CHST EXAM
CHST EXAM STUDY GUIDE QUESTIONS AND ANSWERS
Is a trench considered an excavation? - correct answer Yes
What is the distance a worker needs to maintain from
power lines? - correct answer 10ft
What does the severity of electric shock depend on? -
correct answer Path of current, amount of current, duration of
exposure
True or false: electrical current as low as 75 milliamps can
cause death? - correct answer True
What are some examples of surcharge loads? - correct answer
Spoils pile and equip being too close to walls
,CHST EXAM
What is the correct extension cord for construction? - correct
answer 3 wire type designed for hard or extra hard use
True or false: Exposed metal parts of equipment should
be grounded - correct answer True
How does a gfci protect against electrical shock? - correct
answer Detects the difference in current between the black
and white wires
How can overloaded circuit hazards be controlled? - correct
answer Through the use of electrical protective devices
What are some examples of electrical protective devices?
- correct answer Gfcis, fuses, circuit breakers
What is static electricity? - correct answer An electric charge
that cannot move
, CHST EXAM
How wide must the platform of a scaffold be? - correct answer
18 inches
The platform of a scaffold must be capable of supporting
its weight and __________ times the maximum load. -
correct answer Four
The ropes or wires used in suspension scaffolds must be
capable of supporting ______ times the load. - correct answer
Six
What should be used to restrain supported scaffold
platforms from tipping? - correct answer Guys, ties, or braces
What is Fall Prevention? - correct answer The process,
equipment, and methods used to actually prevent a fall
from occurring.
What is fall protection? - correct answer The process,
equipment, and methods used to protect a worker once a
fall has occurred.
CHST EXAM STUDY GUIDE QUESTIONS AND ANSWERS
Is a trench considered an excavation? - correct answer Yes
What is the distance a worker needs to maintain from
power lines? - correct answer 10ft
What does the severity of electric shock depend on? -
correct answer Path of current, amount of current, duration of
exposure
True or false: electrical current as low as 75 milliamps can
cause death? - correct answer True
What are some examples of surcharge loads? - correct answer
Spoils pile and equip being too close to walls
,CHST EXAM
What is the correct extension cord for construction? - correct
answer 3 wire type designed for hard or extra hard use
True or false: Exposed metal parts of equipment should
be grounded - correct answer True
How does a gfci protect against electrical shock? - correct
answer Detects the difference in current between the black
and white wires
How can overloaded circuit hazards be controlled? - correct
answer Through the use of electrical protective devices
What are some examples of electrical protective devices?
- correct answer Gfcis, fuses, circuit breakers
What is static electricity? - correct answer An electric charge
that cannot move
, CHST EXAM
How wide must the platform of a scaffold be? - correct answer
18 inches
The platform of a scaffold must be capable of supporting
its weight and __________ times the maximum load. -
correct answer Four
The ropes or wires used in suspension scaffolds must be
capable of supporting ______ times the load. - correct answer
Six
What should be used to restrain supported scaffold
platforms from tipping? - correct answer Guys, ties, or braces
What is Fall Prevention? - correct answer The process,
equipment, and methods used to actually prevent a fall
from occurring.
What is fall protection? - correct answer The process,
equipment, and methods used to protect a worker once a
fall has occurred.
