Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factor which affects the critical speed of a shaft is Diameter of disc Eccentricity All of the listed here Span of shaft Diameter of disc Eccentricity All of the listed here Span of shaft ANSWER DOWNLOAD EXAMIANS APP
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.ω².CS All of these I.ω.(ω₁ - ω₂) 2.E.CS I.ω².CS All of these I.ω.(ω₁ - ω₂) 2.E.CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A ball and a socket forms a Rolling pair Screw pair Turning pair Spherical pair Rolling pair Screw pair Turning pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases linearly with time Decreases exponentially with time Increases exponentially with time Decreases linearly with time Increases linearly with time Decreases exponentially with time Increases exponentially with time Decreases linearly with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Whitworth quick return mechanism Rotary engine Elliptical trammels Universal joint Whitworth quick return mechanism Rotary engine Elliptical trammels Universal joint ANSWER DOWNLOAD EXAMIANS APP