GATE ME 2017 Set 2 — Question 42
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Thermodynamics → Power Cycles → Rankine, Reheat & Regenerative
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Question
In the Rankine cycle for a steam power plant the turbine entry and exit enthalpies are and , respectively. The enthalpies of water at pump entry and exit are and , respectively. The specific steam consumption (in kg/kW.h) of the cycle is ___________
Correct answer
3.5 to 3.7
Solution
Given:
Turbine entry enthalpy,
Turbine exit enthalpy,
Pump entry enthalpy,
Pump exit enthalpy, Turbine work,
Pump work, Net work output, Specific steam consumption (SSC) is given by:The specific steam consumption of the cycle is .
Turbine entry enthalpy,
Turbine exit enthalpy,
Pump entry enthalpy,
Pump exit enthalpy, Turbine work,
Pump work, Net work output, Specific steam consumption (SSC) is given by:The specific steam consumption of the cycle is .
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