Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] I.ω.(ω₁ - ω₂) 2.E.CS All of these I.ω².CS I.ω.(ω₁ - ω₂) 2.E.CS All of these I.ω².CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tan (α - φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) (1/2).Iω² (1/2). I ω ωP Iω² I ω ωP (1/2).Iω² (1/2). I ω ωP Iω² I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Torsional vibrations Transverse vibrations Longitudinal vibrations None of these Torsional vibrations Transverse vibrations Longitudinal vibrations None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G.I₂ G².I₂ I₂/G I₂/G² G.I₂ G².I₂ I₂/G I₂/G² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction gives a graphic construction for Four bar chain mechanism Velocity polygon Slider-crank mechanism Acceleration polygon Four bar chain mechanism Velocity polygon Slider-crank mechanism Acceleration polygon ANSWER DOWNLOAD EXAMIANS APP