Engineering Mechanics The centre of percussion of the homogeneous rod of length ‘L’ suspended at the top will be L/3 L/2 3L/4 2L/3 L/3 L/2 3L/4 2L/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? The ratio of the limiting friction to the normal reaction is called coefficient of friction A force acting in the opposite direction to the motion of the body is called force of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine The ratio of the limiting friction to the normal reaction is called coefficient of friction A force acting in the opposite direction to the motion of the body is called force of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine 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/3 None of these MS/5 MS/4 MS/3 None of these MS/5 MS/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a³/12 a²/8 a⁴/16 a⁴/12 a³/12 a²/8 a⁴/16 a⁴/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of 2 m 1 m 4 m 3 m 2 m 1 m 4 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile (R) on an upward inclined plane is g. cos² β/2u². sin (α + β). cos α 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α + β). cos α 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α + β). cos α/g. cos² β ANSWER DOWNLOAD EXAMIANS APP
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