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 Ideal Reversible None of these Non-reversible Ideal Reversible None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.) t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α - β) t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α + β) t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α - β) t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α + β) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is D/(D - d) 2D/(D - d) 2D/(D + d) D/(D + d) D/(D - d) 2D/(D - d) 2D/(D + d) D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum velocity of a particle moving with simple harmonic motion is ω ω/r ω2r ωr ω ω/r ω2r ωr ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The law of motion involved in the recoil of gun is None of these Newton's first law of motion Newton's second law of motion Newton's third law of motion None of these Newton's first law of motion Newton's second law of motion Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
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