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 Reversible None of these Ideal Non-reversible Reversible None of these Ideal Non-reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a body on reaching the ground from a height h, is √(gh) 2g.√h 2.√(gh) √(2gh) √(gh) 2g.√h 2.√(gh) √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα None of these tan(α + φ)/tanα tanα/tan (α + φ) tan(α - φ)/tanα None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia is the Second moment of force Second moment of area Second moment of mass All of these Second moment of force Second moment of area Second moment of mass All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. Directly Square root None of these Inversely Directly Square root None of these Inversely ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Kinetic energy None of these Potential energy Power Kinetic energy None of these Potential energy Power ANSWER DOWNLOAD EXAMIANS APP
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