62) Which are produced from aromatic polyamides by dry-jet wet spinning process.

Carbon fibre

Glass fibre

Boron fibre

Aramid fibre (Kevlar)

Answer is:

Aramid fibre (Kevlar)

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

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63) Service temperature of Polyimides are about

250-300 degree centigrade

50-100 degree centigrade

800-1000 degree centigrade

20-35 degree centigrade

Answer is:

250-300 degree centigrade

64) In a 6-harness satin weave fabric

Each pick passes over six and under one end

Each end and pick passes over two crossing threads

Each pick passes over five and under one end

Each pick passes over seven and under one end

Answer is:

Each pick passes over five and under one end

65) Which of the following is a surface preparation method for bonding of composite parts with metal?

Chemical etching

Oxide coating

Anodizing

None of these

Answer is:

Chemical etching

66) Which is the non-destructive test used for verifying welded joints?

Radiography

Thermography

Ultrasonic test

Tap test

Answer is:

Radiography

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

For more MCQ's Click Here

62) Which are produced from aromatic polyamides by dry-jet wet spinning process.

Aramid fibre (Kevlar)

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

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

63) Service temperature of Polyimides are about

250-300 degree centigrade

64) In a 6-harness satin weave fabric

Each pick passes over five and under one end

65) Which of the following is a surface preparation method for bonding of composite parts with metal?

Chemical etching

66) Which is the non-destructive test used for verifying welded joints?

Radiography

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