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WorksheetsChapter 21 Scaffolds
Total questions: 10
Worksheet time: 5mins
Indicate the answer choice that best completes the statement or answers the question. The person the employer designates to direct the scaffold erection is called a ____.
foreman
supervisor
competent person
manager
Indicate the answer choice that best completes the statement or answers the question. The vertical members of scaffolds are called ____.
columns
studs
poles
supports
Indicate the answer choice that best completes the statement or answers the question. Manually propelled mobile scaffolds use wheels or ____ in the place of baseplates.
ramps
mud sills
casters
ladders
Indicate the answer choice that best completes the statement or answers the question. Brackets used on a roof of 4 on 12 slope are called ____.
roof jacks
pump jacks
non-slip jacks
roofing brackets
Indicate the answer choice that best completes the statement or answers the question. A scaffold with a ratio of a 4:1, height to narrow base, must be ____.
painted yellow to show it is narrow
made of steel
no higher than 15 feet
restrained from tipping
Indicate the answer choice that best completes the statement or answers the question. The main cause of fall accidents is ____.
tripping over something on the scaffold
equipment failure
being pushed off a scaffold
icy conditions
Indicate the answer choice that best completes the statement or answers the question. A scaffold that is attached to the building on one side and is supported by poles on the other side is called a ____.
single-pole scaffold
double-pole scaffold
leaning-tower scaffold
single-foot scaffold
Indicate the answer choice that best completes the statement or answers the question. Planks should extend past the bearer ____.
2 to 6 inches
4 to 8 inches
6 to 12 inches
8 to 16 inches
Indicate the answer choice that best completes the statement or answers the question. OSHA requires that a competent person inspect all scaffolds ____.
before every work shift
at least once a week
at least twice a month
whenever they have time
Indicate the answer choice that best completes the statement or answers the question. The diagonal members that stiffen the scaffold are called ____.
braces
ledgers
planks
scabs
