# 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 2014 and IES 2014 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. ANSWER : : minimum calculated value Explanation :
 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. ANSWER : : none of the above. Explanation :
 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. ANSWER : : torque required to produce a twist of one radian per unit length of shaft Explanation :
 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. ANSWER : : increase key width Explanation :
 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. ANSWER : : bearing stresses Explanation :

More Strength Of Materials QUESTIONS AND ANSWERS available in next pages

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