Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be 2 cos α ½ sin α ½ cos α ½ tan α 2 cos α ½ sin α ½ cos α ½ tan α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is u² sin 2α/2g u² sin² α/2g u² cos² α/2g u² tan² α/2g u² sin 2α/2g u² sin² α/2g u² cos² α/2g u² tan² α/2g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Funicular polygon closes Both force polygon" and funicular polygon close All the forces are concurrent Force polygon closes Funicular polygon closes Both force polygon" and funicular polygon close All the forces are concurrent Force polygon closes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Must be increased Is not changed but weight of the bob is increased Is not changed but weight of the bob is decreased Must be decreased Must be increased Is not changed but weight of the bob is increased Is not changed but weight of the bob is decreased Must be decreased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be Less than 60% More than 50% None of these 0.5 Less than 60% More than 50% None of these 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The intrinsic equation of catenary is y = c cosh x/c y = c sinh ψ S = c tan ψ y = c cosh ψ y = c cosh x/c y = c sinh ψ S = c tan ψ y = c cosh ψ ANSWER DOWNLOAD EXAMIANS APP