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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A condenser where circulating water flows through tubes which are surrounded by steam, in known as

Jet condenser
Barometric condenser
Evaporative condenser
Surface condenser

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Steam Boilers, Engines, Nozzles and Turbines
A condenser in a steam power plant

Reduces temperature of exhaust steam
Increases expansion ratio of steam
All of these
Reduces back pressure of steam

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Steam Boilers, Engines, Nozzles and Turbines
Superheating of steam is done at

Constant pressure
Constant temperature
Constant entropy
Constant volume

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Locomotive boiler has __________ diameter.

7.45 mm
5.47 mm
4.75 mm
47.5 mm

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Steam Boilers, Engines, Nozzles and Turbines
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

(h + hf1)/2257
(h - hf1)/2257
(h × hf1)/2257
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The steam leaves the nozzle at a

Low pressure and a high velocity
High pressure and a low velocity
High pressure and a high velocity
Low pressure and a low velocity

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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