ISRO Technician-B Fiber Reinforced Plastics Question Paper - 2019 (Set - 1) with Answer Key

ISRO Technician-B Fiber Reinforced Plastics Question Paper - 2019 (Set - 1) with Answer Key

51) Each strain component is a laminate _____ from the top of the laminate to the bottom of the laminate.

Answer is:

varies linearly

52) What is the minimum number of plies to make a quasi-isotropic laminate?

Answer is:

3

53) Which composite material retains it's material property at high temperatures?

Answer is:

Carbon-Carbon

54) Which property is used for selection of an antenna design for space application?

Answer is:

All of the above

Explanation:

Following properties are used for selection of an antenna design for space application
* Specific strength/stiffness
* RF transparency
* Low CTE

55) Carbon Composites are generally

Answer is:

Brittle

8
9
10
11
12
13
14