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Steam Boilers, Engines, Nozzles and Turbines

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.

More
Less
None of these
Same

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve mainly used with locomotive and marine boilers is

Dead weight safety valve
Spring loaded safety valve
High steam and low water safety valve
Lever safety valve

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is not a boiler mounting?

Economiser
Feed check valve
Blow off cock
Fusible plug

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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
For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is

4/3 kg
8/3 kg
2 kg
1 kg

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