Theory of Machine In a pantograph, all the pairs are Turning pairs Sliding pairs Self-closed pairs Spherical pairs Turning pairs Sliding pairs Self-closed pairs Spherical pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cross head and guides form a Lower pair Higher pair Turning pair Sliding pair Lower pair Higher pair Turning pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed First increases and then decreases Decreases Remain unaffected Increases First increases and then decreases Decreases Remain unaffected Increases 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. Two-third Three times One-third Double Two-third Three times One-third Double ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a surface contact when in motion Permit relative motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Permit relative motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion ANSWER DOWNLOAD EXAMIANS APP
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