Engineering Mechanics A machine having an efficiency less than 50%, is known as Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics 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. This statement is known as 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 Newton's first law of motion None of these Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight of a projectile on downward inclined plane depends upon None of these Both (A) and (B) Angle of projection Angle of inclination of the plane None of these Both (A) and (B) Angle of projection Angle of inclination of the plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Strain energy Kinetic energy Electrical energy Heat energy Strain energy Kinetic energy Electrical energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The term 'Centroid' is The point of suspension None of the listed here The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis The same as centre of gravity The point of suspension None of the listed here The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis The same as centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is V.R./m m/V.R. 1/m 1/(m × V.R.) V.R./m m/V.R. 1/m 1/(m × V.R.) ANSWER DOWNLOAD EXAMIANS APP
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