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

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°.

86) If D1 and D2 be the diameters of driver and driven pulleys, then belt speed is proportional to

Answer is:

D1

Explanation:

87) Euler's formula holds well only for

Answer is:

Long columns

Explanation:

88) The simply supported beam 'A' of length l carries a central point load W. Another beam 'B' is loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is

Answer is:

(8/5)

Explanation:

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

Head stock

For More KPCL JE Mechanical Question Paper - 2018 with Answer Key

Related KPCL JE Mechanical Question Paper - 2018 with Answer Key

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?

ACME threads

86) If D1 and D2 be the diameters of driver and driven pulleys, then belt speed is proportional to

D1

87) Euler's formula holds well only for

Long columns

88) The simply supported beam 'A' of length l carries a central point load W. Another beam 'B' is loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is

(8/5)

For More KPCL JE Mechanical Question Paper - 2018 with Answer Key