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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Reheating of steam under ideal conditions takes place at constant

Pressure
Entropy
Temperature
Enthalpy

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Steam Boilers, Engines, Nozzles and Turbines
At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is

Zero
Maximum
Depends on temperature also
Minimum

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Steam Boilers, Engines, Nozzles and Turbines
The length of Lancashire boiler varies from

7.25 to 9 m
6 to 7 m
5 to 6 m
9 to 10 m

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Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are limited to a maximum working pressure of

17 MN/m²
0.17 MN/m²
170 MN/m²
1.7 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks

90° to each other
None of these
0° to each other
180° to each other

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Steam Boilers, Engines, Nozzles and Turbines
The latent heat of steam with increase of pressure

Increases
Decreases
Behaves unpredictably
Remain same

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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