Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h/kG h2/kG kG2/h h × kG h/kG h2/kG kG2/h h × kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/4 a4/8 a4/36 a4/12 a4/4 a4/8 a4/36 a4/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces Bears a constant ratio to the normal reaction between the two surfaces All of these Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 200 50 400 100 200 50 400 100 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/3 g/4 None of these g/2 g/3 g/4 None of these g/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by T.ω/4500 (in kilowatts) T.ω/75 (in kilowatts) T.ω (in watts) T.ω/60 (in watts) T.ω/4500 (in kilowatts) T.ω/75 (in kilowatts) T.ω (in watts) T.ω/60 (in watts) ANSWER DOWNLOAD EXAMIANS APP
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