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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be

282 kW
302 kW
260 kW
296 kW

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Steam Boilers, Engines, Nozzles and Turbines
In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

Chimney
Water space also
Steam space
Superheater

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Steam Boilers, Engines, Nozzles and Turbines
In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā‚‚) will be

3.3 bar
5.46 bar
8.2 bar
9.9 bar

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is generally placed between

Induced draft fan and forced draft fan
Last superheater or reheater and air preheater
Air preheater and chimney
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The chimney draught varies with

Temperature of furnace gases
Climatic conditions
Height of chimney
All of these

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Steam Boilers, Engines, Nozzles and Turbines
Locomotive boiler is of the following type

Internally fired
Horizontal
Multi tubular
All of the listed here

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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