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Exam 11: Scaffolds, Ladders, and Sawhorses

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Question 1

Multiple Choice

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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

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Question 2

Multiple Choice

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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

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Question 3

Multiple Choice

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

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

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

Scaffolds and scaffold parts should be visually inspected five times.

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

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

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

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

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.

All workers on a scaffold must wear hard hats.

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

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

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

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

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

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

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 ____.

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