Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at An infinite distance on the plane surface The point of contact The point on the circumference situated vertically opposite to the contact point The center of the disc An infinite distance on the plane surface The point of contact The point on the circumference situated vertically opposite to the contact point The center of the disc 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 1/8 12 4/15 1/24 1/8 12 4/15 1/24 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of dwell of cam is defined as the angle Of rotation of the cam for definite displacement of the follower During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for definite displacement of the follower During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels All four pairs are turning Two pairs turning and two pairs sliding Three pairs turning and one pair sliding One pair turning and three pairs sliding All four pairs are turning Two pairs turning and two pairs sliding Three pairs turning and one pair sliding One pair turning and three pairs sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 30°-40° 25°-30° 15°-25° 10°-15° 30°-40° 25°-30° 15°-25° 10°-15° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Moderate speed Highs peed Slow speed Any one of these Moderate speed Highs peed Slow speed Any one of these ANSWER DOWNLOAD EXAMIANS APP
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