Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 4/15 1/8 1/24 12 4/15 1/8 1/24 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called Fluctuation of energy Maximum fluctuation of energy Coefficient of fluctuation of energy None of the listed here Fluctuation of energy Maximum fluctuation of energy Coefficient of fluctuation of energy None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Lower pair Force-closed pair Higher pair Self-closed pair Lower pair Force-closed pair Higher pair Self-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω(R - r₁) cosθ ωR cosθ ωr₁ sinθ ω(R - r₁) sinθ ω(R - r₁) cosθ ωR cosθ ωr₁ sinθ ω(R - r₁) sinθ 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 ½μWR μwr ¾μWR ²/₃ μWR ½μWR μwr ¾μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Transmission angle is the angle between Input link and coupler Input link and fixed link Output link and coupler Output link and fixed link Input link and coupler Input link and fixed link Output link and coupler Output link and fixed link ANSWER DOWNLOAD EXAMIANS APP