Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 / m 1 + m 1 - m m 1 / m 1 + m 1 - m m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is β/2 30° + β/2 45° + β/2 60° + β/2 β/2 30° + β/2 45° + β/2 60° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is None of these Non-reversible Ideal Reversible None of these Non-reversible Ideal Reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by P + Q Q / P P / Q P - Q P + Q Q / P P / Q P - Q ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? A force acting in the opposite direction to the motion of the body is called force of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied The ratio of the limiting friction to the normal reaction is called coefficient of friction A machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied The ratio of the limiting friction to the normal reaction is called coefficient of friction A machine whose efficiency is 100% is known as an ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The bodies which rebound after impact are called Elastic bodies Neither elastic nor inelastic bodies Inelastic bodies None of these Elastic bodies Neither elastic nor inelastic bodies Inelastic bodies None of these ANSWER DOWNLOAD EXAMIANS APP
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