Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.55 0.4 0.5 0.3 0.55 0.4 0.5 0.3 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 a damped oscillatory motion None of these a rectilinear motion with constant speed a simple harmonic motion a damped oscillatory motion None of these a rectilinear motion with constant speed a simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The vertical reaction at the support ‘A’ of the structure shown in below figure, is 2 t 3 t 1 t 3.5 t 2 t 3 t 1 t 3.5 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is 2/√3 l l/√2 ¾ l ½ l 2/√3 l l/√2 ¾ l ½ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is (i) 5000 Nm (ii) 5000 kg.m (iii) 5000 J Only (ii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) Only (ii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2A, the energy becomes E/2 2E E 4E E/2 2E E 4E ANSWER DOWNLOAD EXAMIANS APP
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