Engineering Mechanics In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load. None of these Less than Equal to More than None of these Less than Equal to More than 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 cos (α + φ) 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) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the lift is moving upwards with some acceleration, the pressure exerted by a man is __________ to its acceleration. Inversely proportional Cube root Directly proportional None of these Inversely proportional Cube root Directly proportional None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 - m 1 + m m 1 / m 1 - m 1 + m m 1 / m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following are vector quantities? Linear acceleration Linear displacement Linear velocity All of these Linear acceleration Linear displacement Linear velocity All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A cable with a uniformly distributed load per horizontal meter run will take the following shape Hyperbola Elliptical Straight line Parabola Hyperbola Elliptical Straight line Parabola ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS