OSHA-10
OSHA 10 Final Exam Questions and Answers 2025
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.
OSHA-10
, OSHA-10
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
OSHA-10
OSHA 10 Final Exam Questions and Answers 2025
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.
OSHA-10
, OSHA-10
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
OSHA-10
