CHST Exam REVIEW Questions and Complete
Solutions
employer responsibilities regarding use of GFCI - ANSWER 1. delegate implementation to
'competent person'
2. 120V which operate at 15 to 20 amps, not permanent, equipe with GFCI
3. applies to all cord sets not part of permanent building struction
4.maintain written description of th eprovisions.
OSHA specification which apply to wire rope used in construction rigging - ANSWER -no more
than three tucks ina wire rope
-wire ropes used for hoisting or lowering be continuous length of rope without knot or splice
except for eye splices at the end
-eyes in wire rope slings or bridles not to be compromised of wire rope clips or knots
-no more than 10% visible broken wires
concerns of 'system safety analysis' - ANSWER analytical stufy of the interacting components of
a process.
'gas chromatography' - ANSWER -measure environmental toxins in the air
-separates and isolates components of a mixture of gases
-combine with mass spectometer
employee benefits of JSA - ANSWER -supervisor meets with employees
-train in productive and safe operations
-supervisor communicates and apply safety techniques
Footcandles for Gen Constr. concrete placement, excavation, loading platforms, refueling, field
maintenance areas - ANSWER 5
, Footcandles for Indoor warehouses, corridors, hallways, and exit ways - ANSWER 5
Footcandles for tunnels, shafts and general underground work areas - ANSWER 5
Footcandles for construction plant and shops, mechanical and electrical equipment rooms,
carpenter shops, rigging lofts and active storerooms - ANSWER 10
Footcandles for Underground operations involving work at a heading involving drilling,
mucking, and scaling - ANSWER 10
Footcandles for First-aid, stations, infirmaries, and offices - ANSWER 30
Permissible Noise Exposure for 8 hour day - ANSWER 90
Permissible Noise Exposure for 1/4 hour - ANSWER 115
Permissible Noise Exposure for 4 hours - ANSWER 95
Permissible Noise Exposure for 2 hours - ANSWER 100
CFR
10, 16, 23, 29, 40, 42, 49 - ANSWER 10-Energy
16-Consumer Protechtion
23-Highways
29-Construction
40-Environment
42-Public Health
Solutions
employer responsibilities regarding use of GFCI - ANSWER 1. delegate implementation to
'competent person'
2. 120V which operate at 15 to 20 amps, not permanent, equipe with GFCI
3. applies to all cord sets not part of permanent building struction
4.maintain written description of th eprovisions.
OSHA specification which apply to wire rope used in construction rigging - ANSWER -no more
than three tucks ina wire rope
-wire ropes used for hoisting or lowering be continuous length of rope without knot or splice
except for eye splices at the end
-eyes in wire rope slings or bridles not to be compromised of wire rope clips or knots
-no more than 10% visible broken wires
concerns of 'system safety analysis' - ANSWER analytical stufy of the interacting components of
a process.
'gas chromatography' - ANSWER -measure environmental toxins in the air
-separates and isolates components of a mixture of gases
-combine with mass spectometer
employee benefits of JSA - ANSWER -supervisor meets with employees
-train in productive and safe operations
-supervisor communicates and apply safety techniques
Footcandles for Gen Constr. concrete placement, excavation, loading platforms, refueling, field
maintenance areas - ANSWER 5
, Footcandles for Indoor warehouses, corridors, hallways, and exit ways - ANSWER 5
Footcandles for tunnels, shafts and general underground work areas - ANSWER 5
Footcandles for construction plant and shops, mechanical and electrical equipment rooms,
carpenter shops, rigging lofts and active storerooms - ANSWER 10
Footcandles for Underground operations involving work at a heading involving drilling,
mucking, and scaling - ANSWER 10
Footcandles for First-aid, stations, infirmaries, and offices - ANSWER 30
Permissible Noise Exposure for 8 hour day - ANSWER 90
Permissible Noise Exposure for 1/4 hour - ANSWER 115
Permissible Noise Exposure for 4 hours - ANSWER 95
Permissible Noise Exposure for 2 hours - ANSWER 100
CFR
10, 16, 23, 29, 40, 42, 49 - ANSWER 10-Energy
16-Consumer Protechtion
23-Highways
29-Construction
40-Environment
42-Public Health
