Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/12 bh3/8 bh3/4 bh3/36 bh3/12 bh3/8 bh3/4 bh3/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 7mr²/5 7mr²/3 2mr²/5 2mr²/3 7mr²/5 7mr²/3 2mr²/5 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The law of motion involved in the recoil of gun is Newton's first law of motion None of these Newton's third law of motion Newton's second law of motion Newton's first law of motion None of these Newton's third law of motion Newton's second law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is _________ the momentum of body having mass m2. Less than Equal to None of these Greater than Less than Equal to None of these Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load. More than Equal to None of these Less than More than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
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