Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Independent of Equal to Directly proportional to Inversely proportional to Independent of Equal to Directly proportional to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ + r₂) (x/y) (r₁ - r₂) (y/x) (r₁ - r₂) (x/y) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (y/x) (r₁ - r₂) (x/y) (r₁ + r₂) (y/x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The working depth of a gear is the radial distance from the Pitch circle to the top of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth Top of a tooth to the bottom of a tooth Pitch circle to the top of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth Top of a tooth to the bottom of a tooth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Both (A) and (B) above Difficult to manufacture Bulky Wears rapidly Both (A) and (B) above Difficult to manufacture Bulky Wears rapidly ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sensitiveness of the governor is defined as the ratio of the Sum of the maximum and minimum equilibrium speeds to the mean speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Mean speed to the maximum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Mean speed to the maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) 2π/ω π/ω ω × 2π ω/2π 2π/ω π/ω ω × 2π ω/2π ANSWER DOWNLOAD EXAMIANS APP