Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% more than 66.67% less than 50% more than 50% equal to 100% more than 66.67% less than 50% more than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are 1346.3 kN and 1250 kN 1436.2 kN and 1500 kN 1346.3 kN and 1500 kN 1436.2 kN and 1250 kN 1346.3 kN and 1250 kN 1436.2 kN and 1500 kN 1346.3 kN and 1500 kN 1436.2 kN and 1250 kN ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be None of these Zero 5 m/sec 10 m/sec None of these Zero 5 m/sec 10 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the incorrect statement from the following. In a simple harmonic motion Velocity is minimum at the end of the stroke Velocity is maximum at its mean position Acceleration is minimum at the end of the stroke Acceleration is zero at the mean position Velocity is minimum at the end of the stroke Velocity is maximum at its mean position Acceleration is minimum at the end of the stroke Acceleration is zero at the mean position ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is πd⁴/16 πd⁴/24 πd⁴/32 π/64 (D⁴ + d⁴) πd⁴/16 πd⁴/24 πd⁴/32 π/64 (D⁴ + d⁴) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is π/32 (D⁴ + d⁴) π/32 (D⁴ × d⁴) π/64 (D⁴ + d⁴) π/32 (D⁴ - d⁴) π/32 (D⁴ + d⁴) π/32 (D⁴ × d⁴) π/64 (D⁴ + d⁴) π/32 (D⁴ - d⁴) ANSWER DOWNLOAD EXAMIANS APP