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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The rate of steam produced in Benson boiler is

135 tonnes/h
250 tonnes/h
100 tonnes/h
175 tonnes/h

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Steam Boilers, Engines, Nozzles and Turbines
The Locomotive boiler has

137 fire tubes and 44 superheated tubes
157 fire tubes and 24 superheated tubes
147 fire tubes and 34 superheated tubes
167 fire tubes and 14 superheated tubes

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Steam Boilers, Engines, Nozzles and Turbines
In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,

Pressure remains constant
Velocity remains constant
Velocity decreases
Velocity increases

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Steam Boilers, Engines, Nozzles and Turbines
During storage, the heating value of coal

Increases
Remain constant
May increase or decrease depending upon the method of storage
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boilers is best suited to meet fluctuating demands?

Cochran
Lancashire
Locomotive
Babcock and Wilcox

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Steam Boilers, Engines, Nozzles and Turbines
The basic job of feed water treatment in boilers is to overcome the problem of

Corrosion
All of these
Scale
Carryover

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