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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Evaporative capacity of boiler is expressed as

Steam pressure produced
kg of steam produced per kg of fuel fifed
kg of steam produced
kg of fuel fired

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

Lancashire boiler
None of these
Yarrow boiler
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
While steam expands in turbines, theoretically the entropy

Increases
Remains constant
Decreases
Behaves unpredictably

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of reheat steam after passing through reheater compared to inlet condition is

Equal
May be more or less depending on capacity of reheater
More
Less

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Steam Boilers, Engines, Nozzles and Turbines
In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is

Very low
Low
Very high
High

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Steam Boilers, Engines, Nozzles and Turbines
When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a

None of the listed here
Medium speed steam engine
Slow speed engine
High speed steam engine

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