Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Reversible Non-reversible None of these Ideal Reversible Non-reversible None of these Ideal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of gravity Center of mass Center of percussion Moment of inertia Center of gravity Center of mass Center of percussion Moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total energy possessed by a system of moving bodies Is constant at every instant Is minimum in the start and maximum at the end Varies from point to point Is maximum in the start and minimum at the end Is constant at every instant Is minimum in the start and maximum at the end Varies from point to point Is maximum in the start and minimum at the end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is None of these A non-reversible machine A reversible machine An ideal machine None of these A non-reversible machine A reversible machine An ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Static friction is always __________ dynamic friction. Less than None of these Equal to Greater than Less than None of these Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of 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 Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine All of these ANSWER DOWNLOAD EXAMIANS APP
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