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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat equivalent to brake power to the energy supplied in steam is known as

Mechanical efficiency
Indicated thermal efficiency
Overall efficiency
Brake thermal efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Size of boiler tubes is specified by

Inside diameter and thickness
Outside diameter and inside diameter
Mean diameter and thickness
Outside diameter and thickness

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Steam Boilers, Engines, Nozzles and Turbines
The major axis of elliptical manholes on the shell should be provided

On dished end
Longitudinally
Anywhere
Circumferentially

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Steam Boilers, Engines, Nozzles and Turbines
The actual power generated in the engine cylinder is called

None of these
Frictional power
Brake power
Indicated power

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

None of the listed here
Decreases
Remains same
Increases

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

Locomotive boiler
Cochran boiler
Lancashire boiler
Babcock and Wilcox boiler

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