Engineering Mechanics An ideal machine is one whose efficiency is Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of work in S.I. units is Newton joule kg-m erg Newton joule kg-m erg ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ? 43864 43865 43892 43832 43864 43865 43892 43832 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 + m 1 - m m 1 / m 1 + m 1 - m m 1 / m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of displacement of a body is called Velocity Momentum None of these Acceleration Velocity Momentum None of these Acceleration ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. Directly Inversely Square root None of these Directly Inversely Square root None of these ANSWER DOWNLOAD EXAMIANS APP
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