CHST Final Exam Review Questions and Answers With Verified Solutions 2025
employer responsibilities regarding use of GFCI - ✔✔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 - ✔✔-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' - ✔✔analytical stufy of the interacting components of a process.
'gas chromatography' - ✔✔-measure environmental toxins in the air
-separates and isolates components of a mixture of gases
-combine with mass spectometer
employee benefits of JSA - ✔✔-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 - ✔✔5
Footcandles for Indoor warehouses, corridors, hallways, and exit ways - ✔✔5
Footcandles for tunnels, shafts and general underground work areas - ✔✔5
, Footcandles for construction plant and shops, mechanical and electrical equipment rooms, carpenter
shops, rigging lofts and active storerooms - ✔✔10
Footcandles for Underground operations involving work at a heading involving drilling, mucking, and
scaling - ✔✔10
Footcandles for First-aid, stations, infirmaries, and offices - ✔✔30
Permissible Noise Exposure for 8 hour day - ✔✔90
Permissible Noise Exposure for 1/4 hour - ✔✔115
Permissible Noise Exposure for 4 hours - ✔✔95
Permissible Noise Exposure for 2 hours - ✔✔100
CFR
10, 16, 23, 29, 40, 42, 49 - ✔✔10-Energy
16-Consumer Protechtion
23-Highways
29-Construction
40-Environment
42-Public Health
49-Transportation
Fire Class
A-B-C-D-K - ✔✔A-Ordinary sold combustibles (ash)
B-Flammable liquids (barrel)
employer responsibilities regarding use of GFCI - ✔✔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 - ✔✔-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' - ✔✔analytical stufy of the interacting components of a process.
'gas chromatography' - ✔✔-measure environmental toxins in the air
-separates and isolates components of a mixture of gases
-combine with mass spectometer
employee benefits of JSA - ✔✔-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 - ✔✔5
Footcandles for Indoor warehouses, corridors, hallways, and exit ways - ✔✔5
Footcandles for tunnels, shafts and general underground work areas - ✔✔5
, Footcandles for construction plant and shops, mechanical and electrical equipment rooms, carpenter
shops, rigging lofts and active storerooms - ✔✔10
Footcandles for Underground operations involving work at a heading involving drilling, mucking, and
scaling - ✔✔10
Footcandles for First-aid, stations, infirmaries, and offices - ✔✔30
Permissible Noise Exposure for 8 hour day - ✔✔90
Permissible Noise Exposure for 1/4 hour - ✔✔115
Permissible Noise Exposure for 4 hours - ✔✔95
Permissible Noise Exposure for 2 hours - ✔✔100
CFR
10, 16, 23, 29, 40, 42, 49 - ✔✔10-Energy
16-Consumer Protechtion
23-Highways
29-Construction
40-Environment
42-Public Health
49-Transportation
Fire Class
A-B-C-D-K - ✔✔A-Ordinary sold combustibles (ash)
B-Flammable liquids (barrel)
