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/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases 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 Boyle's law Charles' law Gay Lussac’s law Joule's law Boyle's law Charles' law Gay Lussac’s law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The calorific value of gaseous fuel is expressed in kJ kJ/kg kJ/m3 kJ/m2 kJ kJ/kg kJ/m3 kJ/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Temperature of the gas All of these Pressure exerted by the gas Volume occupied by the gas Temperature of the gas All of these Pressure exerted by the gas Volume occupied by the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles is not a reversible cycle? Carnot Stirling None of the listed here Ericsson Carnot Stirling None of the listed here Ericsson ANSWER DOWNLOAD EXAMIANS APP
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