Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% less than 50% more than 66.67% more than 50% equal to 100% less than 50% more than 66.67% more than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 50 and 50 75 and 50 50 and 75 75 and 75 50 and 50 75 and 50 50 and 75 75 and 75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is less than (2/3) tan 0 less than (2/3) sin 6 less than (1/3) tan 0 less than (1/3) sin 6 less than (2/3) tan 0 less than (2/3) sin 6 less than (1/3) tan 0 less than (1/3) sin 6 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The shape of a suspended cable for a uniformly distributed load over it is Catenary Circular Cubic parabola Parabolic Catenary Circular Cubic parabola Parabolic ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.50 0.25 0.75 1.0 0.50 0.25 0.75 1.0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body of weight ‘w’ placed on an inclined plane is acted upon by a force ‘P’ parallel to the plane which causes the body just to move up the plane. If the angle of inclination of the plane is ‘θ’ and angle of friction is ‘φ’, the minimum value of ‘P’, is w sinθ cos(θ - φ)/sin φ w sin (θ - φ)/cos φ w cos (θ + φ)/cos φ w sin (φ - θ)/cos φ w sinθ cos(θ - φ)/sin φ w sin (θ - φ)/cos φ w cos (θ + φ)/cos φ w sin (φ - θ)/cos φ ANSWER DOWNLOAD EXAMIANS APP
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