Engineering Mechanics The maximum mechanical advantage of a lifting machine is m 1 - m 1 + m 1 / m m 1 - m 1 + m 1 / m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball None of these The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball None of these The change in momentum suffered by rubber ball is less than the lead ball ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is 2D/(D - d) 2D/(D + d) D/(D - d) D/(D + d) 2D/(D - d) 2D/(D + d) D/(D - d) D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of limiting friction and normal reaction is known as Sliding friction Coefficient of friction Angle of repose Angle of friction Sliding friction Coefficient of friction Angle of repose Angle of friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A pendulum which executes one beat per second is known as Simple pendulum Compound pendulum Torsional pendulum Second's pendulum Simple pendulum Compound pendulum Torsional pendulum Second's pendulum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of Mechanical advantage to the velocity ratio All of these Work done by the machine to the work done on the machine Output to the input Mechanical advantage to the velocity ratio All of these Work done by the machine to the work done on the machine Output to the input ANSWER DOWNLOAD EXAMIANS APP