
Good housekeeping is the first step in reducing trips and falls in any workplace. This involves keeping the workplace clean, organized, and free from hazards such as clutter, spills, and obstacles. By maintaining good housekeeping practices, employees can prevent accidents and injuries caused by slips, trips, and falls. Regular cleaning, proper storage of materials, and clear pathways contribute to a safe working environment. Installing more light curtains, implementing fines for not cleaning up workstations, or using a round-robin system may not directly address the root cause of trips and falls, which is poor housekeeping.
8.
Why are toe boards
required in addition to guardrails in many industrial situations?
Correct Answer
A. To prevent objects from falling onto workers below.
Explanation
Toe boards are required in addition to guardrails in many industrial situations to prevent objects from falling onto workers below. This is because toe boards serve as a physical barrier that blocks the edge of the surface, preventing any objects from accidentally rolling or falling off. By providing this extra layer of protection, toe boards help to ensure the safety of workers by minimizing the risk of objects causing injury or damage when working at heights.