Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ r cosφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface The point of contact The center of the disc The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface The point of contact The center of the disc ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels One pair turning and three pairs sliding Two pairs turning and two pairs sliding All four pairs are turning Three pairs turning and one pair sliding One pair turning and three pairs sliding Two pairs turning and two pairs sliding All four pairs are turning Three pairs turning and one pair sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Davis steering gear consists of Higher pairs Turning pairs Sliding pairs Rolling pairs Higher pairs Turning pairs Sliding pairs Rolling pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Decreases None of these Remain same Increases Decreases None of these Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Surface contact No contact None of these Point contact Surface contact No contact None of these Point contact ANSWER DOWNLOAD EXAMIANS APP