Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be less than 50% more than 50% more than 66.67% equal to 100% less than 50% more than 50% more than 66.67% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be 25 m/sec 10 m/sec 15 m/sec 20 m/sec 25 m/sec 10 m/sec 15 m/sec 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics M.I. of solid sphere, is Mr² ⅔ Mr² πr4/2 ½ Mr² Mr² ⅔ Mr² πr4/2 ½ Mr² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by The diagonal of the parallelogram which passes through the point of intersection of the forces The diagonal of the parallelogram which does not pass through the point of intersection of the forces Its shorter side Its longer side The diagonal of the parallelogram which passes through the point of intersection of the forces The diagonal of the parallelogram which does not pass through the point of intersection of the forces Its shorter side Its longer side ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Free body diagram is an Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with internal forces acting on it Isolated joint with only body forces acting on it None of these Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with internal forces acting on it Isolated joint with only body forces acting on it None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is 4/5 5/3 3/4 3/5 4/5 5/3 3/4 3/5 ANSWER DOWNLOAD EXAMIANS APP
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