Mechanical Engineering Questions And Answers :: Strength Of Materials: part4

Mechanical Engineering : Strength Of Materials QUESTIONS AND ANSWERS :: part4 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

1.The safe twisting moment for a compound shaft is equal to the

maximum calculated value
minimum calculated value
mean value
extreme value
none of the above.

2.Shear stress induced in a shaft subjected to tension will be

maximum at periphery and zero at center
maximum at center
uniform throughout
average value in center
none of the above.

3.The torsional rigidity of a shaft is expressed by the

maximum torque it can transmit
number of cycles it undergoes before failure
elastic limit upto which it resists torsion, shear and bending stresses
torque required to produce a twist of one radian per unit length of shaft
maximum power it can transmit at highest possible-speed.

4.In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

increase key length
increase key depth
increase key width
double all the dimensions
none of the above.

5.A key is subjected to side pressure as well at shearing forces. These pressures are called

bearing stresses
fatigue stresses
crushing stresses
resultant stresses
none of the above.

More Strength Of Materials QUESTIONS AND ANSWERS available in next pages

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