1
GATE ME 2014 Set 4
Numerical
+2
-0
Steam with specific enthalpy $$\left( h \right)\,\,3214\,\,kJ/kg$$ enters an adiabatic turbine operating at steady state with a flow rate $$10kg/s.$$ As it expands, at a point where $$h$$ is $$2920$$ $$kJ/kg,$$ $$1.5$$ $$kg/s$$ is extracted for heating purposes. The remaining $$8.5kg/s$$ further expands to the turbine exit, where $$h=2374$$ $$kJ/kg$$. Neglecting changes in kinetic and potential energies, the net power output (in $$kW$$) of the turbine is __________.
Your input ____
2
GATE ME 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
Kaplan water turbine is commonly used when the flow through its runner is
A
axial and the head available is more than 100 m
B
axial and the head available is less than 10 m
C
radial and the head available is more than 100 m
D
mixed and the head available is about 50 m
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