Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a line or point contact when in motion Permit relative motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Permit relative motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁² - r₂²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to double the period of a simple pendulum, the length of the string should be Quadrupled Doubled None of these Halved Quadrupled Doubled None of these Halved 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 Lower pair Force-closed pair Higher pair Self-closed pair Lower pair Force-closed pair Higher pair Self-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, the fixed instantaneous centers are those centers which Moves as the mechanism moves, but joints are of permanent nature Vary with the configuration of the mechanism Remain in the same place for all configurations of the mechanism None of the listed here Moves as the mechanism moves, but joints are of permanent nature Vary with the configuration of the mechanism Remain in the same place for all configurations of the mechanism None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Backward Downward Upward Forward Backward Downward Upward Forward ANSWER DOWNLOAD EXAMIANS APP