ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

31) A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is

Answer is:

0.6

32) The unit of radio-activity is

Answer is:

curie

33) In an application, the bearing is subjected to radial as well as axial loads. Which type of rolling contact bearings you would suggest?

Answer is:

Taper roller bearing

34) Solder used for welding electrical wires is an alloly consisting of

Answer is:

tin and lead

35) A this spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is

Answer is:

pd/4t

4
5
6
7
8
9
10