Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of All of these Load lifted to the effort applied Distance moved by effort to the distance moved by load Output to the input All of these Load lifted to the effort applied Distance moved by effort to the distance moved by load Output to the input ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then Q = R P = Q None of the listed here Q = 2R Q = R P = Q None of the listed here Q = 2R ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 400 100 50 200 400 100 50 200 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (2/3) Ml² (3/4) Ml² (1/12) Ml² (1/3) Ml² (2/3) Ml² (3/4) Ml² (1/12) Ml² (1/3) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr²/2 2mr²/5 2mr²/3 mr² mr²/2 2mr²/5 2mr²/3 mr² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of mass Moment of inertia Center of percussion Center of gravity Center of mass Moment of inertia Center of percussion Center of gravity ANSWER DOWNLOAD EXAMIANS APP
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