Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is Iω Iω2 0.5 Iω2 0.5 Iω Iω Iω2 0.5 Iω2 0.5 Iω 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 P / Q Q / P P - Q P + Q P / Q Q / P P - Q ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be 2g g/2 √2.g g 2g g/2 √2.g g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Ideal machine Neither reversible nor non-reversible machine Non-reversible machine Reversible machine Ideal machine Neither reversible nor non-reversible machine Non-reversible machine Reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be 1 Greater than 50% Equal to 50% Less than 50% 1 Greater than 50% Equal to 50% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is πN/60 πN/180 2πN/60 2πN/180 πN/60 πN/180 2πN/60 2πN/180 ANSWER DOWNLOAD EXAMIANS APP
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