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

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

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

Radiography

Thermography

Ultrasonic test

Tap test

Answer is:

Radiography

67) The composite not prone to galvanic corrosion is

(a) Glass composite

(b) Kevlar composite

Both (A) and (B)

Answer is:

Both (A) and (B)

68) Purpose of vacuum bagging on composite lay up is to

Avoid environment interaction during curing

To get shape of the product

Apply external pressure for consolidation

Remove matrix from the product

Answer is:

Apply external pressure for consolidation

69) Major role of matrix in composite is

Hold the fiber in place

Provide alternate load transfer path

To protect the fibre

All the above

Answer is:

All the above

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

For more MCQ's Click Here

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

Chemical etching

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

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

Radiography

67) The composite not prone to galvanic corrosion is

Both (A) and (B)

68) Purpose of vacuum bagging on composite lay up is to

Apply external pressure for consolidation

69) Major role of matrix in composite is

All the above

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