Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 0° and 90° 135° and 315° 90° and 180° 270° and 360° 0° and 90° 135° and 315° 90° and 180° 270° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 2 fn 8 fn 4 fn fn/2 2 fn 8 fn 4 fn fn/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Quick return mechanism of shaper Slider crank mechanism Four bar chain mechanism Both (A) and (C) above Quick return mechanism of shaper Slider crank mechanism Four bar chain mechanism Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases linearly with time Decreases linearly with time Increases exponentially with time Decreases exponentially with time Increases linearly with time Decreases linearly with time Increases exponentially with time Decreases exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. None of these Less than Same as More than None of these Less than Same as More than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The angle of inclination of the plane, at which the body begins to move down the plane is called Angle of repose Angle of friction None of these Angle of projection Angle of repose Angle of friction None of these Angle of projection ANSWER DOWNLOAD EXAMIANS APP