Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.4 R 0.3 R 0.2 R 0.6 R 0.4 R 0.3 R 0.2 R 0.6 R ANSWER DOWNLOAD EXAMIANS APP
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 n/2 rpm 2n rpm n rpm n/4 rpm n/2 rpm 2n rpm n rpm n/4 rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan"1 x, where x is (Assume g = 10 m/sec²) 43832 43898 43959 44079 43832 43898 43959 44079 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/3 g/2 g/4 g/5 g/3 g/2 g/4 g/5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be More than 50% None of these Less than 60% 0.5 More than 50% None of these Less than 60% 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 10.88 m/sec 5.88 m/sec 8.88 m/sec 12.88 m/sec 10.88 m/sec 5.88 m/sec 8.88 m/sec 12.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
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