Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 30 10 20 34 30 10 20 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To dip the nose and raise the tail To raise the nose and tail To raise the nose and dip the tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and tail To raise the nose and dip the tail To dip the nose and tail 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 1/24 12 1/8 4/15 1/24 12 1/8 4/15 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Lower pairs Rolling pairs Higher pairs Turning pairs Lower pairs Rolling pairs Higher pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CS / 2CE W CE / 2CS W CE / CS 2 W CE / CS W CS / 2CE W CE / 2CS W CE / CS 2 W CE / CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ + r₂) (y/x) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (x/y) (r₁ + r₂) (y/x) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (x/y) ANSWER DOWNLOAD EXAMIANS APP
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