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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The specific heat of superheated steam in kcal/kg is generally of the order of

0.3
0.5
0.1
0.8

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Steam Boilers, Engines, Nozzles and Turbines
A wet vapor can be completely specified by

Dryness fraction only
Pressure only
Temperature only
Pressure and dryness fraction

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Steam Boilers, Engines, Nozzles and Turbines
The working pressure range for a LaMont boiler is

2.5 to 15 MN/m²
0.5 to 10 MN/m²
1 to 15 MN/m²
3.5 to 20 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of

40 atmospheres
20 atmospheres
10 atmospheres
30 atmospheres

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Steam Boilers, Engines, Nozzles and Turbines
With increase in load, convection superheater has

Linear characteristic
Rising characteristic
Drooping characteristic
Flat characteristic

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Steam Boilers, Engines, Nozzles and Turbines
A device used to increase the temperature of saturated steam without raising its pressure, is called

Superheater
Stop valve
Blow off cock
Fusible plug

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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