Theory of Machine Which of the following is an open pair? Lead screw and nut Journal bearing Cam and follower Ball and socket joint Lead screw and nut Journal bearing Cam and follower Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding and turning pairs Sliding pairs only Sliding and rotary pairs Turning and rotary pairs Sliding and turning pairs Sliding pairs only Sliding and rotary pairs Turning and rotary pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In railway axle boxes, the bearing used is Cylindrical roller bearing Deep groove ball bearing Double row spherical roller bearing Double row self aligning ball bearing Cylindrical roller bearing Deep groove ball bearing Double row spherical roller bearing Double row self aligning ball bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W sinθ W cosecθ W cosθ W tanθ W sinθ W cosecθ W cosθ W tanθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 12,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 6,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of approach)/cosφ (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
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