Theory of Machine Higher pairs are those which have Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Point contact No contact None of these Surface contact Point contact No contact None of these Surface contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is r/2πk. √(g/l) 2πk/r. √(g/l) r/2πk. √(l/g) 2πr/k. √(g/l) r/2πk. √(g/l) 2πk/r. √(g/l) r/2πk. √(l/g) 2πr/k. √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 1/24 1/8 4/15 12 1/24 1/8 4/15 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are Constant In geometric progression In arithmetic progression In logarithmic progression Constant In geometric progression In arithmetic progression In logarithmic progression ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam mechanism imparts following motion Rotating Reciprocating All of these Oscillating Rotating Reciprocating All of these Oscillating ANSWER DOWNLOAD EXAMIANS APP
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