OSHA Flashcards
: A contractor agrees with a subcontractor to divide job site responsibilities, such as providing safety programs, temporary sanitation facilities, etc. Is this legal?
This is legal, however, the contractor cannot be relieved of overall responsibility.
Who is responsible for providing safety training for employees?
The employer
Who is responsible for providing first aid services and provisions for medical care for employees?
The employer
Containers used for storing flammable waste shall be equipped with:
Covers
The common drinking cup is:
Always prohibited
What is the minimum number of urinals and toilet seats for 200 employees?
4
An employee is exposed to a noise decibel level of: 110 db for ¼ hour, 100 db for ½ hours and 90 db for 1 ½ hours. The equivalent noise exposure:
Does not exceed unity, the exposure is within permissible limits
Exposure to impulsive or impact noise should not exceed how many decibels peak sound pressure level?
140 decibels
The minimum illumination in active general construction storage areas is:
3 foot-candles
The contractor has which responsibility in relation to hard hats?
He must require their use and supply them
Eye protection near dangerous working conditions:
Is required at the employer’s cost
A safety belt lanyard shall be a minimum of ½ inch nylon and a maximum length to provide for a fall of:
No greater than 6 feet
Safety belt lanyards shall be:
A minimum of ½” nylon
Safety nets shall extend how far beyond the edge of the work surface.
8’ Feet
Which extinguisher will extinguish a Class B fire?
Foam, carbon dioxide, dry chemical
What type of extinguisher will not extinguish a Class A fire?
Sodium
No more than how many gallons of flammable liquids shall be stored in a room outside of an approved storage cabinet?
25 gallons
Room heaters are considered to be temporary heating devices, and as such, they should have a minimum side clearance, rear clearance, and chimney clearances of many inches?
12” side, 12” rear and 18” chimney clearance
Temporary heaters shall be located a minimum of how many feet from combustible tarpaulins?
10 Feet
Material stored inside buildings under construction shall not be placed within how many feet of an exterior wall.
10 Feet
Loose brick stacks shall not be more than how many feet in height?
7’ Feet
When masonry blocks are stacked higher than how many feet, the stack shall be tapered back one-half block per tier above the top level?
6’ Feet
What should be done with used lumber before it is stacked?
Remove nails
Lumber piles shall not exceed how many feet in height when handled manually?
16’ Feet
Lumber piles shall not exceed what height if stacked with equipment?
20’ Feet
Rigging for equipment handling shall be inspected prior to use on each shift and as necessary during its use to ensure that it is safe. Defective rigging equipment shall be:
Removed from service
Whenever materials are dropped to any point lying outside the exterior walls of the building, an enclosed chute of wood, or equivalent material, shall be used if the distance is more than how many feet?
20’ Feet
When debris is dropped through holes in the floor without the use of chutes, the area onto which the material is dropped shall be completely enclosed with barricades not less than 42 inches high and not less than how many feet back from the projected edge of the opening above?
6’ Feet
Hand held power tools must have:
A positive “on-off” control
Electric hand tools shall be either grounded or:
Double insulated
The use of electrical cords for hoisting or lowering shall the tool:
Not be permitted
Pneumatic tools must have a safety mechanism that will not allow firing of more than how many psi?
100 psi.
The maximum compressed air pressure that should be used for cleaning purposes is:
30 psi
Employees must have proper training in the operation of a powder actuated tool before:
They shall be allowed to operate it
All portable, power driven circular saws shall be equipped with:
Guards above and below the base plate
Abrasive wheels used for grinding shall be equipped:
With safety guards or protection hoods
Cylinders shall be moved by:
Tilting and rolling them on their bottom edges
When gas cylinders are frozen, how are valves and protection caps loosened?
Use warm water to thaw cylinders loose
Unless gas cylinders are firmly secured on a special carrier intended for this purpose:
Regulators shall be removed and valve protection caps installed
Compressed gas cylinders shall be secured:
In an upright position
Oxygen cylinders shall be kept away from what substances as per OSHA?
Fuel-gas cylinders or combustible materials
When a special wrench is required to open a fuel gas cylinder, you shall:
Leave the wrench in position on the stem for emergency shut-off
Whenever practical, all arc welding and cutting operations shall be:
Shielded by noncombustible screens
A welder is lowered through a small opening on a lifeline. How is he protected?
An attendant with a pre-planned rescue procedure shall be stationed outside to observe the welder and be capable of putting rescue operations into effect
What is the MINIMUM difference between work levels without protected sides or edges that require a fall protection system?
6’ Feet
Each employee who is constructing a leading edge shall be protected from falling when the distance to the lower level is:
6 feet or more
Employees shall be protected from falling through holes in working surfaces when the working surface is how far above the lower level?
6 feet or more
Each employee on the face of formwork should be protected from falling with each of the following except:
Guard rail systems
Employees at the edge of an excavation shall be protected from falling by guardrail systems, fences, or barricades when the excavations are not readily seen because of plant growth or other visual barrier when the depth of the excavation is:
6’ or more
Employees having to reach below the level of the working surface must be protected from falling if the distance to reach is over:
10” Inches
Roofers working on low slope roofs:
Must be protected from falling
Roofers working on steep slope roofs:
Must be protected from falling
The top edge height of a guardrail system shall be:
42”, plus or minus 3 “
When screens and mesh are used with guardrails, they shall:
Extend from the top guardrail to the walking surface
Balusters used in guardrail systems shall not be more than how many inches apart?
19” Inches
Top rails of guardrails shall be at least what diameter?
1/4” inch
If wire rope is used for top rails of guardrails, at what intervals shall it be flagged?
Not more than 6 feet
When the vertical distance from the working level to the level below is over 10 feet, the safety net shall extend outward from the outermost projection a minimum of how many feet?
13’ Feet
What is the correct way to test a safety net used for fall protection?
Drop test with a 400 lb bag from the highest walking surface
Connections between safety net panels shall be as strong as the integral net components and shall be spaced not more than:
6” inches apart
The safety factor for horizontal lifelines shall be a minimum of:
2
What is the location of the attachment point of a body harness?
In the center of the back, near shoulder level