Theory of Machine Lower pairs are those which have Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis) 8.95/N² 89.5/N² 895/N² 8950/N² 8.95/N² 89.5/N² 895/N² 8950/N² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when Two of the links are fixed None of these One of the links is fixed None of the links is fixed Two of the links are fixed None of these One of the links is fixed None of the links is fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Combination of transverse and longitudinal vibration occurs Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction Combination of transverse and longitudinal vibration occurs Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Negative during major portion of the stroke Positive during major portion of the stroke Positive throughout Negative throughout Negative during major portion of the stroke Positive during major portion of the stroke Positive throughout Negative throughout ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called Coefficient of fluctuation of energy Fluctuation of energy Maximum fluctuation of energy None of these Coefficient of fluctuation of energy Fluctuation of energy Maximum fluctuation of energy None of these ANSWER DOWNLOAD EXAMIANS APP
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