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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required.

More
None of the listed here
Equal
Less

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Steam Boilers, Engines, Nozzles and Turbines
In an impulse turbine, steam expands

Partly in the nozzle and partly in blades
Wholly in nozzle
None of these
Wholly in blades

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Steam Boilers, Engines, Nozzles and Turbines
Sublimation region is the region where

Liquid and vapor phases are in equilibrium
Solid, liquid and vapor phases are in equilibrium
Solid and vapor phases are in equilibrium
Solid and liquid phases are in equilibrium

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

Condenser efficiency
Vacuum efficiency
Boiler efficiency
Nozzle efficiency

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Steam Boilers, Engines, Nozzles and Turbines
When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as

Natural circulation boiler
Forced circulation boiler
Externally fired boiler
Internally fired boiler

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Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Steam turbine
Steam condenser
Mercury boiler
All of the listed here

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