72) Strands of fibrous material collected into a parallel bundle without twisting is called

Roving

Yarn

End

Band

Answer is:

Roving

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

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73) The best way to detect Skin to core debonds in sandwich structures are by using

(a) Ultrasonic inspection methods

(b) Radiography methods

Both (A) and (C )

Answer is:

Both (A) and (C )

74) What is a composite?

Recycled waste

A chemical reaction

A monolithic material

A material consisting of two or more constituents

Answer is:

A material consisting of two or more constituents

75) Tensile strength of a composite is maximum in

Fibre direction

Perpendicular to fibre direction

45 degree to fibre direction

Thickness direction

Answer is:

Fibre direction

76) Fiber volume fraction is defined as

Volume of Fibers / Volume of Matrix

Volume of Fibers / Volum e of Composite

Volume of Composite / Volume of Matrix

Volume of Composite / Volume of Fibers

Answer is:

Volume of Fibers / Volum e of Composite

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

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72) Strands of fibrous material collected into a parallel bundle without twisting is called

Roving

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

73) The best way to detect Skin to core debonds in sandwich structures are by using

Both (A) and (C )

74) What is a composite?

A material consisting of two or more constituents

75) Tensile strength of a composite is maximum in

Fibre direction

76) Fiber volume fraction is defined as

Volume of Fibers / Volum e of Composite

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