Theory of Machine A spring controlled governor is said to be unstable when the controlling force Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Increases as the radius of rotation increases Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Increases as the radius of rotation increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Pickering governor Wilson Hartnell governor Hartung governor Inertia governor Pickering governor Wilson Hartnell governor Hartung governor Inertia governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension. Double One-third Two-third Three times Double One-third Two-third Three times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the Tip of the gear tooth and flank of pinion Flanks of both gear and pinion Tip of the pinion and flank of gear Tip of both gear and pinion Tip of the gear tooth and flank of pinion Flanks of both gear and pinion Tip of the pinion and flank of gear Tip of both gear and pinion ANSWER DOWNLOAD EXAMIANS APP
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 In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Greater than unity Zero Equal to unity Less than unity Greater than unity Zero Equal to unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS