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 0.3 0.5 0.55 0.4 0.3 0.5 0.55 0.4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘μ’ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is μ 3μ 2μ ½μ μ 3μ 2μ ½μ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of 10 Newtons 5 Newtons 12 Newtons 8 Newtons 10 Newtons 5 Newtons 12 Newtons 8 Newtons 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 l/√2 ½ l 2/√3 l ¾ l l/√2 ½ l 2/√3 l ¾ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Velocity-time diagram Force-time diagram Force-displacement diagram Velocity-displacement diagram Velocity-time diagram Force-time diagram Force-displacement diagram Velocity-displacement diagram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction Original velocity in the opposite direction ANSWER DOWNLOAD EXAMIANS APP