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Steam Boilers, Engines, Nozzles and Turbines

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

Locomotive boiler
Cornish boiler
Lancashire boiler
Cochran boiler

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of flue tube in a Cornish boiler is _________ that of the shell.

One-fourth
One-third
Two-fifth
Three-fifth

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is required for a steam condensing plant?

Air extraction pump
Condensate pump
Condenser
All of these

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Steam Boilers, Engines, Nozzles and Turbines
Proximate analysis of fuel is determination of percentage of

Lower calorific value
Higher calorific value
Fixed carbon, ash, volatile matter, moisture
Carbon, hydrogen, nitrogen, sulphur, moisture

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Steam Boilers, Engines, Nozzles and Turbines
The working pressure range for a LaMont boiler is

1 to 15 MN/m²
0.5 to 10 MN/m²
2.5 to 15 MN/m²
3.5 to 20 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
The factor of evaporation for all boilers is always

None of these
Equal to unity
Greater than unity
Less than unity

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