Theory of Machine | Theory of Machine Objective Type Questions and answers

41. The horse power transmitted by a belt is dependent upon.......

   A.tension on tight side of belt

   B.tension on slack side of belt

   C.radius of pulley

   D.speed of pulley

   E.all of the above

42. Idler pulley is used.......

   A.for changing the direction of motion of the belt

   B.for applying tension

   C.for increasing velocity ratio

   D.all of the above

   E.none of the above

43. Crowning on pulleys helps.......

   A.in increasing velocity ratio

   B.in decreasing the slip of the belt

   C.for automatic adjustment of belt position so that belt runs centrally

   D.increase belt and pulley life

   E.none of the above

44. The moment on the pulley which produces rotation is called.......

   A.inertia

   B.momentum

   C.moment of momentum

   D.work

   E.torque

45. Creep in belt drive is due to.......

   A.material of the pulley

   B.material of the belt

   C.larger size of the driver pulley

   D.uneven extensions and contractions due to varying tension

   E.expansion of belt

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