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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)

None of these
Increases
Remains constant
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power)

1/(I.P)
I.P.
1/(I.P)²
(I.P.)²

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is

Same
More
Less
Could be more or less depending on other factors

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Steam Boilers, Engines, Nozzles and Turbines
At which pressure the properties of water and steam become identical

0.1 kg/cm²
225.6 kg/cm²
100 kg/cm²
1 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called

Both (A) and (B)
Tandem type compound engine
Receiver type compound engine
Woolf type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter of a Locomotive boiler is

2 m
1.5 m
2.5 m
1 m

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