Engineering Mechanics A screw jack used for lifting the loads is None of these An ideal machine A non-reversible machine A reversible machine None of these An ideal machine A non-reversible machine A reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Zero at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Zero at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is correct in connection with projectiles? A path, traced by a projectile in the space, is known as trajectory. The velocity, with which a projectile is projected, is known as the velocity of projection. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. All of these A path, traced by a projectile in the space, is known as trajectory. The velocity, with which a projectile is projected, is known as the velocity of projection. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) 2n 2n - 1 n n² 2n 2n - 1 n n² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 πN/60 2πN/60 πN/180 2πN/180 πN/60 2πN/60 πN/180 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then None of these Work is said to be done Body has kinetic energy of translation Power is being transmitted None of these Work is said to be done Body has kinetic energy of translation Power is being transmitted ANSWER DOWNLOAD EXAMIANS APP
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