Chapter 138

Question 0

When using a step ladder, it is best to:
A) not work higher than the top three rungs
B) have a 4:1 slope on the rung side
C) have two coworkers hold the ladder safely
D) secure the ladder with a rope
E) place both feet on top platform if extra height is required

Answer 0

A) not work higher than the top three rungs

Question 1

Platforms should have a ____ edge going around the, to prevent objects from rolling off.

Answer 1

Raised

Question 2

The maximum % error we should use when calculating the mass of a light object is:
A) 20%
B) 25%
C) 10%

Answer 2

A) 20%

Question 3

Scaffolding should be set up only by specially trained personnel
A) true
B) false

Answer 3

A) true