Engineering Thermodynamics The main cause for the irreversibility is Unrestricted expansion All of these Heat transfer with a finite temperature difference Mechanical and fluid friction Unrestricted expansion All of these Heat transfer with a finite temperature difference Mechanical and fluid friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency 2 43835 43834 Zero 2 43835 43834 Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to Vr J² T J Vr J² T J ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The behavior of super-heated vapour is similar to that of Perfect gas Air Ordinary gas Steam Perfect gas Air Ordinary gas Steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Possible, but with lot of sophistications Possible Impossible Feasible Possible, but with lot of sophistications Possible Impossible Feasible ANSWER DOWNLOAD EXAMIANS APP