Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR μwr ¾μWR ²/₃ μWR ½μWR μwr ¾μWR ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine At the nodal point in a shaft, the amplitude for torsional vibration will be Zero Minimum Infinity Maximum Zero Minimum Infinity Maximum ANSWER DOWNLOAD EXAMIANS APP
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 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 driving and driven shafts connected by a Hooke's joint will have equal speeds, if sinθ = ± tanα cotθ = cosα cosθ = sinα tanθ = ± cosα sinθ = ± tanα cotθ = cosα cosθ = sinα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero None of these Both (A) and (B) The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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