Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) 1 - (T2/T1) 1 + (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 - (T2/T1) 1 + (T2/T1) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion Constant volume and constant pressure Isothermal and adiabatic Throttling Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of time in S.I. units is Second Minute Hour Day Second Minute Hour Day ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy may be expressed as a function of Heat and work All of these Temperature and volume Pressure and temperature Heat and work All of these Temperature and volume Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 9/7 11/4 11/7 7/4 9/7 11/4 11/7 7/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When gas is heated at constant pressure, the heat supplied is utilized in Doing some external work Increasing the internal energy of gas Increasing the internal energy of gas and also for doing some external work None of these Doing some external work Increasing the internal energy of gas Increasing the internal energy of gas and also for doing some external work None of these ANSWER DOWNLOAD EXAMIANS APP