Steam Boilers, Engines, Nozzles and Turbines
The theoretical indicator diagram of a simple steam engine is based upon the assumption that

All of these
The expansion (or compression) of the steam is hyperbolic
There is no pressure drop due to condensation
Steam is admitted at boiler pressure and exhausted at condenser pressure

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP