Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 50 and 50 75 and 50 75 and 75 50 and 75 50 and 50 75 and 50 75 and 75 50 and 75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum displacement of a particle executing S.H.M. corresponds to Zero kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Maximum kinetic energy and maximum potential energy Zero potential energy and maximum kinetic energy Zero kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Maximum kinetic energy and maximum potential energy Zero potential energy and maximum kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of None of these One-half of the total height above base One-fourth of the total height above base One-third of the total height above base None of these One-half of the total height above base One-fourth of the total height above base One-third of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be P tan θ/2 2P cos θ/2 2P sin θ/2 P cos θ/2 P tan θ/2 2P cos θ/2 2P sin θ/2 P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 20 m 0.02 m 2.5 m 2 m 20 m 0.02 m 2.5 m 2 m 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 10 √5 m/sec 5 √10 m/sec 5 √3 m/sec 3 √5 m/sec 10 √5 m/sec 5 √10 m/sec 5 √3 m/sec ANSWER DOWNLOAD EXAMIANS APP
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