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STEAM BOILERS, ENGINES, NOZZLES AND TURBINES

Steam Boilers, Engines, Nozzles and Turbines
The effect of bleeding is that

All of these
Boiler is supplied with hot water
It increases the thermodynamic efficiency of the turbine
It decreases the power developed by the turbine

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is not a boiler mounting?

Blow off cock
Fusible plug
Economiser
Feed check valve

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.

Higher than
Equal to
Less than
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The heat balance sheet for the boiler shows the

Moisture present in the fuel
Steam formed by combustion of hydrogen per kg of fuel
All of these
Complete account of heat supplied by 1 kg of dry fuel and the heat consumed

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following gases has the highest calorific value?

Blast furnace gas
Coal gas
Water gas
Producer gas

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