Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. None of these Greater than Equal to Less than None of these Greater than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity āvā is made to strike the second ball. Both the balls after impact will move with a velocity v/4 v v/2 v/8 v/4 v v/2 v/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be Halved None of these Doubled Quadrupled Halved None of these Doubled Quadrupled ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The wheels of a moving car possess Potential energy only Kinetic energy of rotation only Kinetic energy of translation only Kinetic energy of translation and rotation both Potential energy only Kinetic energy of rotation only Kinetic energy of translation only Kinetic energy of translation and rotation both 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
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