Theory of Machine In an open pair, the two elements of a pair Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, 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 A pulley and belt in a belt drive form a Turning pair Rolling pair Sliding pair Cylindrical pair Turning pair Rolling pair Sliding pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called None of these Coefficient of fluctuation of speed Maximum fluctuation of speed Fluctuation of speed None of these Coefficient of fluctuation of speed Maximum fluctuation of speed Fluctuation of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Screw Sliding Turning Rolling Screw Sliding Turning Rolling ANSWER DOWNLOAD EXAMIANS APP