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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The safety valve on boiler drum compared to safety valve on superheater is set at

Lower value
Lower/higher depending on steam flow
Higher value
Same value

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks

0° to each other
90° to each other
None of these
180° to each other

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Steam Boilers, Engines, Nozzles and Turbines
Benson boiler requires

One drum
Two drums
Three drums
No drum

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam, as it flows over the blades in reaction turbine, represents

Throttling process
Isentropic process
Isothermal process
Free expansion process

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Steam Boilers, Engines, Nozzles and Turbines
The overall efficiency of thermal power plant is

Boiler efficiency, turbine efficiency, generator efficiency
Carnot cycle efficiency
Regenerative cycle efficiency
All the three above plus gas cycle efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Efficiency of a thermal cycle increases by

Both (A) and (B)
Reheating of steam
Cooling of steam
Regeneration

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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