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 line or point contact when in motion Have a surface contact when in motion Permit relative motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Rolling pairs Turning pairs Higher pairs Lower pairs Rolling pairs Turning pairs Higher pairs Lower pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pitch point on a cam is The point on cam pitch curve having the minimum pressure angle The point on cam pitch curve having the maximum pressure angle Any point on pitch curve Any point on pitch circle The point on cam pitch curve having the minimum pressure angle The point on cam pitch curve having the maximum pressure angle Any point on pitch curve Any point on pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A universal joint is an example of Lower pair Rolling pair Sliding pair Higher pair Lower pair Rolling pair Sliding pair Higher pair 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). I ω ωP I ω ωP (1/2).Iω² Iω² (1/2). I ω ωP I ω ωP (1/2).Iω² Iω² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Five link mechanism Kinematic chain Roller cam mechanism Slider crank mechanism Five link mechanism Kinematic chain Roller cam mechanism Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
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