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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The height of chimney in a power plant is governed by

Quantity of flue gases to be handled
The draft to be created
Limitation of construction facilities
Control of pollution

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Steam Boilers, Engines, Nozzles and Turbines
The function of injector used in small capacity boilers is to

Inject chemical solution in feed pump
Create vacuum
Pump water, similar to boiler feed pump
Add make up water in the system

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Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are limited to a maximum working pressure of

1.7 MN/m²
0.17 MN/m²
17 MN/m²
170 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
The length of shell of a Locomotive boiler is

3 m
4 m
2 m
1 m

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Steam Boilers, Engines, Nozzles and Turbines
The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as

Bleeding
None of these
Regenerative heating
Reheating of steam

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Steam Boilers, Engines, Nozzles and Turbines
Water tube boilers are

Internally fired
Internally as well as externally fired
None of these
Externally fired

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