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 Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon All of these Nature of surfaces Area of contact Shape of the surfaces All of these Nature of surfaces Area of contact Shape of the surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Upwards None of these Horizontal Downwards Upwards None of these Horizontal Downwards 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. None of these Directly proportional Inversely proportional Cube root None of these Directly proportional Inversely proportional Cube root ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 30° + β/2 β/2 45° + β/2 60° + β/2 30° + β/2 β/2 45° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tanα/tan (α + φ) 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 ANSWER DOWNLOAD EXAMIANS APP