Theory of Machine Which of the following statement is correct for involute gears? A convex flank is always in contact with concave flank. The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) v²BA /AB vBA × AB v²BA vBA /AB v²BA /AB vBA × AB v²BA vBA /AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called None of these Steam lap Exhaust lap Lead None of these Steam lap Exhaust lap Lead ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be Stable Isochronous Unstable Hunt Stable Isochronous Unstable Hunt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar Fc = a/r + b Fc = ar - b Fc = ar + b Fc = ar Fc = a/r + b Fc = ar - b Fc = ar + b 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 minimum length of the coupler will be 45 mm Slightly less than 45 mm Slightly more than 45 mm 95 mm 45 mm Slightly less than 45 mm Slightly more than 45 mm 95 mm ANSWER DOWNLOAD EXAMIANS APP