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ISRO Technician-B Fiber Reinforced Plastics 2019
18

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

18) Graphite fibers have the _____ carbon content

99%

95%

more than 99%

0%

Answer is:

more than 99%

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

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

19) Which of the factor is considered for selection of CMC

High Mechanical properties

Better Machinability

Low process timing

High Temperature Application

Answer is:

High Temperature Application

20) An isotropic material is one with

different properties in all directions.

same properties in all directions

different properties at different locations

same properties in three directions

Answer is:

same properties in all directions

21) Specific strength is given by

Square root of Young's modulus / density.

Strength / density.

Young's modulus / density

Square root of strength / density.

Answer is:

Strength / density.

22) Amongst the choices given below, high strength applications in the aerospace industry use

Kelvar 49

Kelvar 29

E-Glass

S-Glass

Answer is:

S-Glass

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

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