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KPCL JE Mechanical 2018
96

KPCL JE Mechanical Question Paper - 2018 with Answer Key

96) Residual stress in materials

Acts when external load is applied

Becomes zero when external load is removed

Is independent of external loads

Is always harmful

Answer is:

Is independent of external loads

KPCL JE Mechanical Question Paper - 2018 with Answer Key

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Related KPCL JE Mechanical Question Paper - 2018 with Answer Key

97) A balloon lifting in air follows following principle

Law of gravitation

Archimedes principle

Principle of buoyancy

All of the above

Answer is:

All of the above

98) The air-fuel ratio of the petrol engine is controlled by

Fuel pump

Governor

Injector

Carburettor

Answer is:

Carburettor

99) Melting point of iron is

1539 °C

1610 °C

1489 °C

1712 °C

Answer is:

1539 °C

100) A tensile test is performed on a mild steel round bar. Its diameter after fracture will

Remain same

Increase

Decrease

Depends upon rate of loading

Answer is:

Decrease

KPCL JE Mechanical Question Paper - 2018 with Answer Key

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