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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

Surface condenser
Barometric condenser
Evaporative condenser
Jet condenser

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Steam Boilers, Engines, Nozzles and Turbines
Which is not correct statement about pulverized fuel firing?

Fuel burns economically
Heat release can be easily controlled
High burning rate is possible
It is the best technique for burning high ash content fuel having low fusion ash

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Steam Boilers, Engines, Nozzles and Turbines
The balanced draft furnace is one using

Induced draft fan and chimney
Forced draft fan and chimney
Induced draft fan and forced draft fan
Any one of the above

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the isentropic heat drop to the heat supplied, is called

Internal efficiency
Rankine efficiency
Stage efficiency
Reheat factor

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Steam Boilers, Engines, Nozzles and Turbines
A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion.

180°
90°
270°
60°

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Steam Boilers, Engines, Nozzles and Turbines
The value of diagram factor depends upon

Initial pressure of steam
Back pressure
Initial conditions of steam
All of these

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