Steam Boilers, Engines, Nozzles and Turbines
When the inlet pressure of steam is equal to the exit pressure, then

Fluid flows through the nozzle
There is a pressure drop in the nozzle
There is no pressure drop and fluid does not flow through the nozzle
Pressure drops and fluid flows through the nozzle

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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

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

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Steam Boilers, Engines, Nozzles and Turbines
The main object of a boiler trial is

To determine the thermal efficiency of the boiler when working at a definite pressure
All of these
To prepare heat balance sheet for the boiler
To determine the generating capacity of the boiler

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