Code of Federal Regulations (OSHA) 29 CFR 1926 Questions and Answers Flashcards

The minimum distance between side rails for all portable ladders shall not be less than _______________ inches.

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
for employees.

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.

Toeboards, when used as falling object protection, shall be a minimum of _______________ inches in vertical height.

Scaffold fabricated planks and platforms shall be designed for a working load of _______________ pounds per square foot (psf), if considered light duty.

A scaffold designed for 75 pounds per square foot (psf) is classified as _______________

An extra-heavy-duty type 1A metal or plastic ladder shall sustain at least _______________ maximum intended load.

A bricklayer's square scaffold load shall not exceed _______________pounds per square feet.

OSHA requires an employer to provide a "training program" for each employee_______________

Cord sets and receptacles which are fixed and not exposed to damage shall be tested at intervals not exceeding _______________ months.

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.

Personnel hoistway doors or gates shall be not less than _______________ high.

The minimum illumination for indoor corridors during construction shall be _______________ foot-candles.

The span between hangers for plank-type platforms shall not exceed _______________ feet.

Bricklayers square scaffolds shall not exceed _______________ tiers in height.

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.

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.

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.

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.

The minimum illumination of general construction area lighting is _______________ foot-candles.

All new safety nets shall meet accepted performance standards of _______________

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.

If the personnel hoist wire rope speed is 300 feet per minute, the minimum rope safety factor must be_______________

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.

Stairs shall be installed between _______________ and _______________ degrees horizontal.

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.

Class II hazardous locations are those that are hazardous because of the presence of _______________

Combustible materials shall be piled with regard to the stability of the piles and in no case shall be higher than _______________ feet.

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.

The term "ROPS" means _______________

The maximum allowable slope for Type A soil for a simple slope in an excavation of 20 feet or less in depth is _______________

When employees are required to be in trenches of _______________
feet or more, an adequate means of egress such as a ladder, stairway or ramp shall be provided.

Openings are defined as a gap or void _______________

The top edge height of top rails, or equivalent guardrail system members, shall be _______________ inches.

The use of spiral stairways that will not be a permanent part of the structure on which construction work is being performed is _______________

One toilet shall be provided at the construction jobsite for a maximum of _______________ employees.

A Class C fire is a fire caused by

When materials are dropped more than _______________ enclosed chute shall be used.

Material shall not be stored indoors within _______________ feet outside the exterior walls of a building, an inches of a fire door opening.

Scaffold planking that is nominal two inches thick shall be used for a _______________ psf workload at a _______________ maximum span of _______________ feet.

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

Safety belt lanyards used for employee safeguarding shall have a minimum breaking strength of _______________ pounds.

The proper maintenance for a carbon dioxide type fire extinguisher is to

No more than _______________ gallons of flammable or combustible liquids shall be stored in a room outside of an approved storage cabinet.

Exposure to impulsive or impact noise shall not exceed _______________ dBA peak sound pressure level.

Simple slope-short-term excavations in Type A soil with a maximum depth of 12 feet shall have a maximum allowable slope of

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

Wire, synthetic or fiber rope used for scaffold suspension shall be capable of supporting at least _______________ times the rated load.

The proper maintenance for a multi-purpose ABC dry chemical stored pressure fire extinguisher is to

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.

The maximum span of 2" x 10" undressed lumber on a scaffold when loaded with 50 psf shall be _______________ feet.

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.

Potable drinking water, per OSHA, requires that

A safety belt lanyard shall provide for a fall not greater than _______________ feet.

The maximum allowable height of a horse scaffold shall be two tiers or _______________ feet.

When using carpenters' bracket scaffolds, the

When a material hoist tower is not enclosed, the hoist platform shall

Employees cannot be subjected to noise levels higher than _______________ dBA for more than four hours per day.

The range of maximum intended working loads for light to heavy-duty Independent Wood Pole Scaffolds shall be _______________ pounds per square foot (psf).

Safety nets shall be provided when workplaces are more than _______________ feet above the ground or water surface.

No more than _______________ employee(s) shall occupy any given eight feet of a form scaffold at any one time.

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

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.

Oxygen cylinders, regulators and hoses shall be

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

Employees shall not be exposed to noise levels exceeding _______________ dBA for more than eight hours a day.

A Class A fire consists of burning.

Portable electric lighting used in wet and/or other conductive locations shall be operated at _______________ volts or less.

_______________ shall not be used if the rope shows other signs of excessive wear, corrosion, or defect.

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.

Material stored inside building under construction shall not be placed within _______________ feet of any hoistway opening or inside floor openings.

Scaffold planks shall extend over the centerline of its supports at least _______________ inches and not more than _______________ inches.

A gap or void 2 inches or more in its least dimension in a floor, roof, or other walking/working surface is a

Safety and health regulation for construction, the minimum diameter wire ropes used in personnel hoists shall be _______________ inch.

An electric power circular saw shall be

For general cleaning operations, the compressed air shall be reduced to less than _________ psi.

For powder-actuated tools, fasteners shall be allowed to be driven into

Sloping or benching for excavation more than _______________ feet deep shall be designed by a registered professional engineer.

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.

Forms and shores in concrete shall not be removed until

When ropes are used to define controlled access zones, the rope shall have a minimum breaking strength of _______________ pounds.

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.

All the following are true concerning OSHA regulations about employees working over or near water except

_______________ shall be located and determined prior to opening an excavation.

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).

Storing masonry blocks in stacks higher than 6 feet shall be permissible provided that

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.

No employee shall be exposed to lead at concentrations greater than _______________ micrograms per cubic meter of air in an 8-hour period.

Training for Class II asbestos removal work requires hands-on training and shall take at least _______________ hours.

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.

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

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.

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.

Routine inspection of open excavations shall be conducted by a competent person

Haulage vehicles, whose payload is loaded by means of cranes, power shovels, loaders, or similar equipment, shall have

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.

Fuel gas and oxygen manifolds shall NOT be placed

The term "point of operation" refers to the

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.

The highest stack allowed when bricks are being stored shall be _______________ feet.

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.

The minimum illumination required for first aid stations shall be _______________ foot-candles.

A job site having 90 employees with temporary restrooms shall have a minimum of _______________ toilets and urinals.

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.

Not more than _______________ gallons of Category 4 flammable liquids shall be stored in any one storage cabinet.

A hand-held grinder with a 2-1/8" diameter wheel shall be equipped with only a

Each end of a scaffold platform, unless cleated or otherwise restrained, shall extend over the centerline
of its support at least _______________ inches.

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
otherwise restrained to prevent movement.

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.

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.

Shoring for concrete shall be designed by a

All masonry walls over _______________ feet in height shall be adequately braced to prevent overturning
and to prevent collapse unless the wall is adequately supported so that it will not overturn or collapse.

Self-supporting portable ladders shall be capable of supporting without failure at least _______________ times the maximum intended load.

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.

During asbestos removal, the asbestos disposal contractor shall erect _______________ foot/feet.

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.

A portable ladder that is NOT self-supporting must be capable of supports at least _______________ times the maximum intended load.

The common drinking cup is

Eye protection near dangerous working conditions

During construction, the minimum illumination required for an indoor warehouse shall be _______________ foot- candles.

When safety nets are required to be provided, such nets shall extend _______________ feet beyond the edge of the work's surface.

The mesh size of safety nets shall not exceed

When masonry blocks are stacked higher than _______________ feet, the stack shall be tapered back one-half block per tier above the six-foot level.

Lumber that is handled manually shall not be stacked more than _______________ feet high.

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.

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.

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.

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

A six-foot deep trench excavated in Type C soil shall have the sides sloped at a maximum of

A simple slope excavation with a depth of 10 feet and which will be open for 20 hours shall have a
maximum allowable slope of _______________ in Type A soil.

When Type C soil is excavated over Type A soil, Type A soil shall be excavated to a maximum slope of _______________ in layered soils.

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.

The maximum number of manually controlled jacks allowed for lift-slab construction operations shall be limited to _______________ on one slab.

The approximate angle of repose for sloping the sides of an excavation, less than 20' deep, in sand shall be

When excavating in the proximity of adjoining buildings, a general contractor shall _______________ safety and protection of workers.

When single post shores are tiered, they shall

When erecting systems-engineered metal buildings, during placing of rigid frame members, the load is not to be released from the hoisting equipment until

Prior to site layout, the contractor shall

Drawings or plans, including all revisions, for concrete formwork (including shoring equipment) shall
be available at the

Shoring for supported concrete slabs shall be removed only when the contractor

Where electrical transmission lines are energized and rated at least 50 kV or less, a minimum clearance distance of _______________ feet shall be maintained.

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.

_______________ require "point of operation guarding."

A _______________ scaffold has an adjustable platform mounted on an independent support frame and is equipped with a means to permit platform raising or lowering.

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.

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.

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.

The minimum plywood thickness required for an overhead protective covering above a material or personnel hoist cage is _______________ inch(es).

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.

The maximum intended load on a float or ship scaffold shall be _______________ lbs.

Which of the following is true about electric power-operated tools furnished by the contractor,

A _______________ is an accidental failure of a cross brace in an excavation.

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.

The minimum breaking strength for vertical lifelines used for fall protection shall bes _______________ pounds.

_______________ gauge U.S. standard wire is used for the screen between the toe boards and top rails of an approved guardrail system.

A ground fault circuit interrupter, GFCI, which is not a part of the permanent wiring of the building on a construction site, protects the_______________

rsonnel D. Wiring
157. The maximum opening size permitted in the 1/4" woven wire mesh, used as a rear canopy guard on rider-operated equipment, when used for site clearing shall be_______________ inch.

When a contractor discovers a piece of machinery on site which is not in compliance with OSHA requirements the contractor should

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?

Of the following, which is not a true statement per OSHA regulations?

According to OSHA, a hazardous atmosphere containing less than _______________ percent oxygen may exist in deep excavations.

Which of the following is a true statement concerning OSHA regulations?

Employers shall not issue or permit the use of unsafe hand tools. Which of the following tools is considered unsafe?

Powder-actuated tools shall be tested _______________ to insure proper working condition.

"Asbestos containing material" is any material that contains _______________ asbestos.

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

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.

In accordance with OSHA, the _______________ has the responsibility of being safe, conducting activities safely and in accordance with all applicable laws and rules.

The minimum number of sanitation facilities (chemical toilets) required for a 10-person mobile crew having transportation readily available to nearby toilet facilities is_______________

_______________ soil, which looks and feels damp, can easily be shaped into a ball and rolled into small diameter threads before crumbling.

Inspections of alloy steel chains when used for rigging equipment for material handling shall occur

Concrete mixers with _______________ or larger loading skips shall be equipped with guardrails installed on each side of the skip.

A dry chemical, sodium or potassium bicarbonate-based fire extinguisher operated by cartridge is ranked as a type _______________ extinguisher.

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.

A powder-operated tool shall be tested

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.

The maximum number of people that can use a ladder jack scaffold at the same time is

Guardrail systems shall be designed capable of withstanding a force of at least _______________ pounds.

Toeboards are required on scaffolding more than _______________ feet in height.

All pneumatically driven nailers provided with automatic fastener feed, which operate at more than 100 psi pressure at the tool shall have a

When using a hand-tool that is not grounded, the user should make sure the tool is

Each employee on a scaffold more than _______________ feet above a lower level must be protected from falling to that lower level.

Scaffolding cannot be moved with employees still on it unless the surface on which it is moving is within _______________ degrees of level.

Material chutes at an angle of more than 45° from the horizontal shall have openings not to exceed _______________ inches in height.

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).

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.

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.