Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) π/ω 2π × ω ω/2π 2π/ω π/ω 2π × ω ω/2π 2π/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 g/2 None of these g/4 g/3 g/2 None of these g/4 g/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α - φ)/tanα None of these tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα None of these tan(α + φ)/tanα tanα/tan (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of force in S.I. system of units is Kilogram Newton Dyne Watt Kilogram Newton Dyne Watt ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is 0.5 Iω Iω2 0.5 Iω2 Iω 0.5 Iω Iω2 0.5 Iω2 Iω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A pendulum which executes one beat per second is known as Compound pendulum Second's pendulum Torsional pendulum Simple pendulum Compound pendulum Second's pendulum Torsional pendulum Simple pendulum ANSWER DOWNLOAD EXAMIANS APP
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