Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W cosecθ W sinθ W tanθ W cosθ W cosecθ W sinθ W tanθ W cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed Varies inversely with the square of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed Varies inversely with the square of the speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Gyroscope Pantograph Valve and valve gears All of these Gyroscope Pantograph Valve and valve gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ½μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is At 45° to PO Perpendicular to PO None of the listed here Along PO At 45° to PO Perpendicular to PO None of the listed here Along PO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) None of these m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ m₁ r₂ = m₂ r₁ None of these m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ m₁ r₂ = m₂ r₁ ANSWER DOWNLOAD EXAMIANS APP