CHST Exam 2027 with all Correct & 100% Verified
Answers |Actual Complete Update |Already Graded A+
(Just Released)
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
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
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.
The top edge height of a guardrail should be _________ in. above the walking/working surface.
✔Correct Answer-42 +/- 3
What are some common hazards associated with hot work? ✔Correct 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)
What are some controls for the hazards created when performing hot work? ✔Correct
Answer-Protect or remove fire hazards in the area, confine heat, sparks, and slag, fire
extinguishing equipment available, ventilation
What are some common electrical hazards? ✔Correct Answer-Exposed electrical parts,
overhead power lines, inadequate wiring, defective or damaged cords and wires, improper use
of flexible cords, improper grounding, overloaded circuits
What are some controls utilized for electrical hazards? ✔Correct Answer-Training, planning,
gfci's, fuses, circuit breakers, lockout tagout
What are some common hazards associated with excavations? ✔Correct Answer-Weight
(nearby vehicles/equipment), vibration, underground utilities, water and soil erosion.
What is a surcharge load? ✔Correct Answer-The spoils pile and the equipment being too
close to the vertical walls of the trench.
What are some common controls used to mitigate excavation hazards? ✔Correct Answer-
Sloping, shoring, shields, rpe designed protective systems, soil classification.
What are some common hazards associated with working at heights? ✔Correct Answer-
slipping, unsafe access, lack of fall protection, scaffold collapse, bad planking, unguarded edges,
What are some controls to mitigate hazards when working at heights? ✔Correct Answer-Fall
prevention equipment, guardrails, positioning device system, warning line systems, controlled
access zone, safety monitoring system, personal fall arrest system, safety net system
Answers |Actual Complete Update |Already Graded A+
(Just Released)
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
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
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.
The top edge height of a guardrail should be _________ in. above the walking/working surface.
✔Correct Answer-42 +/- 3
What are some common hazards associated with hot work? ✔Correct 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)
What are some controls for the hazards created when performing hot work? ✔Correct
Answer-Protect or remove fire hazards in the area, confine heat, sparks, and slag, fire
extinguishing equipment available, ventilation
What are some common electrical hazards? ✔Correct Answer-Exposed electrical parts,
overhead power lines, inadequate wiring, defective or damaged cords and wires, improper use
of flexible cords, improper grounding, overloaded circuits
What are some controls utilized for electrical hazards? ✔Correct Answer-Training, planning,
gfci's, fuses, circuit breakers, lockout tagout
What are some common hazards associated with excavations? ✔Correct Answer-Weight
(nearby vehicles/equipment), vibration, underground utilities, water and soil erosion.
What is a surcharge load? ✔Correct Answer-The spoils pile and the equipment being too
close to the vertical walls of the trench.
What are some common controls used to mitigate excavation hazards? ✔Correct Answer-
Sloping, shoring, shields, rpe designed protective systems, soil classification.
What are some common hazards associated with working at heights? ✔Correct Answer-
slipping, unsafe access, lack of fall protection, scaffold collapse, bad planking, unguarded edges,
What are some controls to mitigate hazards when working at heights? ✔Correct Answer-Fall
prevention equipment, guardrails, positioning device system, warning line systems, controlled
access zone, safety monitoring system, personal fall arrest system, safety net system
