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 0.3 0.5 0.4 0.55 0.3 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/8d wl²/16d wl²/4d wl/4d wl²/8d wl²/16d wl²/4d wl/4d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A point Two straight lines A triangle A straight line A point Two straight lines A triangle A straight line ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is 2π √(α - θ) (1/2π) √(α/θ) 4π √(α/θ) 2π √(α/θ) 2π √(α - θ) (1/2π) √(α/θ) 4π √(α/θ) 2π √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by 0.12569444444444 0.043055555555556 0.084027777777778 0.042361111111111 0.12569444444444 0.043055555555556 0.084027777777778 0.042361111111111 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 3 √5 m/sec 5 √10 m/sec 10 √5 m/sec 5 √3 m/sec 3 √5 m/sec 5 √10 m/sec 10 √5 m/sec 5 √3 m/sec ANSWER DOWNLOAD EXAMIANS APP