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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as

Injector
Feed pump
Pressure gauge
Feed check valve

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Steam Boilers, Engines, Nozzles and Turbines
If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by

Separating calorimeter
Combined separating and throttling calorimeter
Throttling calorimeter
Bucket calorimeter

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Steam Boilers, Engines, Nozzles and Turbines
The evaporation of 15.653 kg of water per hour from and at 100°C is called

One boiler h.p.
Factor of evaporation
Evaporative capacity
Equivalent evaporation

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called

Receiver type compound engine
Woolf type compound engine
None of these
Tandem type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler varies from

5 to 7.5 m
7 to 9 m
2 to 4.5 m
3 to 5 m

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Steam Boilers, Engines, Nozzles and Turbines
The natural draught is produced by

Steam jet
Both (A) and (B)
Chimney
Centrifugal fan

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