Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is None of these —rad/sec 30 —rad/sec 20 —rad/sec 10 None of these —rad/sec 30 —rad/sec 20 —rad/sec 10 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 102.5 kg 110 kg 108.5 kg 105.5 kg 102.5 kg 110 kg 108.5 kg 105.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of the trapezium as shown in below figure from the side is at a distance of (h/2) × [(2b + a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be 200 tonnes at the right support 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the left support 200 tonnes at the right support 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the left support ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution is 1 Zero Between 0 and 1 0.5 1 Zero Between 0 and 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be More than that of BC None of these Less than that on BC Equal to that on BC More than that of BC None of these Less than that on BC Equal to that on BC ANSWER DOWNLOAD EXAMIANS APP