Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is mv2 mgv2 0.5 mv2 0.5 mgv2 mv2 mgv2 0.5 mv2 0.5 mgv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π × ω ω/2π 2π/ω π/ω 2π × ω ω/2π 2π/ω π/ω 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 None of these g/2 g/4 g/3 None of these g/2 g/4 g/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate 0.5 cm 2.5 cm 1.5 cm 1.0 cm 0.5 cm 2.5 cm 1.5 cm 1.0 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of r/A 0.134 r r/2 r/3 r/A 0.134 r r/2 r/3 ANSWER DOWNLOAD EXAMIANS APP
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