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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler works on a forced circulation of water?

All of these
Benson boiler
Loeffler boiler
Lamont boiler

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Steam Boilers, Engines, Nozzles and Turbines
The flow of steam is supersonic

In the convergent portion of the nozzle
In the divergent portion of the nozzle
At the throat of the nozzle
At the entrance to the nozzle

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Steam Boilers, Engines, Nozzles and Turbines
The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced.

Decreases
Remains same
Increases
None of the listed here

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

Condenser
Air extraction pump
Condensate pump
All of these

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Steam Boilers, Engines, Nozzles and Turbines
Cochran boiler is a

Horizontal water tube boiler
Horizontal fire tube boiler
Vertical water tube boiler
Vertical fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
When the nozzle operates with the maximum mass flow, the nozzle is said to be

Over-damping
None of these
Under-damping
Choked

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