as Workplace Safety Fundamentals, Hazard
Recognition, Personal Protective Equipment (PPE),
Fire Prevention, Fall Protection, and Electrical
Safety
When two levels are a certain distance apart, employers have to provide a ladder
or stairway between them. What is that distance? ---------CORRECT ANSWER--------
---------19 inches or more
Under what conditions does your employer have to test for air hazards in a
trench? ---------CORRECT ANSWER-----------------When the excavation is deeper
than 4 feet
Your company is digging a 16-foot-deep trench. Does your employer need to call a
registered professional engineer? ---------CORRECT ANSWER-----------------No, they
aren't required for any trench less than 20 feet deep.
Which is a method to prevent cave-ins? ---------CORRECT ANSWER-----------------
Make the trench wider at the top than at the bottom.
,The competent person on the job site has let you know the soil you're working
with is Type C soil. What type of soil is this? ---------CORRECT ANSWER----------------
-It's loose or sandy, which means more safety measures are needed.
For excavations, a person is considered competent if they ... ---------CORRECT
ANSWER-----------------Have the authority to immediately correct hazards.
Which of the following conditions could lead to a cave-in? ---------CORRECT
ANSWER-----------------A piece of heavy equipment is working near the excavation
edge.
Why must a registered professional engineer design the safety systems for
trenches deeper than 20 feet? ---------CORRECT ANSWER-----------------Normal
safety measures aren't enough to prevent a cave-in.
How far away from the trench edge should materials, excess soil, and tools be
kept? ---------CORRECT ANSWER-----------------2 feet
To keep heavy loads from falling in, how high does a trench protection system
need to extend above a trench? ---------CORRECT ANSWER-----------------18 inches
,A competent person is responsible for which of the following? ---------CORRECT
ANSWER-----------------Classifying the soil
You and your team are trenching in solid rock. What type of protective system do
you need to install? ---------CORRECT ANSWER-----------------None
You've been installing sewer piping inside a trench, and a storm just passed
through. What should you do? ---------CORRECT ANSWER-----------------A
competent person should check the trench for hazards.
You notice that the bottom of the trench is cracking. What is this a sign of? ---------
CORRECT ANSWER-----------------A possible cave-in
Which area of a crane has the worst blind spot? ---------CORRECT ANSWER-----------
------Back right
Of the following, which causes the most crane failures? ---------CORRECT ANSWER-
----------------Overloading
A competent person is responsible for which type of inspection? ---------CORRECT
ANSWER-----------------Monthly
, What information does your employer need to use to decide how far to keep the
crane from power lines? ---------CORRECT ANSWER-----------------Voltage of the
powerlines
What should you do when operating a crane around power lines? ---------CORRECT
ANSWER-----------------Establish a work zone.
Which of the following must be kept on the crane? ---------CORRECT ANSWER-------
----------Manufacturer's instructions
Which system helps the crane operator avoid overloading the crane? ---------
CORRECT ANSWER-----------------Load moment indicator
What is the purpose of a counterweight? ---------CORRECT ANSWER-----------------It
stabilizes the crane so it can safely hoist heavy loads.
Which of the following is true about fall zones? ---------CORRECT ANSWER------------
-----Only workers involved in the lift are allowed in fall zones.