Engineering Mechanics The efficiency of a lifting machine is the ratio of Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these Output to the input ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Give rise to the internal stresses in it Balance the forces, already acting on it Change its motion All of these Give rise to the internal stresses in it Balance the forces, already acting on it Change its motion All of these 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 Towards the wall at its upper end Downward at its upper end Upward at its upper end Away from the wall at its upper end Towards the wall at its upper end Downward at its upper end Upward at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about an axis perpendicular to the section is πd4/64 πd3/32 πd4/32 πd3/16 πd4/64 πd3/32 πd4/32 πd3/16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is A non-reversible machine A reversible machine None of these An ideal machine A non-reversible machine A reversible machine None of these An ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ √(gra/h) Greater than Less than Equal to None of these Greater than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
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