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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.

More
None of these
Less
Same

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boilers is best suited to meet fluctuating demands?

Cochran
Babcock and Wilcox
Lancashire
Locomotive

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Steam Boilers, Engines, Nozzles and Turbines
The purpose of governing in steam turbines is to

Reduce the effective heat drop
Completely balance against end thrust
Maintain the speed of the turbine
Reheat the steam and improve its quality

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Steam Boilers, Engines, Nozzles and Turbines
A supercritical boiler is one that operates above the pressure and temperature of following values

1 kg/cm² and 100°C
100 kg/cm² and 540°C
218 kg/cm² abs and 540°C
218 kg/cm² abs and 373°C

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Steam Boilers, Engines, Nozzles and Turbines
In locomotive boiler, maximum steam pressure is limited to

1 kg/cm²
10 kg/cm²
5 kg/cm²
18 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of

10 atmospheres
40 atmospheres
30 atmospheres
20 atmospheres

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