Engineering Mechanics The efficiency of a lifting machine is the ratio of 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 Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The slope on the road surface generally provided on the curves is known as None of these Angle of repose Angle of banking Angle of friction None of these Angle of repose Angle of banking Angle of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be 2L/3 3L/4 L/3 L/2 2L/3 3L/4 L/3 L/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/60 2πN/180 πN/180 πN/60 2πN/60 2πN/180 πN/180 πN/60 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 percussion Moment of inertia Center of gravity Center of mass Center of percussion Moment of inertia Center of gravity Center of mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.) MS/4 MS/5 MS/3 None of these MS/4 MS/5 MS/3 None of these ANSWER DOWNLOAD EXAMIANS APP
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