GATE ME 2017 Set 2 — Question 43

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MCQ+2 / -0.67MediumZeroth & First LawsLaws & PropertiesThermodynamics

Thermodynamics → Laws & Properties → Zeroth & First Laws

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A calorically perfect gas (specific heat at constant pressure 1000 J/kgK1000\text{ J/kg}\cdot\text{K}) enters and leaves a gas turbine with the same velocity. The temperatures of the gas at turbine entry and exit are 1100 K1100\text{ K} and 400 K400\text{ K}, respectively. The power produced is 4.6 MW4.6\text{ MW} and heat escapes at the rate of 300 kJ/s300\text{ kJ/s} through the turbine casing. The mass flow rate of the gas (in kg/s\text{kg/s}) through the turbine is
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