Steam Boilers, Engines, Nozzles and Turbines
The function of a flywheel is

To convert rotary motion of the crankshaft into to and fro motion of the valve rod
To keep the engine speed uniform at all load conditions
To prevent fluctuation of speed
To convert reciprocating motion of the piston into rotary motion

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Steam Boilers, Engines, Nozzles and Turbines
Besides mean effective pressure, the data required to determine the indicated power of an engine include

Specific fuel consumption, speed of rotation and torque
Piston diameter, length of stroke and calorific value of fuel
Piston diameter, length of stroke and speed of rotation
Piston diameter, specific fuel consumption and Calorific value of fuel

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