Theory of Machine Lower pairs are those which have Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases linearly with time Decreases linearly with time Increases exponentially with time Decreases exponentially with time Increases linearly with time Decreases linearly with time Increases exponentially with time Decreases exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a Crank and slotted lever quick return motion mechanism All of these Single slider crank chain Whitworth quick return motion mechanism Crank and slotted lever quick return motion mechanism All of these Single slider crank chain Whitworth quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Ball and socket joint Ball bearing and roller bearing Bolt and nut Lead screw of a lathe Ball and socket joint Ball bearing and roller bearing Bolt and nut Lead screw of a lathe 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) ²/₃ μWR ¾μWR ½μWR μwr ²/₃ μWR ¾μWR ½μWR μwr ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Any point on a link connecting double slider crank chain will trace a Straight line Ellipse Parabola Circle Straight line Ellipse Parabola Circle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS