Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Virtual work Negative work None of these Imaginary work Virtual work Negative work None of these Imaginary work ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/3 g/4 g/5 g/2 g/3 g/4 g/5 g/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? Both reach the bottom simultaneously with equal rotational energy at bottom Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Sphere with lesser rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Sphere with lesser rotational energy at bottom than cylinder ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 8.88 m/sec 5.88 m/sec 10.88 m/sec 12.88 m/sec 8.88 m/sec 5.88 m/sec 10.88 m/sec 12.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length / 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 rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is 1.5 m/sec 0.5 m/sec 1.0 m/sec 2.5 m/sec 1.5 m/sec 0.5 m/sec 1.0 m/sec 2.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
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