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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The process of maintaining the speed of the turbine constant for various load conditions, is known as

Reheating
Bleeding
Governing
None of these

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is generally placed between

None of these
Induced draft fan and forced draft fan
Air preheater and chimney
Last superheater or reheater and air preheater

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Steam Boilers, Engines, Nozzles and Turbines
The missing quantity per stroke is equal to

Cylinder feed + indicated mass of steam
Mass of cushion steam + cylinder feed
Mass of cushion steam + indicated mass of steam
Cylinder feed indicated mass of steam

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following are boiler accessories?

Superheater
Economizer
Both (A) and (B)
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The average value of diagram factor lies between

0.5 to 0.65
0.65 to 0.9
0.2 to 0.5
0.8 to 1.2

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Steam Boilers, Engines, Nozzles and Turbines
The cylinder condensation or missing quantity may be reduced by

All of these
Superheating the steam supplied to the engine cylinder
The efficient steam jacketing of the cylinder walls
Keeping the expansion ratio small in each cylinder

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