Theory of Machine The locus of a point on a thread unwound from a cylinder will be Cycloidal A circle Involute A straight line Cycloidal A circle Involute A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For a kinematic chain to be considered as mechanism There is no such criterion One link should be fixed None of the links should be fixed Two links should be fixed There is no such criterion One link should be fixed None of the links should be fixed Two links should be fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Are held together Have line contact Permit relative motion Have surface contact Are held together Have line contact Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. Equal None of these Complex conjugate Real Equal None of these Complex conjugate Real 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 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
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) μwr ¾μWR ²/₃ μWR ½μWR μwr ¾μWR ²/₃ μWR ½μWR ANSWER DOWNLOAD EXAMIANS APP
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