Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella More inclined when moving More inclined when standing Less inclined when standing Less inclined when moving More inclined when moving More inclined when standing Less inclined when standing Less inclined when moving 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 Non-coplanar non-concurrent forces are those forces which Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane None of these Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ √(gra/h) Equal to Less than Greater than None of these Equal to Less than Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of displacement of a body is called Velocity Momentum None of these Acceleration Velocity Momentum None of these Acceleration ANSWER DOWNLOAD EXAMIANS APP
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