Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ + r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ + r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair Higher pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called None of these Maximum fluctuation of speed Fluctuation of speed Coefficient of fluctuation of speed None of these Maximum fluctuation of speed Fluctuation of speed Coefficient of fluctuation of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which gear train is used for higher velocity ratios in a small space? Epicyclic gear train Simple gear train Reverted gear train Compound gear train Epicyclic gear train Simple gear train Reverted gear train Compound gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, centre of gravity of the cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, centre of gravity of the cam and cam speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to Any one of these Two lower pairs and two additional links One lower pair and two additional links Two lower pairs and one additional link Any one of these Two lower pairs and two additional links One lower pair and two additional links Two lower pairs and one additional link ANSWER DOWNLOAD EXAMIANS APP
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