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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In forced circulation steam boilers, the force is applied

To draw water
All of these
To drain off the water
To circulate water

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Steam Boilers, Engines, Nozzles and Turbines
Steam turbines may be classified according to

Mode of steam action
All of these
Number of stages
Direction of steam flow

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Steam Boilers, Engines, Nozzles and Turbines
Expanding steam to a very low pressure (high vacuum) in steam engines is

Uneconomical
Desirable
Essential
Economical

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Steam Boilers, Engines, Nozzles and Turbines
Cut-off governing of steam engines is a method of controlling the engine output by varying

Pressure of intake steam
All of these
Temperature of intake steam
Volume of intake steam

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve usually employed with stationary boilers is

All of the listed here
Lever safety valve
High steam and low water safety valve
Dead weight safety valve

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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-third
One-fourth
Two-fifth
One-half

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