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% more than 66.67% equal to 100% less than 50% more than 50% more than 66.67% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is W sin θ W sec θ W cos θ W cosec θ W sin θ W sec θ W cos θ W cosec θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 8.75 kg 6.25 kg 10.5 kg 5.5 kg 8.75 kg 6.25 kg 10.5 kg 5.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is 10.8 t 10.4 t 10.6 t 10.2 t 10.8 t 10.4 t 10.6 t 10.2 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is 0.33 0.25 0.4 0.5 0.33 0.25 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A smooth cylinder lying on its convex surface remains In stable equilibrium In neutral equilibrium Out of equilibrium In unstable equilibrium In stable equilibrium In neutral equilibrium Out of equilibrium In unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
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