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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A boiler in India should conform to safety regulations of

DIN
BS
ASTM
IBR

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Steam Boilers, Engines, Nozzles and Turbines
During polytropic process

All of these
Steam may be wet, dry or superheated after expansion
Heat transfer takes place across cylinder walls
Work is done

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of steam turbines may be improved by

Regenerative feed heating
Reheating of steam
Binary vapor plant
Any one of these

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Steam Boilers, Engines, Nozzles and Turbines
When steam after doing work in the cylinder passes into a condenser, the engine is said to be a

Condensing steam engine
Vertical steam engine
Non-condensing steam engine
Slow speed engine

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Steam Boilers, Engines, Nozzles and Turbines
Film boiling occurs at

Very high pressures
Medium pressures
Very low pressure
Atmospheric pressures

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat equivalent to brake power to the energy supplied in steam is known as

Indicated thermal efficiency
Overall efficiency
Mechanical efficiency
Brake thermal efficiency

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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