Theory of Machine When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be Unstable Hunt Stable Isochronous Unstable Hunt Stable Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Rolling pair Sliding pair Turning pair Cylindrical pair Rolling pair Sliding pair Turning pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is 45 mm Slightly less than 95 mm Slightly more than 95 mm 95 mm 45 mm Slightly less than 95 mm Slightly more than 95 mm 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Decreases First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Band and block brake Band brake Internal expanding brake Shoe brake Band and block brake Band brake Internal expanding brake Shoe brake ANSWER DOWNLOAD EXAMIANS APP