Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Pantograph Gyroscope Valve and valve gears All of these Pantograph Gyroscope Valve and valve gears 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) Iω² I ω ωP (1/2).Iω² (1/2). I ω ωP Iω² I ω ωP (1/2).Iω² (1/2). I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Permit relative motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Decreases linearly with time 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
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 Higher pair Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
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