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Chapter 21 Scaffolds

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

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 ____.

a)

foreman

b)

supervisor

c)

competent person

d)

manager

2.

Indicate the answer choice that best completes the statement or answers the question. The vertical members of scaffolds are called ____.

a)

columns

b)

studs

c)

poles

d)

supports

3.

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.

a)

ramps

b)

mud sills

c)

casters

d)

ladders

4.

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 ____.

a)

roof jacks

b)

pump jacks

c)

non-slip jacks

d)

roofing brackets

5.

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 ____.

a)

painted yellow to show it is narrow

b)

made of steel

c)

no higher than 15 feet

d)

restrained from tipping

6.

Indicate the answer choice that best completes the statement or answers the question. The main cause of fall accidents is ____.

a)

tripping over something on the scaffold

b)

equipment failure

c)

being pushed off a scaffold

d)

icy conditions

7.

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 ____.

a)

single-pole scaffold

b)

double-pole scaffold

c)

leaning-tower scaffold

d)

single-foot scaffold

8.

Indicate the answer choice that best completes the statement or answers the question. Planks should extend past the bearer ____.

a)

2 to 6 inches

b)

4 to 8 inches

c)

6 to 12 inches

d)

8 to 16 inches

9.

Indicate the answer choice that best completes the statement or answers the question. OSHA requires that a competent person inspect all scaffolds ____.

a)

before every work shift

b)

at least once a week

c)

at least twice a month

d)

whenever they have time

10.

Indicate the answer choice that best completes the statement or answers the question. The diagonal members that stiffen the scaffold are called ____.

a)

braces

b)

ledgers

c)

planks

d)

scabs