Engineering Mechanics The centre of gravity of a uniform lamina lies at All of these The midpoint of its axis The bottom surface The centre of heavy portion All of these The midpoint of its axis The bottom surface The centre of heavy portion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are wrong Equal to the moment of the couple Both of above are correct Constant Both of above are wrong Equal to the moment of the couple Both of above are correct Constant 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 100 400 200 50 100 400 200 50 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. None of these Does not change Change Changes periodically None of these Does not change Change Changes periodically ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is 16 cm4 12 cm4 9 cm4 20 cm4 16 cm4 12 cm4 9 cm4 20 cm4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia is the Second moment of mass All of these Second moment of area Second moment of force Second moment of mass All of these Second moment of area Second moment of force ANSWER DOWNLOAD EXAMIANS APP