Engineering Thermodynamics Which of the following is the correct statement? All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The behavior of super-heated vapour is similar to that of Steam Perfect gas Air Ordinary gas Steam Perfect gas Air Ordinary gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon produces ___ kg of carbon dioxide. 4/11 11/3 11/7 3/7 4/11 11/3 11/7 3/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat at constant volume is The amount of heat required to raise the temperature of 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume Any one of the above The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure The amount of heat required to raise the temperature of 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume Any one of the above The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Characteristic gas constant of a gas is equal to Cp + Cv Cp - Cv Cv /Cp Cp /Cv Cp + Cv Cp - Cv Cv /Cp Cp /Cv ANSWER DOWNLOAD EXAMIANS APP
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