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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
An economiser _________ the steam raising capacity of a boiler.

None of these
Has no effect on
Decreases
Increases

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Steam Boilers, Engines, Nozzles and Turbines
The specific heat of superheated steam in kcal/kg is generally of the order of

0.1
0.8
0.3
0.5

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Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Steam condenser
Mercury boiler
All of the listed here
Steam turbine

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Steam Boilers, Engines, Nozzles and Turbines
The number of flue tubes in Lancashire boiler is

Two
One
Four
Zero

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is not used in

Locomotive boiler
Cochran boiler
Cornish boiler
Lancashire boiler

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

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