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STEAM BOILERS, ENGINES, NOZZLES AND TURBINES

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

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

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

Fusible plug
Blow off cock
Feed check valve
Economiser

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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.

Equal to
None of these
Higher than
Less than

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

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

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

Coal gas
Water gas
Blast furnace gas
Producer gas

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