Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is 2n rpm n/2 rpm n/4 rpm n rpm 2n rpm n/2 rpm n/4 rpm n rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-half of the total height above base One-third of the total height above base One-fourth of the total height above base None of these One-half of the total height above base One-third of the total height above base One-fourth of the total height above base None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 50 and 50 50 and 75 75 and 75 75 and 50 50 and 50 50 and 75 75 and 75 75 and 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is 43892 43832 2 3 43892 43832 2 3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 5 √10 m/sec 3 √5 m/sec 5 √3 m/sec 10 √5 m/sec 5 √10 m/sec 3 √5 m/sec 5 √3 m/sec 10 √5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to 7 kg 5 kg None of these 1 kg 7 kg 5 kg None of these 1 kg ANSWER DOWNLOAD EXAMIANS APP
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