CHST Exam Study Guide Questions With Solutions 100% Complete
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Course
CHST
Institution
CHST
CHST Exam Study Guide Questions With
Solutions 100% Complete
Is a trench considered an excavation? Yes
What is the distance a worker needs to maintain from power lines? 10ft
What does the severity of electric shock depend on? Path of current, amount of current,
duration of exposure
True or ...
CHST Exam Study Guide Questions With
Solutions 100% Complete
Is a trench considered an excavation? Yes
What is the distance a worker needs to maintain from power lines? 10ft
What does the severity of electric shock depend on? Path of current, amount of current,
duration of exposure
True or false: electrical current as low as 75 milliamps can cause death? True
What are some examples of surcharge loads? Spoils pile and equip being too close to
walls
What is the correct extension cord for construction? 3 wire type designed for hard or extra
hard use
True or false: Exposed metal parts of equipment should be grounded True
, CHST Exam Study Guide Questions With
Solutions 100% Complete
How does a gfci protect against electrical shock? Detects the difference in current
between the black and white wires
How can overloaded circuit hazards be controlled? Through the use of electrical
protective devices
What are some examples of electrical protective devices? Gfcis, fuses, circuit breakers
What is static electricity? An electric charge that cannot move
How wide must the platform of a scaffold be? 18 inches
The platform of a scaffold must be capable of supporting its weight and __________ times the
maximum load. Four
The ropes or wires used in suspension scaffolds must be capable of supporting ______ times the
load. Six
, CHST Exam Study Guide Questions With
Solutions 100% Complete
What should be used to restrain supported scaffold platforms from tipping? Guys, ties, or
braces
What is Fall Prevention? The process, equipment, and methods used to actually prevent a
fall from occurring.
What is fall protection? The process, equipment, and methods used to protect a worker
once a fall has occurred.
The top edge height of a guardrail should be _________ in. above the walking/working surface.
42 +/- 3
What are some common hazards associated with hot work? -Health hazards (air
contaminants from welding operations [iron oxide, zinc, beryllium, copper], burns, burns to the
eyes from flashes)
-Physical hazards (tripping from hoses)
-fires and explosions (igniting gases, improper storage)
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