Engineering Mechanics A machine having an efficiency less than 50%, is known as Non-reversible machine Reversible machine Ideal machine Neither reversible nor non-reversible machine Non-reversible machine Reversible machine Ideal machine Neither reversible nor non-reversible machine 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 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 Reversible Ideal None of these Non-reversible Reversible Ideal None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Kinetic energy Heat energy Electrical energy Strain energy Kinetic energy Heat energy Electrical energy Strain energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a³/12 a⁴/12 a⁴/16 a²/8 a³/12 a⁴/12 a⁴/16 a²/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of force in S.I. system of units is Newton Dyne Watt Kilogram Newton Dyne Watt Kilogram ANSWER DOWNLOAD EXAMIANS APP