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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Water and sediment in fuel oil can be removed by

Heating the oil in the settling tanks
Burning the oil
Suspension
Cooling the oil in the settling tanks

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

35 m
57.5 m
79 m
24 m

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Steam Boilers, Engines, Nozzles and Turbines
Latent heat of dry steam at atmospheric pressure is equal to

539 BTU/ lb
539 kcal/ kg
100 kcal/ kg
427 kcal/ kg

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of brake power to the indicated power is known as

Brake thermal efficiency
Indicated thermal efficiency
Mechanical efficiency
Overall efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The compounding of turbines is done in order to

Improve efficiency
Reduce exit losses
All of these
Reduce speed of rotor

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Steam Boilers, Engines, Nozzles and Turbines
A single acting steam engine produces ___ power than that of double acting steam engine.

Double
Equal
Half
Four times

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