Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u cosα/g 2u sinα/g 2u tanα/g 2u cotα/g 2u cosα/g 2u sinα/g 2u tanα/g 2u cotα/g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Remain constant Before impact is more than that after impact Before impact is less than that after impact Before impact is equal to that after impact Remain constant Before impact is more than that after impact Before impact is less than that after impact Before impact is equal to that after impact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a plane lamina will not be at its geometrical centre if it is a Equilateral triangle Right angled triangle Circle Rectangle Equilateral triangle Right angled triangle Circle Rectangle ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of unit of force in gravitational system to that in absolute system is (where ‘g’ is acceleration due to gravity) None of these 1/g g 1 None of these 1/g g 1 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 5.88 m/sec 12.88 m/sec 10.88 m/sec 8.88 m/sec 5.88 m/sec 12.88 m/sec 10.88 m/sec 8.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 5 m/sec and 0 0 and 5 m/sec 5√3 m/sec and 0 5 and 5√3 m/sec 5 m/sec and 0 0 and 5 m/sec 5√3 m/sec and 0 5 and 5√3 m/sec ANSWER DOWNLOAD EXAMIANS APP