Engineering Mechanics The maximum efficiency of a lifting machine is 1/m V.R./m m/V.R. 1/(m × V.R.) 1/m V.R./m m/V.R. 1/(m × V.R.) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of displacement of a body is called Acceleration Momentum Velocity None of these Acceleration Momentum Velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 8r/3 3r/ 8 3r/4π 4r/ 3π 8r/3 3r/ 8 3r/4π 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Power is being transmitted Work is said to be done Body has kinetic energy of translation None of these Power is being transmitted Work is said to be done Body has kinetic energy of translation None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to kG2/h h × kG h2/kG h/kG kG2/h h × kG h2/kG h/kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile (R) on an upward inclined plane is 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α + β). cos α g. cos² β/2u². sin (α - β). cos α 2u². sin (α - β). cos α/g. cos² β 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α + β). cos α g. cos² β/2u². sin (α - β). cos α 2u². sin (α - β). cos α/g. cos² β ANSWER DOWNLOAD EXAMIANS APP