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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The discharge is __________ at critical pressure.

Maximum
Minimum
Zero
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell.

One-fourth
One-half
Two-fifth
One-third

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Steam Boilers, Engines, Nozzles and Turbines
The performance of a boiler is measured by the

Steam produced in kg/h
All of the listed here
Steam produced in kg/kg of fuel burnt
Amount of water evaporated per hour

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a water tube boiler?

Lancashire boiler
Cochran boiler
Locomotive boiler
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure.

None of these
Higher than
Equal to
Lower than

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Steam Boilers, Engines, Nozzles and Turbines
A wet vapor can be completely specified by

Pressure and dryness fraction
Temperature only
Pressure only
Dryness fraction only

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