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 ½μWR ²/₃ μWR ¾μWR μwr ½μWR ²/₃ μWR ¾μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a Motion of a shaft with collars at each end in a circular hole All of these Motion of a piston in the cylinder of a steam engine Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole All of these Motion of a piston in the cylinder of a steam engine Motion of a square bar in a square hole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ r₂) cosθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ω (r₁ r₂) cosθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Surface contact Point contact No contact None of these Surface contact Point contact No contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration is taken into account for Quick return motion mechanism Slider crank mechanism Four bar chain mechanism All of these Quick return motion mechanism Slider crank mechanism Four bar chain mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Always constant Always variable Dependent on the size of teeth Dependent on the size of gears Always constant Always variable Dependent on the size of teeth Dependent on the size of gears ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS