Engineering Mechanics The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is D / d D + d D × d D - d D / d D + d D × d D - d ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as Newton's second law of motion Newton's first law of motion Newton's third law of motion None of these Newton's second law of motion Newton's first law of motion Newton's third law of motion None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/6 mr²/2 mr²/4 mr²/8 mr²/6 mr²/2 mr²/4 mr²/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be Doubled Quadrupled Halved None of these Doubled Quadrupled Halved None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is 1/m 1/(m × V.R.) m/V.R. V.R./m 1/m 1/(m × V.R.) m/V.R. V.R./m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A redundant frame is also called __________ frame. Deficient None of these Imperfect Perfect Deficient None of these Imperfect Perfect ANSWER DOWNLOAD EXAMIANS APP
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