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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Locomotive boiler has __________ diameter.

4.75 mm
7.45 mm
47.5 mm
5.47 mm

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

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

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Steam Boilers, Engines, Nozzles and Turbines
In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is

0.053 bar
0.067 bar
0.007 bar
0.06 bar

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Parson's reaction turbine is a __________ reaction turbine.

60 percent
50 percent
40 percent
70 percent

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Steam Boilers, Engines, Nozzles and Turbines
Superheating of steam is done at

Constant entropy
Constant pressure
Constant volume
Constant temperature

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