Engineering Thermodynamics The main cause for the irreversibility is All of these Unrestricted expansion Heat transfer with a finite temperature difference Mechanical and fluid friction All of these Unrestricted expansion 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 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it At a pressure greater than atmospheric pressure Any pressure At atmospheric pressure Not possible At a pressure greater than atmospheric pressure Any pressure At atmospheric pressure Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency depends upon Condition of engine Temperature range of operation Working condition Properties of the medium/substance used Condition of engine Temperature range of operation Working condition Properties of the medium/substance used ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Increases Decreases Remains constant None of these Increases Decreases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Either heat absorbed or heat rejected Heat absorbed Heat rejected None of the listed here Either heat absorbed or heat rejected Heat absorbed Heat rejected None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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