Engineering Mechanics A screw jack used for lifting the loads is An ideal machine A non-reversible machine A reversible machine None of these An ideal machine A non-reversible machine A reversible machine None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The impact between two lead spheres is approximately equal to an __________ impact. Elastic Solid Inelastic None of these Elastic Solid Inelastic None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The principle of transmissibility of forces states that, when a force acts upon a body, its effect is Different at different points on its line of action Minimum, if it acts at the center of gravity of the body Same at every point on its line of action Maximum, if it acts at the center of gravity of the body Different at different points on its line of action Minimum, if it acts at the center of gravity of the body Same at every point on its line of action Maximum, if it acts at the center of gravity of the body ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a²/8 a⁴/16 a⁴/12 a³/12 a²/8 a⁴/16 a⁴/12 a³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Chemical energy Potential energy Electrical energy Kinetic energy Chemical energy Potential energy Electrical energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP