## Theory of Machine The arrangement is called bevel gearing, when two __________ are connected by gears.

Parallel and non-coplanar shafts
Intersecting and coplanar shafts
Non-intersecting and non-coplanar shafts
Parallel and coplanar shafts

## Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will

Oscillate with decreasing amplitude
Oscillate with constant amplitude
Oscillate with increasing time period

ω² × AB
ω × AB
ω × (AB)²
(ω × AB)²

## Theory of Machine In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will

All of the listed here
Reduce length of effective stroke of piston
Reduce maximum opening of port to steam
Cause withdrawing or throttling of steam

## Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called

None of these
Maximum fluctuation of energy
Fluctuation of energy
Coefficient of fluctuation of energy

## 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

Slightly less than 45 mm
95 mm
Slightly more than 45 mm
45 mm