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/3 g/2 g/4 None of these g/3 g/2 g/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W tan (φ - α) P = W tan (α - φ) P = W tan (α + φ) P = W cos (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W tan (α + φ) P = W cos (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Give rise to the internal stresses in it Balance the forces, already acting on it Change its motion All of these Give rise to the internal stresses in it Balance the forces, already acting on it Change its motion All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 40 10 20 5 40 10 20 5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is mgv2 0.5 mv2 0.5 mgv2 mv2 mgv2 0.5 mv2 0.5 mgv2 mv2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 ANSWER DOWNLOAD EXAMIANS APP
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