Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is D/(D - d) D/(D + d) 2D/(D + d) 2D/(D - d) D/(D - d) D/(D + d) 2D/(D + d) 2D/(D - d) 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/2 g/3 None of these g/4 g/2 g/3 None of these g/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) All of these v = u + a.t v2 = u2 + 2a.s s = u.t + ½ a.t2 All of these v = u + a.t v2 = u2 + 2a.s s = u.t + ½ a.t2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion, P + m.a = 0 P/m.a = 0 P × m.a = 0 P - m.a = 0 P + m.a = 0 P/m.a = 0 P × m.a = 0 P - m.a = 0 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) n 2n 2n - 1 n² n 2n 2n - 1 n² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule is equal to 0.1 N-m 1 N-m 10 N-m 100 N-m 0.1 N-m 1 N-m 10 N-m 100 N-m ANSWER DOWNLOAD EXAMIANS APP
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