Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are correct Both of above are wrong Constant Equal to the moment of the couple Both of above are correct Both of above are wrong Constant Equal to the moment of the couple ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/4π 3r/ 8 8r/3 4r/ 3π 3r/4π 3r/ 8 8r/3 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is 1 Between 70 and 80% Between 60 and 70 % Between 80 and 90% 1 Between 70 and 80% Between 60 and 70 % Between 80 and 90% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is 8v 4v 2v v 8v 4v 2v v ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of restitution for inelastic bodies is Zero Between zero and one One More than one Zero Between zero and one One More than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ? 43865 43832 43892 43864 43865 43832 43892 43864 ANSWER DOWNLOAD EXAMIANS APP
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