Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Downwards Upwards Horizontal None of these Downwards Upwards Horizontal None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: The change in momentum suffered by rubber ball is more than the lead ball None of these Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball The change in momentum suffered by rubber ball is more than the lead ball None of these Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by P - Q P + Q Q / P P / Q P - Q P + Q Q / P P / Q ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point Twice Four times Same as Thrice Twice Four times Same as Thrice 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 (α - φ) P = W tan (α + φ) P = W tan (φ - α) P = W cos (α + φ) P = W tan (α - φ) P = W tan (α + φ) P = W tan (φ - α) P = W cos (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ideal angle of banking provided on the curves on roads depends upon Nature of the road surface (Velocity)2 of the vehicle Weight of the vehicle Coefficient of friction between the road and vehicle contact point Nature of the road surface (Velocity)2 of the vehicle Weight of the vehicle Coefficient of friction between the road and vehicle contact point ANSWER DOWNLOAD EXAMIANS APP
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