Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be less than 50% more than 50% equal to 100% more than 66.67% less than 50% more than 50% equal to 100% more than 66.67% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Involute Spiral Centroid Straight line Involute Spiral Centroid Straight line ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called Zero work Negative work Imaginary work Virtual work Zero work Negative work Imaginary work Virtual work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 16 m/sec 22 m/sec 18 m/sec 20 m/sec 16 m/sec 22 m/sec 18 m/sec 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is 0.57 0.44 0.67 0.33 0.57 0.44 0.67 0.33 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