Theory of Machine Frequency of vibrations is usually expressed in Number of cycles per hour None of these Number of cycles per second Number of cycles per minute Number of cycles per hour None of these Number of cycles per second Number of cycles per minute ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) cosβ sinβ secβ cosecβ cosβ sinβ secβ cosecβ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W cosecθ W tanθ W cosθ W sinθ W cosecθ W tanθ W cosθ W sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., acceleration is proportional to Rate of change of velocity All of these Displacement Velocity Rate of change of velocity All of these Displacement Velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to R/4 Become equal to 2R Become equal to R/2 Remain same as before Become equal to R/4 Become equal to 2R Become equal to R/2 Remain same as before ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Could be either same or opposite to velocity Is opposite to that of velocity Is same as that of velocity Is perpendicular to that of velocity Could be either same or opposite to velocity Is opposite to that of velocity Is same as that of velocity Is perpendicular to that of velocity ANSWER DOWNLOAD EXAMIANS APP
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