Chapter 139

Question 0

What factor of safety should be used to determine safe load for a new fibre rope?
A) 6
B) 5
C) 4
D) 10

Answer 0

B) 5

Question 1

An eye made by using a wire rope clip will have a strength factor of \_\_\_%.
A) 85
B) 80
C) 90
D) 60

Answer 1

B) 80

Question 2

To prevent damage to a work surface while tightening a nut on a bolt:
A) select a nut with a fine pitch thread
B) use castle nuts only
C) use toothed lock washers
D) use flat washers
E) use a lubricant during threading and tightening

Answer 2

D) use flat washers

Question 3

Mechanical steel fasteners that are commonly used in the automotive industry and on various plant machinery are classified as:
A) machine screws
B) set screws
C) carriage bolts

Answer 3

A) machine screws

Question 4

Nylon rope has less elasticity than Dacron rope.
A) true
B) false

Answer 4

B) false

Question 5

Polyethylene rope has poor resistance to abrasion.
A) true
B) false

Answer 5

A) true