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 The ratio of limiting friction and normal reaction is known as Angle of friction Angle of repose Coefficient of friction Sliding friction Angle of friction Angle of repose Coefficient of friction Sliding friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys. Second None of these Third First Second None of these Third First 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 Non-reversible Ideal Reversible None of these Non-reversible Ideal Reversible None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to Newton's first law of motion, None of these To every action, there is always an equal and opposite reaction Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts None of these To every action, there is always an equal and opposite reaction Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the radius of the load drum Increasing the length of the handle Increasing the number of teeth of the pinion All of these Increasing the radius of the load drum Increasing the length of the handle Increasing the number of teeth of the pinion All of these ANSWER DOWNLOAD EXAMIANS APP
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