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 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at Zero pressure Vacuum Centre of earth 273°K Zero pressure Vacuum Centre of earth 273°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Impossible Possible Feasible Possible, but with lot of sophistications Impossible Possible Feasible Possible, but with lot of sophistications ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant Joule's law Gay Lussac’s law Boyle's law Charles' law Joule's law Gay Lussac’s law Boyle's law Charles' law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process All of the listed here There is no change in internal energy There is no change in enthalpy There is no change in temperature All of the listed here There is no change in internal energy There is no change in enthalpy There is no change in temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy Remain constant Increases Decreases First increases and then decreases Remain constant Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP