Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. More than Less than None of these Same as More than Less than None of these Same as ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m - M) g c (m + M) g c/(m - M) g c/(m + M) g c (m - M) g c (m + M) g c/(m - M) g c/(m + M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Force-closed pair Self-closed pair Lower pair Higher pair Force-closed pair Self-closed pair Lower pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The variation in centre distance of shafts increases radial force. The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The variation in centre distance of shafts increases radial force. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis Above the origin At the origin Any one of these Below the origin Above the origin At the origin Any one of these Below the origin ANSWER DOWNLOAD EXAMIANS APP
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