Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 0° 90° 180° 360° 0° 90° 180° 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Less sensitive More sensitive Isochronous Unaffected of sensitivity Less sensitive More sensitive Isochronous Unaffected of sensitivity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar Fc = a/r + b Fc = ar - b Fc = ar + b Fc = ar Fc = a/r + b Fc = ar - b Fc = ar + b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam and follower is an example of Lower pair Higher pair Sliding pair Rolling pair Lower pair Higher pair Sliding pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Surface contact Point contact No contact None of these Surface contact Point contact No contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) cosφ - sinα = c/b tanφ + cotα = b/c sinφ + sinα = b/c cotφ - cotα = c/b cosφ - sinα = c/b tanφ + cotα = b/c sinφ + sinα = b/c cotφ - cotα = c/b ANSWER DOWNLOAD EXAMIANS APP
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