Theory of Machine The main disadvantage of the sliding pair is that it is Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Wilson Hartnell governor Inertia governor Hartung governor Pickering governor Wilson Hartnell governor Inertia governor Hartung governor Pickering governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 4/15 1/24 1/8 12 4/15 1/24 1/8 12 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 = a/r + b Fc = ar + b Fc = ar - b Fc = ar Fc = a/r + b Fc = ar + b Fc = ar - b Fc = ar ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable. Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A straight line A point Two lines A triangle A straight line A point Two lines A triangle ANSWER DOWNLOAD EXAMIANS APP