52) What is the property of metal required to wire and cable manufacturing ?

Ductility

Toughness

Malleability

Hardness

Answer is:

Ductility

Explanation:

Ductility is a property of a material enabling it to be drawn into wires.
Malleability is a property of a material enabling it to be drawn into thin sheets.

What is the property of metal required to wire and cable manufacturing ?

ISRO Technician-B Fitter Question Paper - 2018 (Set - 1) with Answer Key

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53) Which among the following vices is used for holding sections of metal, tubes and pipes

Pin vice

Tool maker vice

Bench vice

Pipe vice

Answer is:

Pipe vice

Explanation:

Pipe vice is used for holding sections of metal, tubes and pipes.

Which among the following vices is used for holding sections of metal, tubes and pipes

54) Which one of the following machine vice can be set at any desired angle in both horizontal and vertical planes?

Plain vice

Fixed machine vice

Universal vice

Swivel vice

Answer is:

Universal vice

Explanation:

Universal vice can be set at any desired angle in both horizontal and vertical planes.

Which one of the following machine vice can be set at any desired angle in both horizontal and vertical planes?

55) The minimum measurement that can be correctly read with a vernier caliper is called

Sub scale division

Main scale division

Zero reading

Least count

Answer is:

Least count

Explanation:

Least Count of an instrument is the smallest measurement that can be taken using an instrument. In other words, it is the smallest change an instrument can measure.