ISRO Draughtsman-B Mechanical Question Paper - 2017 (Set -1) with Answer Key

ISRO Draughtsman-B Mechanical Question Paper - 2017 (Set -1) with Answer Key

1) Measured size of a finished product is

Answer is:

Actual size

Explanation:

The measured size of the dimension of a component is called Actual size.

2) Which of the following is not an essential property for refractory material?

Answer is:

High electrical conductivity

3) Nitriding is a

Answer is:

case hardening process in which work piece is heated in a steam of ammonia

4) In AutoCAD, what is the command for arraying an object on a helix?

Answer is:

ARRAYHELIX

5) Ratio of Stress to Strain is known as

Answer is:

Young's modulus

Explanation:

Young’s Modulus is defined as ratio of Normal Stress to Longitudinal Strain. Young’s Modulus is usually denoted with letter E. Young’s Modulus is also called as Modulus of Elasticity.