Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Ratio Product Sum Difference Ratio Product Sum Difference ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ - ω₂)2r (ω₁ + ω₂)r ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ - ω₂)2r (ω₁ + ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) tan (α - φ)/tanα tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) tan (α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A circle passing through the pitch point with its center at the center of cam axis is known as Outer circle Pitch circle Base circle Prime circle Outer circle Pitch circle Base circle Prime circle 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. Line or point contact Body contact None of these Surface contact Line or point contact Body contact None of these Surface contact ANSWER DOWNLOAD EXAMIANS APP