Theory of Machine In gears, interference takes place when Gear teeth are undercut Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication Gear teeth are undercut Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication 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 2R Become equal to R/2 Become equal to R/4 Remain same as before Become equal to 2R Become equal to R/2 Become equal to R/4 Remain same as before ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Line or point contact None of these Body contact Surface contact Line or point contact None of these Body contact Surface contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft carrying two rotors at its ends will have Two nodes One node Three nodes No node Two nodes One node Three nodes No node ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism?1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial cylinder engine mechanism4. Quick return mechanism 1, 2 and 3 1, 2 and 4 1, 3 and 4 2, 3 and 4 1, 2 and 3 1, 2 and 4 1, 3 and 4 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear. Less More Same None of these Less More Same None of these ANSWER DOWNLOAD EXAMIANS APP
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