Deck 11: Scaffolds, Ladders, and Sawhorses

Question 1

When fully loaded with personnel, tools, and material, the wood plank used to make a scaffold platform must never deflect more than 1/60th of its ____.

A) span
B) height
C) width
D) cribbing length

Answer 1

A

Question 2

Scaffolds and scaffold parts should be visually inspected five times.

Answer 2

True

Question 3

The rungs of a metal scaffolding may sometimes serve as an access ladder.

Answer 3

True

Question 4

In a metal scaffold, cross braces may be used as a means of access or egress.

Question 5

Ladders may be built on a jobsite when no ladders are available.

Question 6

You should never work above the second step from the top of a stepladder.

Question 7

According to the U.S. Occupational Safety and Health Administration (OSHA), employers are required to have a ____ to supervise and direct scaffold erection.

A) municipal inspector
B) competent person
C) project manager
D) state overseer

Question 8

Workers must know the capacity of scaffolds they are erecting and using.

Question 9

The capacity of the top horizontal member of a scaffold's end frame, called the ____, may never be exceeded.

A) bearer
B) gooser brace
C) cribbing
D) hoist

Question 10

A windlass holds a scaffold from tipping over.

Question 11

Scaffold ____ must be at least 18 inches wide with a guardrail system in place.

A) baseplates
B) mud sills
C) platforms
D) cribbing

Question 12

For scaffolds greater than 3 feet wide, the vertical locations of horizontal members are repeated every ____ feet.

A) 13
B) 26
C) 36
D) 46

Question 13

The loads exerted onto the outer legs of a scaffold more than the inner legs.

Question 14

Guardrails are installed on all open sides and ends of scaffolds that are more than ____ feet in height.

A) 4
B) 6
C) 8
D) 10

Question 15

Most people injured on construction scaffolding were trained on scaffold safety

Question 16

All scaffolds and their components must be capable of supporting, without failure, their own weight and at least ____ times the maximum intended load applied or transmitted to them.

A) four
B) five
C) six
D) seven

Question 17

A rest platform is required for every ____ feet of ladder used for access onto a metal scaffold.

A) 10
B) 15
C) 25
D) 35

Question 18

In a metal scaffold, ____ rigidly connect one scaffold member to another member.

A) baseplates
B) mud sills
C) cross braces
D) end frames

Question 19

All workers on a scaffold must wear hard hats.

Question 20

If workers are on different levels of a scaffold, ____ must be installed as an overhead protection for lower-level workers.

A) guard planks
B) screwjacks
C) toeboards
D) cross frames

Question 21

Means of access onto a scaffold include a hook-on or attachable ladder, a ramp, or a(n) ____ and are determined by the competent person on the job.

A) stair tower
B) stack of concrete blocks
C) adjacent scaffold
D) earthen mound

Question 22

____ support material that is being laid out or cut to size.

A) Stepladders
B) Job-made ladders
C) Sawhorses
D) Pommel horses

Question 23

____-duty scaffolds are designed at 75 pounds per square foot.

A) Light
B) Medium
C) Heavy
D) Standard

Question 24

Two of the most common wood species used for scaffold planks are southern yellow pine and ____.

A) Ponderosa pine
B) Western hemlock
C) Atlas cedar
D) Douglas fir

Question 25

If the frame sections are 5 * 7, a rolling tower can be only ____ feet high.

A) 5
B) 10
C) 15
D) 20

Question 26

A typical personal fall protection system consists of five related parts: the harness, lanyard, lifeline, rope grab, and ____.

A) guard
B) anchor
C) hoist
D) ligature

Question 27

Roofing brackets are made of ____.

A) plywood
B) plastic
C) metal
D) particle board

Question 28

Ladder ____ are metal brackets installed on ladders to hold scaffold plank.

A) jacks
B) extensions
C) leaves
D) addendums

Question 29

Pump jack scaffolds are used widely for ____, where staging must be kept away from the walls, and when a steady working height is desired.

A) roofing
B) siding
C) framing
D) partitioning

Question 30

The rolling tower, or ____ scaffold, is widely used for small jobs, generally not more than 20 feet in height.

A) jackleg
B) provisional
C) mobile
D) temporary