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/3 g/4 g/2 None of these g/3 g/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (1/3) Ml² (2/3) Ml² (1/12) Ml² (3/4) Ml² (1/3) Ml² (2/3) Ml² (1/12) Ml² (3/4) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at The midpoint of its axis The bottom surface The centre of heavy portion All of these The midpoint of its axis The bottom surface The centre of heavy portion All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base At distance — from the plane base 3r At distance — from the plane base 3r At distance — from the plane base 3r 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 matter contained in a body, is called Impulsive force Weight Momentum Mass Impulsive force Weight Momentum Mass ANSWER DOWNLOAD EXAMIANS APP
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