CHST REVIEW QUESTIONS AND ANSWERS (GRADED A+)

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 ain 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 49-Transportation Fire Class A-B-C-D-K - ANSWER-A-Ordinary sold combustibles (ash) B-Flammable liquids (barrel) C-Energized electrical equip (current) D-Combustible metals K-Oils and