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Enthalpy of Combustion

In a steam tu...

Question

In a steam turbine, the enthalpy drops in the fixed blade and moving blades are 48 kJ and 32 kJ respectively. The degree of reaction is:

A

60%

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B

40%

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C

66.6%

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D

55%

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Solution

The correct option is B 40%
$Degree of reaction$

$= \frac{{(Δ h)}_{m o v i n g}}{{(Δ h)}_{m o v i n g} + {(Δ h)}_{f i x e d}} = \frac{32}{48 + 32} = 0.40 o r 40 %$

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