CHST UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS COMPLETE STUDY
GUIDE
●● What is the distance a worker needs to maintain from power lines?
Answer: 10ft
●● What does the severity of electric shock depend on?
Answer: Path of current, amount of current, duration of exposure
●● True or false: electrical current as low as 75 milliamps can cause
death?
Answer: True
●● What are some examples of surcharge loads?
Answer: Spoils pile and equip being too close to walls
●● What is the correct extension cord for construction?
Answer: 3 wire type designed for hard or extra hard use
●● True or false: Exposed metal parts of equipment should be grounded
Answer: True
,●● How does a gfci protect against electrical shock?
Answer: Detects the difference in current between the black and white
wires
●● How can overloaded circuit hazards be controlled?
Answer: Through the use of electrical protective devices
●● What are some examples of electrical protective devices?
Answer: Gfcis, fuses, circuit breakers
●● What is static electricity?
Answer: An electric charge that cannot move
●● How wide must the platform of a scaffold be?
Answer: 18 inches
●● The platform of a scaffold must be capable of supporting its weight
and __________ times the maximum load.
Answer: Four
●● The ropes or wires used in suspension scaffolds must be capable of
supporting ______ times the load.
, Answer: Six
●● What should be used to restrain supported scaffold platforms from
tipping?
Answer: Guys, ties, or braces
●● What is Fall Prevention?
Answer: The process, equipment, and methods used to actually prevent a
fall from occurring.
●● What is fall protection?
Answer: 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.
Answer: 42 +/- 3
●● What are some common hazards associated with hot work?
Answer: -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)
CORRECT ANSWERS COMPLETE STUDY
GUIDE
●● What is the distance a worker needs to maintain from power lines?
Answer: 10ft
●● What does the severity of electric shock depend on?
Answer: Path of current, amount of current, duration of exposure
●● True or false: electrical current as low as 75 milliamps can cause
death?
Answer: True
●● What are some examples of surcharge loads?
Answer: Spoils pile and equip being too close to walls
●● What is the correct extension cord for construction?
Answer: 3 wire type designed for hard or extra hard use
●● True or false: Exposed metal parts of equipment should be grounded
Answer: True
,●● How does a gfci protect against electrical shock?
Answer: Detects the difference in current between the black and white
wires
●● How can overloaded circuit hazards be controlled?
Answer: Through the use of electrical protective devices
●● What are some examples of electrical protective devices?
Answer: Gfcis, fuses, circuit breakers
●● What is static electricity?
Answer: An electric charge that cannot move
●● How wide must the platform of a scaffold be?
Answer: 18 inches
●● The platform of a scaffold must be capable of supporting its weight
and __________ times the maximum load.
Answer: Four
●● The ropes or wires used in suspension scaffolds must be capable of
supporting ______ times the load.
, Answer: Six
●● What should be used to restrain supported scaffold platforms from
tipping?
Answer: Guys, ties, or braces
●● What is Fall Prevention?
Answer: The process, equipment, and methods used to actually prevent a
fall from occurring.
●● What is fall protection?
Answer: 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.
Answer: 42 +/- 3
●● What are some common hazards associated with hot work?
Answer: -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)
