4Th Class Power Engineering Chapter 139

Front 1

A strand of fiber rope is:

1) At least 20 metres in length

2) Composed of fibers twisted right-handed

3) Composed of yarns twisted left-handed

4) The most important part of the rope

5) The smallest component of the rope

Back 1

Composed of yarns twisted left-handed

Front 2

When joining two ropes of different diameters, we use a:

1) Round turn and three half hitches

2) Sheep shank

3) Figure eight knot

4) Reef knot

5) Sheet bend

Back 2

Sheet bend

Front 3

After properly attaching wire rope to a piece of equipment using Crosby clips, the rope strength as compared to the original uncut rope will be:

1) 25%

2) 33%

3) 100%

4) 80%

5) 50%

Back 3

80%

Front 4

An M24 coarse thread bolt has:

1) 3.5 mm per thread

2) 2 mm per thread

3) 3.5 threads per mm

4) 3 threads per mm

5) 3 mm per thread

Back 4

3 mm per thread

Front 5

The mechanical fastener used in the assembly of automotive and plant machinery is the:

1) Carriage bolt

2) Machine bolt

3) Stove bolt

4) Machine screw

5) Cap screw

Back 5

Machine bolt

Front 6

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

1) 3

2) 4

3) 5

4) 7

5) 10

Back 6

5

Front 7

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

1) Timber hitch

2) Bowline

3) Clove hitch

4) Reef knot

5) Round turn and two half hitches

Back 7

Clove hitch

Front 8

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

1) 50%

2) 75%

3) 95%

4) 90%

5) 80%

Back 8

80%

Front 9

The clove hitch is used for attaching a rope to pull:

1) Straight

2) At right angles

3) Horizontally

4) Vertically

5) Upwards

Back 9

At right angles