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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Locomotive boiler is of the following type

Multi tubular
Horizontal
Internally fired
All of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbines are mostly used

Where low speeds are required
For small power purposes and low speeds
For large power purposes
For small power purposes and high speeds

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Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

0.2
1
0.6
0.8

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Cochran boiler usually have _________ diameter.

6.25 mm
92.5 mm
72.5 mm
62.5 mm

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of superheated tubes in a locomotive boiler is

31 mm
13 mm
230 mm
130 mm

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