Engineering Thermodynamics
One kg of carbon monoxide requires 4/7 kg of oxygen and produces

8/3 kg of carbon monoxide gas
11/3 kg of carbon dioxide gas
11/7 kg of carbon dioxide gas
7/3 kg of carbon monoxide gas

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Engineering Thermodynamics
The efficiency of a gas turbine is given by

(Actual temperature drop)/(Isentropic temperature drop)
(Net work output)/(Work-done by the turbine)
(Net work output)/(Heat supplied)
(Isentropic increase in temperature)/(Actual increase in temperature)

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