Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’L-‘T1 M2L’T3 M’L-‘T0 M’^T’ M’L-‘T1 M2L’T3 M’L-‘T0 M’^T’ 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 12.88 m/sec 8.88 m/sec 5.88 m/sec 10.88 m/sec 12.88 m/sec 8.88 m/sec 5.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for Concurrent coplanar force system A system of parallel forces only Non-concurrent coplanar force system Any coplanar force system Concurrent coplanar force system A system of parallel forces only Non-concurrent coplanar force system Any coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration Elsewhere As it strikes the ground At the start At the top of the trajectory Elsewhere As it strikes the ground At the start At the top of the trajectory ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a moving body, is A constant quantity None of these A vector quantity A scalar quantity A constant quantity None of these A vector quantity A scalar quantity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.75 0.50 0.25 1.0 0.75 0.50 0.25 1.0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS