Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is db³/12 bd³/36 db³/36 bd³/12 db³/12 bd³/36 db³/36 bd³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Changes periodically Change None of these Does not change Changes periodically Change None of these Does not change ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of restitution for inelastic bodies is Zero One More than one Between zero and one Zero One More than one Between zero and one ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as None of these Power Potential energy Kinetic energy None of these Power Potential energy Kinetic energy 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 tan(α + φ)/tanα None of these tanα/tan (α + φ) tan(α - φ)/tanα tan(α + φ)/tanα None of these tanα/tan (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.) P = m/W + C P = C - mW P = mW + C P = mW - C P = m/W + C P = C - mW P = mW + C P = mW - C ANSWER DOWNLOAD EXAMIANS APP
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