front 1 The minimum distance between side rails for all portable ladders shall not be less than _______________ inches. | back 1 11 1⁄2 |
front 2 A stairway, ladder, ramp or other safe means of egress shall be
located in trench excavations that are _______________ feet or more in
depth so as to require no more than _______________ feet of lateral
travel | back 2 4; 25 |
front 3 Stairways that will not be a permanent part of the structure on which construction work is being performed shall have landings of not less than _______________ inches in the direction of travel. | back 3 30 |
front 4 Toeboards, when used as falling object protection, shall be a minimum of _______________ inches in vertical height. | back 4 3 1⁄2 |
front 5 Scaffold fabricated planks and platforms shall be designed for a working load of _______________ pounds per square foot (psf), if considered light duty. | back 5 25 |
front 6 A scaffold designed for 75 pounds per square foot (psf) is classified as _______________ | back 6 Heavy-duty |
front 7 An extra-heavy-duty type 1A metal or plastic ladder shall sustain at least _______________ maximum intended load. | back 7 3.3 |
front 8 A bricklayer's square scaffold load shall not exceed _______________pounds per square feet. | back 8 50 |
front 9 OSHA requires an employer to provide a "training program" for each employee_______________ | back 9 Using ladders and stairways |
front 10 Cord sets and receptacles which are fixed and not exposed to damage shall be tested at intervals not exceeding _______________ months. | back 10 6 |
front 11 When portable ladders are used for access to an upper landing surface, the ladder side rails shall extend at least _______________ feet above the upper landing surface to which the ladder is used to gain access. | back 11 3 |
front 12 Personnel hoistway doors or gates shall be not less than _______________ high. | back 12 6 feet 6 inches |
front 13 The minimum illumination for indoor corridors during construction shall be _______________ foot-candles. | back 13 5 |
front 14 The span between hangers for plank-type platforms shall not exceed _______________ feet. | back 14 10 |
front 15 Bricklayers square scaffolds shall not exceed _______________ tiers in height. | back 15 3 |
front 16 Where toeboards are used for falling object protection, the toeboard shall be capable of withstanding, without failure, a force of at least _______________ pounds applied in any downward or horizontal direction. | back 16 50 |
front 17 Fixed ladders without cages or wells shall have a clear width to the nearest permanent object of at least _______________ inches on each side of the centerline of the ladder. | back 17 15 |
front 18 Rungs, cleats and steps of portable ladders (except for special applications such as stepstools) shall be spaced not less than _______________ inches apart, nor more than _______________ inches. | back 18 10; 14 |
front 19 Wire rope shall not be used for material handling if in any length of _______________ diameter(s) the total number of visible broken wires exceeds 10% of the total number of wires. | back 19 A. 12 B. 18 C. 10 D. 8 |
front 20 The minimum illumination of general construction area lighting is _______________ foot-candles. | back 20 5 |
front 21 All new safety nets shall meet accepted performance standards of _______________ | back 21 17,500 foot-pounds minimum impact resistance B. 24,000 foot-pounds minimum impact resistance |
front 22 The contents of the first aid kit shall be placed in a weatherproof container with individual sealed packages for each type of item, and shall be checked by the employer before being sent out on each job and at least _______________ on each job to ensure that the expended items are replaced. | back 22 Weekly |
front 23 If the personnel hoist wire rope speed is 300 feet per minute, the minimum rope safety factor must be_______________ | back 23 9.20 |
front 24 The use of non-self-supporting ladders shall be at such an angle that the horizontal distance from the top support to the foot of the ladder is approximately _______________ of the working length of the ladder. | back 24 One-quarter |
front 25 Stairs shall be installed between _______________ and _______________ degrees horizontal. | back 25 30; 50 |
front 26 Each employee on walking/working surfaces shall be protected from falling through holes, including skylights, by covers capable of supporting, without failure _______________ that may be imposed on the cover at any one time. | back 26 At least twice the weight of employees, equipment and materials |
front 27 Class II hazardous locations are those that are hazardous because of the presence of _______________ | back 27 Combustible dust |
front 28 Combustible materials shall be piled with regard to the stability of the piles and in no case shall be higher than _______________ feet. | back 28 20 |
front 29 OSHA requires that for a structural steel assembly, at no time shall there be more than _______________ feet or _______________ floors, whichever is less, of unfinished bolting or welding above the foundation. | back 29 48; 4 |
front 30 The term "ROPS" means _______________ | back 30 Rollover Protective Structures |
front 31 The maximum allowable slope for Type A soil for a simple slope in an excavation of 20 feet or less in depth is _______________ | back 31 3⁄4 : 1 |
front 32 When employees are required to be in trenches of _______________
| back 32 4 |
front 33 Openings are defined as a gap or void _______________ | back 33 30 inches or more high and 18 inches or more wide in a wall |
front 34 The top edge height of top rails, or equivalent guardrail system members, shall be _______________ inches. | back 34 42 |
front 35 The use of spiral stairways that will not be a permanent part of the structure on which construction work is being performed is _______________ | back 35 Prohibited |
front 36 One toilet shall be provided at the construction jobsite for a maximum of _______________ employees. | back 36 20 |
front 37 A Class C fire is a fire caused by | back 37 Electrical equipment |
front 38 When materials are dropped more than _______________ enclosed chute shall be used. | back 38 20 |
front 39 Material shall not be stored indoors within _______________ feet outside the exterior walls of a building, an inches of a fire door opening. | back 39 36 |
front 40 Scaffold planking that is nominal two inches thick shall be used for a _______________ psf workload at a _______________ maximum span of _______________ feet. | back 40 25; 8 |
front 41 OSHA requires that a safety factor based on load and speed be used in hoist cables. The safety factor for a cable with a speed of 200 feet per minute is | back 41 8.60 |
front 42 Safety belt lanyards used for employee safeguarding shall have a minimum breaking strength of _______________ pounds. | back 42 5,400 |
front 43 The proper maintenance for a carbon dioxide type fire extinguisher is to | back 43 Weigh semi-annually |
front 44 No more than _______________ gallons of flammable or combustible liquids shall be stored in a room outside of an approved storage cabinet. | back 44 25 |
front 45 Exposure to impulsive or impact noise shall not exceed _______________ dBA peak sound pressure level. | back 45 140 |
front 46 Simple slope-short-term excavations in Type A soil with a maximum depth of 12 feet shall have a maximum allowable slope of | back 46 1⁄2: 1 |
front 47 The ratio of the ultimate breaking strength of a piece of material or equipment to the actual working stress when in use is known as the | back 47 Safety factor |
front 48 Wire, synthetic or fiber rope used for scaffold suspension shall be capable of supporting at least _______________ times the rated load. | back 48 6 |
front 49 The proper maintenance for a multi-purpose ABC dry chemical stored pressure fire extinguisher is to | back 49 Check pressure gauge and condition of dry chemical annually |
front 50 Metal tubular frame scaffolds, including components such as braces, brackets, trusses, screws legs, ladders, etc. shall be designed, constructed and erected to safely support its own weight and at least _______________ times the maximum intended load applied. | back 50 4 |
front 51 The maximum span of 2" x 10" undressed lumber on a scaffold when loaded with 50 psf shall be _______________ feet. | back 51 8 |
front 52 On construction sites, a fire extinguisher rated not less than 2A shall be provided for each _______________ square feet of the protected building area, or major fraction thereof. | back 52 3,000 |
front 53 Potable drinking water, per OSHA, requires that | back 53 If a container is used it shall be equipped with a tap |
front 54 A safety belt lanyard shall provide for a fall not greater than _______________ feet. | back 54 6 |
front 55 The maximum allowable height of a horse scaffold shall be two tiers or _______________ feet. | back 55 10 |
front 56 When using carpenters' bracket scaffolds, the | back 56
|
front 57 When a material hoist tower is not enclosed, the hoist platform shall | back 57 Be caged on all sides |
front 58 Employees cannot be subjected to noise levels higher than _______________ dBA for more than four hours per day. | back 58 95 |
front 59 The range of maximum intended working loads for light to heavy-duty Independent Wood Pole Scaffolds shall be _______________ pounds per square foot (psf). | back 59 25-75 |
front 60 Safety nets shall be provided when workplaces are more than _______________ feet above the ground or water surface. | back 60 25 |
front 61 No more than _______________ employee(s) shall occupy any given eight feet of a form scaffold at any one time. | back 61 2 |
front 62 Given the following: 1 1⁄2 hours noise exposure at 90 dBA 1⁄2 hour noise exposure at 100 dBA 1/4 hour noise exposure at 110 dBA If your employees are exposed to all of the above noise levels each workday, the "Equivalent Noise Exposure Factor | back 62 Does not exceed unity, therefore the noise exposure is within permissible limits |
front 63 A fire breaks out in a main electrical junction box at a construction site, an electrician is close by and asks you to get a fire extinguisher. According to OSHA, you should bring back a _______________ extinguisher. | back 63 CO2 |
front 64 Oxygen cylinders, regulators and hoses shall be | back 64 Kept away from oil or grease |
front 65 A female employee complains that there are not separate toilets for the 20 women working on the site. She further states that all 160 employees use the same toilet. She said that the contractor is not complying with OSHA. According to the text, the employee | back 65 Does not have a valid complaint since OSHA has no specific instructions as to male and female toilets. The project is only required to have four toilets and four urinals |
front 66 Employees shall not be exposed to noise levels exceeding _______________ dBA for more than eight hours a day. | back 66 90 |
front 67 A Class A fire consists of burning. | back 67 Wood |
front 68 Portable electric lighting used in wet and/or other conductive locations shall be operated at _______________ volts or less. | back 68 12 |
front 69 _______________ shall not be used if the rope shows other signs of excessive wear, corrosion, or defect. | back 69 Wire rope |
front 70 According to OSHA, a sign lettered in legible red letters, not less than 6 inches high on a white field is used only as a/an _______________ sign. | back 70 Exit |
front 71 Material stored inside building under construction shall not be placed within _______________ feet of any hoistway opening or inside floor openings. | back 71 6 |
front 72 Scaffold planks shall extend over the centerline of its supports at least _______________ inches and not more than _______________ inches. | back 72 6; 12 |
front 73 A gap or void 2 inches or more in its least dimension in a floor, roof, or other walking/working surface is a | back 73 Hole |
front 74 Safety and health regulation for construction, the minimum diameter wire ropes used in personnel hoists shall be _______________ inch. | back 74 1⁄2 |
front 75 An electric power circular saw shall be | back 75 Equipped with constant pressure switch |
front 76 For general cleaning operations, the compressed air shall be reduced to less than _________ psi. | back 76 30 |
front 77 For powder-actuated tools, fasteners shall be allowed to be driven into | back 77 None of the above |
front 78 Sloping or benching for excavation more than _______________ feet deep shall be designed by a registered professional engineer. | back 78 20 |
front 79 Stairway railings shall be capable of withstanding a minimum force of _______________ pounds applied in any downward or outward direction at any point along the top edge. | back 79 200 |
front 80 Forms and shores in concrete shall not be removed until | back 80 The concrete has gained sufficient strength to support its weight and superimposed loads |
front 81 When ropes are used to define controlled access zones, the rope shall have a minimum breaking strength of _______________ pounds. | back 81 200 |
front 82 Excavations 8' or less in depth in Type A soil that have unsupported, vertically sided lower portions, shall have a maximum vertical side of _______________ feet. | back 82 3.5 |
front 83 All the following are true concerning OSHA regulations about employees working over or near water except | back 83 At least one person certified in lifesaving swimming courses shall be employed at all times |
front 84 _______________ shall be located and determined prior to opening an excavation. | back 84 Underground installations |
front 85 The maximum intended load for a frame scaffold including its components is 1,000 pounds. The scaffold as described shall be designed to support a minimum of _______________ ton(s). | back 85 2.0 |
front 86 Storing masonry blocks in stacks higher than 6 feet shall be permissible provided that | back 86 The stack is tapered back one-half block per tier above the 6-foot level |
front 87 When hazardous waste cleanup and removal operations at any site take longer than _______________ months to complete, the employer shall provide showers and changing rooms for employees exposed to such conditions. | back 87 6 |
front 88 No employee shall be exposed to lead at concentrations greater than _______________ micrograms per cubic meter of air in an 8-hour period. | back 88 50 |
front 89 Training for Class II asbestos removal work requires hands-on training and shall take at least _______________ hours. | back 89 8 |
front 90 Where oxygen deficiency (atmospheres containing less than 19.5 percent oxygen) or a hazardous atmosphere exists or could reasonably be expected to exist, such as in excavations in landfill areas or excavations in areas where hazardous substances are stored nearby, excavations deeper than _______________ feet shall be tested before employees are allowed enter the excavation site. | back 90 4 |
front 91 Whenever a masonry wall is being constructed, a limited access zone shall be established. The access zone shall run the entire length of the wall, on the side of the wall that is not scaffolded and extend to the height of the wall to be | back 91 Reconstructed plus four feet |
front 92 An employer shall ensure that no employee is exposed to an airborne concentration of asbestos in excess of _______________ fiber(s) per cubic centimeter of air as averaged over a 30-minute sampling period. | back 92 1.0 |
front 93 A wire core manila rope is used as a lifeline where it may be subjected to cutting or abrasion. The required minimum size of the rope shall be _______________ inch. | back 93 7/8 |
front 94 Routine inspection of open excavations shall be conducted by a competent person | back 94 Daily |
front 95 Haulage vehicles, whose payload is loaded by means of cranes, power shovels, loaders, or similar equipment, shall have | back 95 A cab shield and/or canopy adequate to protect the operator from shifting or falling materials |
front 96 When removing hazardous waste materials, personal protection equipment is divided into four categories based upon protection required. _______________ has the highest level of respiratory protection but a lesser level of skin protection. | back 96 Level B |
front 97 Fuel gas and oxygen manifolds shall NOT be placed | back 97 They shall not be located within enclosed areas |
front 98 The term "point of operation" refers to the | back 98 Area on a machine where work is actually performed\ |
front 99 For excavation made in Type C soil, the minimum, above the top of the vertical side, that the support shield systems at the vertically sided lower portion of an excavation be shielded or supported shall be _______________ inches. | back 99 18 |
front 100 The highest stack allowed when bricks are being stored shall be _______________ feet. | back 100 7 |
front 101 Employees shall be provided with anti-laser eye protection devices when working in areas in which a potential exposure to reflected laser light is greater than _______________ milliwatts. | back 101 5 |
front 102 The minimum illumination required for first aid stations shall be _______________ foot-candles. | back 102 30 |
front 103 A job site having 90 employees with temporary restrooms shall have a minimum of _______________ toilets and urinals. | back 103 Three toilets and three urinals |
front 104 Employees shall be protected from excavated or other materials or equipment that could pose a hazard by falling or rolling into excavations. The minimum distance required from the edge of excavations for placing and keeping such materials or equipment is _______________ feet. | back 104 2 |
front 105 Not more than _______________ gallons of Category 4 flammable liquids shall be stored in any one storage cabinet. | back 105 120 |
front 106 A hand-held grinder with a 2-1/8" diameter wheel shall be equipped with only a | back 106 Momentary contact on/off switch |
front 107 Each end of a scaffold platform, unless cleated or otherwise
restrained, shall extend over the centerline | back 107 6 |
front 108 Where scaffold platforms are overlapped to create a long platform,
platforms shall be secured from movement or overlapped at least
_______________ inches unless the platforms are nailed together
or | back 108 12 |
front 109 When lifting concrete slabs, operation of jacks shall be synchronized in such a manner as to insure even and uniform lifting of the slab. All points of the slab support shall be kept level within _______________ inches. | back 109 1/2 |
front 110 A "Controlled Access Zone" is implemented to protect employees from access to an area where the erection of precast concrete members is being performed. The control lines in a "Controlled Access Zone" shall be erected not more than _______________ feet from the unprotected or leading edge or half of the length of the member being erected, whichever is less. | back 110 60 |
front 111 Shoring for concrete shall be designed by a | back 111 Qualified designer |
front 112 All masonry walls over _______________ feet in height shall be
adequately braced to prevent overturning | back 112 8 |
front 113 Self-supporting portable ladders shall be capable of supporting without failure at least _______________ times the maximum intended load. | back 113 4 |
front 114 A non-self-supporting ladder has a working length of 20'. According to OSHA, the horizontal distance from the top support to the foot of the ladder is approximately_______________ decontamination area. | back 114 5 |
front 115 During asbestos removal, the asbestos disposal contractor shall erect _______________ foot/feet. | back 115 3 |
front 116 All pneumatic nailers, staplers and other similar equipment provided with automatic fastener feed shall have a safety device to prevent the tool from ejecting fasteners when operation pressures exceed _______________ psi. | back 116 100 |
front 117 A portable ladder that is NOT self-supporting must be capable of supports at least _______________ times the maximum intended load. | back 117 4 |
front 118 The common drinking cup is | back 118 Prohibited |
front 119 Eye protection near dangerous working conditions | back 119 Is required at the employer's cost |
front 120 During construction, the minimum illumination required for an indoor warehouse shall be _______________ foot- candles. | back 120 5 |
front 121 When safety nets are required to be provided, such nets shall extend _______________ feet beyond the edge of the work's surface. | back 121 8 |
front 122 The mesh size of safety nets shall not exceed | back 122 6" x 6" |
front 123 When masonry blocks are stacked higher than _______________ feet, the stack shall be tapered back one-half block per tier above the six-foot level. | back 123 6 |
front 124 Lumber that is handled manually shall not be stacked more than _______________ feet high. | back 124 16 |
front 125 The components of a scaffold loaded with 500 pounds shall be capable of supporting its own weight and a load of at least ton(s) without failure. | back 125 1 |
front 126 All site clearing equipment shall be equipped with an overhead and rear canopy guard of at least 1/8" steel plate or _______________ inch woven wire mesh with openings no greater than one inch, or equivalent. | back 126 1/4 |
front 127 Where doors or gates open directly on a stairway, a platform shall be provided, and the swing of the door shall not reduce the effective width of the platform to less than _______________ inches. | back 127 20 |
front 128 Cohesive soil packed with an unconfined compressive strength of less than 1.5 tons per square foot but greater than .5 tons per square foot is defined as | back 128 Туре В |
front 129 A six-foot deep trench excavated in Type C soil shall have the sides sloped at a maximum of | back 129 1 1⁄2 : 1 |
front 130 A simple slope excavation with a depth of 10 feet and which will be
open for 20 hours shall have a | back 130 1⁄2 : 1 |
front 131 When Type C soil is excavated over Type A soil, Type A soil shall be excavated to a maximum slope of _______________ in layered soils. | back 131 3⁄4 : 1 |
front 132 Lifting inserts that are embedded, or otherwise attached to precast concrete members, other than the tilt-up members, shall be capable of supporting at least _______________ times the intended maximum load. | back 132 4 |
front 133 The maximum number of manually controlled jacks allowed for lift-slab construction operations shall be limited to _______________ on one slab. | back 133 14 |
front 134 The approximate angle of repose for sloping the sides of an excavation, less than 20' deep, in sand shall be | back 134 34° |
front 135 When excavating in the proximity of adjoining buildings, a general contractor shall _______________ safety and protection of workers. | back 135 Provide adequate shoring and bracing systems |
front 136 When single post shores are tiered, they shall | back 136 Be vertically aligned |
front 137 When erecting systems-engineered metal buildings, during placing of rigid frame members, the load is not to be released from the hoisting equipment until | back 137 The members are secured with not less than 50% of the required bolts at each connection |
front 138 Prior to site layout, the contractor shall | back 138 Locate surface encumbrances that may pose a hazard to employees |
front 139 Drawings or plans, including all revisions, for concrete formwork
(including shoring equipment) shall | back 139 Jobsite |
front 140 Shoring for supported concrete slabs shall be removed only when the contractor | back 140 Determines that the concrete has gained sufficient strength to support its weight and superimposed loads |
front 141 Where electrical transmission lines are energized and rated at least 50 kV or less, a minimum clearance distance of _______________ feet shall be maintained. | back 141 10 |
front 142 When debris is dropped through a hole in the floor without the use of chute, the drop area shall be enclosed with barricades measuring a minimum of _______________ inches. | back 142 42 |
front 143 _______________ require "point of operation guarding." | back 143 Guillotine cutters |
front 144 A _______________ scaffold has an adjustable platform mounted on an independent support frame and is equipped with a means to permit platform raising or lowering. | back 144 Masons' adjustable supported |
front 145 At more than _______________ feet above a lower level, the tubular welded frame scaffolding shall have approved guardrails and toe boards at all open sides and ends. | back 145 10 |
front 146 A minimum of _______________ bolts shall be in place at each structural steel beam connection during final placing of solid web members before the load is released. | back 146 Two |
front 147 The maximum allowable height, without being retrained from tipping, for a free-standing mobile scaffold tower that has a base width of 4 feet is _______________ feet. | back 147 16 |
front 148 The minimum plywood thickness required for an overhead protective covering above a material or personnel hoist cage is _______________ inch(es). | back 148 3⁄4 |
front 149 The maximum permissible span for a 2" x 9" full thickness undressed lumber scaffold plank, when used for a light duty rated load is _______________ feet. | back 149 10 |
front 150 The maximum intended load on a float or ship scaffold shall be _______________ lbs. | back 150 750 |
front 151 Which of the following is true about electric power-operated tools furnished by the contractor, | back 151 Each tool shall be double insulated or grounded |
front 152 A _______________ is an accidental failure of a cross brace in an excavation. | back 152 Kickout |
front 153 The maximum permissible span for 1 4 x 9-inch full thickness wood plank having a maximum intended load of 50 pounds per square foot is _______________ feet. | back 153 4 |
front 154 The minimum breaking strength for vertical lifelines used for fall protection shall bes _______________ pounds. | back 154 5,000 |
front 155 _______________ gauge U.S. standard wire is used for the screen between the toe boards and top rails of an approved guardrail system. | back 155 No. 18 |
front 156 A ground fault circuit interrupter, GFCI, which is not a part of the permanent wiring of the building on a construction site, protects the_______________ | back 156 Personnel |
front 157 rsonnel D. Wiring | back 157 1 |
front 158 When a contractor discovers a piece of machinery on site which is not in compliance with OSHA requirements the contractor should | back 158 Physically remove the machinery from the site |
front 159 A general contractor is building an apartment building with two exterior balconies. The general contractor and the carpentry subcontractor sign an agreement where the carpentry subcontractors will provide all temporary railings. There are 3 other subcontractors and their employees working on the site, using the balconies, when an OSHA inspector arrived and found the railing to be inadequate and unsafe. Which of the following represents the most likely outcome of this inspection visit? | back 159 The general contractor and all subcontractors on site will be fined the full amount |
front 160 Of the following, which is not a true statement per OSHA regulations? | back 160 Jobsite first-aid kits shall be checked by the employer daily |
front 161 According to OSHA, a hazardous atmosphere containing less than _______________ percent oxygen may exist in deep excavations. | back 161 19.5 |
front 162 Which of the following is a true statement concerning OSHA regulations? | back 162 Manually stacked lumber piles shall not be more than 16 feet in height |
front 163 Employers shall not issue or permit the use of unsafe hand tools. Which of the following tools is considered unsafe? | back 163
|
front 164 Powder-actuated tools shall be tested _______________ to insure proper working condition. | back 164 A. Every hour of each day in use |
front 165 "Asbestos containing material" is any material that contains _______________ asbestos. | back 165 More than one percent |
front 166 Guarding for use with belts, gears, shafts, pulleys, drums, fly wheels or other power operated tools with reciprocating, rotating or moving parts should meet the requirements of | back 166 American National Standards Institute |
front 167 In excavations where a trench shield system is installed, the maximum depth of earth material that can be excavated below the bottom of the shield is _______________ inches. | back 167 Not more than 24 |
front 168 In accordance with OSHA, the _______________ has the responsibility of being safe, conducting activities safely and in accordance with all applicable laws and rules. | back 168 Employer |
front 169 The minimum number of sanitation facilities (chemical toilets) required for a 10-person mobile crew having transportation readily available to nearby toilet facilities is_______________ | back 169 Zero |
front 170 _______________ soil, which looks and feels damp, can easily be shaped into a ball and rolled into small diameter threads before crumbling. | back 170 Moist |
front 171 Inspections of alloy steel chains when used for rigging equipment for material handling shall occur | back 171 Annually |
front 172 Concrete mixers with _______________ or larger loading skips shall be equipped with guardrails installed on each side of the skip. | back 172 One cubic yard |
front 173 A dry chemical, sodium or potassium bicarbonate-based fire extinguisher operated by cartridge is ranked as a type _______________ extinguisher. | back 173 B and C only |
front 174 When using control lines to demarcate controlled decking zones, non-mandatory guidelines require that each line be rigged and supported in such a way that its highest point is not more than _______________ inches from the working surface. | back 174 45 |
front 175 A powder-operated tool shall be tested | back 175 Each day before loading |
front 176 A room used for storage of more than 60 gallons of flammable or combustible liquids shall have at least one portable fire extinguisher, having a rating of not less than 20-B units, shall be located outside of, but nor more thane _______________ feet from the door opening into the room. | back 176 7 |
front 177 The maximum number of people that can use a ladder jack scaffold at the same time is | back 177 2 |
front 178 Guardrail systems shall be designed capable of withstanding a force of at least _______________ pounds. | back 178 200 |
front 179 Toeboards are required on scaffolding more than _______________ feet in height. | back 179 10 |
front 180 All pneumatically driven nailers provided with automatic fastener feed, which operate at more than 100 psi pressure at the tool shall have a | back 180 Safety device installed at the muzzle |
front 181 When using a hand-tool that is not grounded, the user should make sure the tool is | back 181 Double insulated |
front 182 Each employee on a scaffold more than _______________ feet above a lower level must be protected from falling to that lower level. | back 182 10 |
front 183 Scaffolding cannot be moved with employees still on it unless the surface on which it is moving is within _______________ degrees of level. | back 183 3 |
front 184 Material chutes at an angle of more than 45° from the horizontal shall have openings not to exceed _______________ inches in height. | back 184 48 |
front 185 When it is not practical to use nails to secure roof bracket scaffolds, brackets shall be secured in place with first-grade manila rope of at least _______________ inch(es). | back 185 3⁄4 |
front 186 The warning line erected around all sides of the roof work area shall not be less than _______________ feet from the roof edge when mechanical equipment is not being used. | back 186 6 |
front 187 On low-sloped roofs of _______________ feet or less in width, the use of a safety monitoring system alone as a means of providing fall protection during roofing operation is permitted. | back 187 50 |