KPCL JE Mechanical Question Paper - 2018 with Answer Key

KPCL JE Mechanical Question Paper - 2018 with Answer Key

81) The unique property of cast iron is its high

Answer is:

Damping characteristics

82) Wrought iron is

Answer is:

Highly resistant to corrosion

Explanation:

Wrought iron is soft, ductile, magnetic, and has high elasticity and tensile strength. It can be heated and reheated and worked into various shapes.

83) Mixture of ice and water is a

Answer is:

Heterogeneous system

84) The following part of Lathe serves as housing for the driving pulleys and back gears

Answer is:

Head stock

85) Which of the following is the correct type of threads used in lead screw having half nut in lathe which is free to rotate in both directions?

Answer is:

ACME threads

Explanation:

Acme threads are used in lathe lead screws. This form of thread enables the easy engagement of the half nut. The metric acme thread has an included angle of 30°.

Which of the following is the correct type of threads used in lead screw having half nut in lathe which is free to rotate in both directions?

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