An M24 course thread bolt has

An M24 course thread bolt has

a) 3 threads per mm
b) 3.5 threads per mm
c) 3 mm per thread
d) 3.5 mm per thread
e) 2 mm per thread





Answer: C

An eye made by using a Crosby clip will have a strength factor of

An eye made by using a Crosby clip will have a strength factor of

a) 80%
b) 50%
c) 95%
d) 75%
e) 90%






Answer: A

In order to prevent a rope from untwisting under load:

In order to prevent a rope from untwisting under load:

a. It should be moistened
b. It requires a synthetic binder
c. It has counteracting left-handed and right-handed twists
d. Each end requires "whipping"
e. Rope thimbles should be used






Answer: C

Eye bolts should be:

Eye bolts should be:

a. Manufactured with fine threads only
b. Shackled when more than two are used
c. Angled so the load is not applied axially
d. Hot forged
e. Self tapping






Answer: D

To prevent damage to a work surface while fastening with bolts:

To prevent damage to a work surface while fastening with bolts:

a. Do not over-tighten a nut
b. Use castle nuts only
c. Use toothed lock washers
d. Use flat washers
e. Use a lubricant during threading and tightening






Answer: D

Steel mechanical fasteners that are commonly used in the automotive industry and on plant machinery are classed as:

Steel mechanical fasteners that are commonly used in the automotive industry and on plant machinery are classed as:

a. Carriage bolts
b. Machine bolts
c. Hexagon bolts
d. Whitworth bolts
e. Self tapping







Answer: B

What factor of safety should be used to determine the safe load for a new fiber rope?

What factor of safety should be used to determine the safe load for a new fiber rope?

a. 10
b. 5
c. 7
d. 4
e. 3







Answer: B

Lock washers:

Lock washers:

a. Prevent marring of the work surface
b. Distribute the lock nut force
c. Allow oversized bolts or nuts to be used
d. Reduce the chances of unwanted turning of the bolt or nut
e. Prevent the equipment from being dismantled





Answer: D

Natural ropes are made of:

Natural ropes are made of:

a. Nylon
b. Polyethylene
c. Manila
d. Dacron
e. Polyvinyl chloride







Answer: C

Stove bolt nuts are usually:

Stove bolt nuts are usually:

a. Hexagonal
b. Square
c. Fine thread
d. Self locking
e. Left hand thread







Answer: B

A knot used to pull at right angles to a pipe or pole is the:

A knot used to pull at right angles to a pipe or pole is the:

a. Timber hitch
b. Round turn and two half hitches
c. Bowline
d. Reef knot
e. Clove hitch






Answer: E

Machine bolts are commonly supplied with:

Machine bolts are commonly supplied with:

a. Pan heads
b. Oval heads
c. Truss heads
d. Hexagon heads
e. Square heads








Answer: D

Wire rope classified as 8 x 12 means it has:

Wire rope classified as 8 x 12 means it has:

a. A factor of safety of 8 and is 12 meters long
b. A factor of safety of 12 and is 8 meters long
c. 8 strands with 12 wires per strand
d. 12 strands with 8 wires per strand
e. 8 strands, each containing 12 yarns







Answer: C

Castle nuts are used:

Castle nuts are used:

a. To simplify assembly and disassembly
b. To hold shims in place
c. With a square pin
d. For locking square nuts in place
e. With a split pin or cotter pin






Answer: E

The knot that forms a loop that will not slip or jam is the:

The knot that forms a loop that will not slip or jam is the:

a. Square or reef knot
b. Figure eight
c. Clove hitch
d. Sheet bend
e. Bowline





Answer: E

When joining two ropes of different diameters we use a:

When joining two ropes of different diameters we use a:

a. Reef knot
b. Sheet bend
c. Figure eight knot
d. Sheep shank
e. Round turn and three half hitches






Answer: B

A strand of fiber rope

A strand of fiber rope

a. Is normally 20 meters in length
b. Will un-twist if subjected to a heavy load
c. Is the smallest component of the rope
d. Is composed of yarns with a left-handed twist
e. Is the most important part of the rope




Answer: D