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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by

V = H'/2g
V = 2g H'
V = 2gH'
V = 2g/H'

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Steam Boilers, Engines, Nozzles and Turbines
The difference of supersaturated temperature and saturation temperature at that pressure is called

None of the listed here
Degree of superheat
Degree of super-saturation
Degree of under-cooling

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Steam Boilers, Engines, Nozzles and Turbines
An ideal regenerative cycle is

More than Carnot cycle
Less than Carnot cycle
Could be anything
Equal to Carnot cycle

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Steam Boilers, Engines, Nozzles and Turbines
The process of maintaining the speed of the turbine constant for various load conditions, is known as

Reheating
Governing
Bleeding
None of these

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a fire tube boiler?

Lancashire boiler
Babcock and Wilcox boiler
None of these
Yarrow boiler

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Steam Boilers, Engines, Nozzles and Turbines
The effect of friction in the nozzle ___ dryness fraction of steam.

None of the listed here
Decreases
Increases
Has no effect on

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