Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. None of these Surface contact Line or point contact Body contact None of these Surface contact Line or point contact Body contact 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 Remain same as before 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Frequency of vibrations is usually expressed in Number of cycles per second None of these Number of cycles per hour Number of cycles per minute Number of cycles per second None of these Number of cycles per hour Number of cycles per minute ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Turning Rolling Screw Sliding Turning Rolling Screw Sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Reverted gear train Simple train of wheels Epicyclic gear train Compound train of wheels Reverted gear train Simple train of wheels Epicyclic gear train Compound train of wheels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Throw of a cam is the maximum distance of the follower from Root circle Pitch circle Base circle Prime circle Root circle Pitch circle Base circle Prime circle ANSWER DOWNLOAD EXAMIANS APP