Applied Mechanics and Graphic Statics A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is 43834 43864 43924 43894 43834 43864 43924 43894 ANSWER DOWNLOAD EXAMIANS APP
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% more than 50% less than 50% equal to 100% more than 66.67% more than 50% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is None of these A simple harmonic motion A rectilinear motion with constant speed A damped oscillatory motion None of these A simple harmonic motion A rectilinear motion with constant speed A damped oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces acting on a rigid body can be reduced to One force only One force and one couple only None of these One couple only One force only One force and one couple only None of these One couple only ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The member which does not carry zero force in the structure shown in below figure, is BD DC ED BC BD DC ED BC ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was 0.5 m/sec² 0.7 m/sec² 1 m/sec² 1 cm/sec² 0.5 m/sec² 0.7 m/sec² 1 m/sec² 1 cm/sec² ANSWER DOWNLOAD EXAMIANS APP