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 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy may be expressed as a function of All of these Pressure and temperature Temperature and volume Heat and work All of these Pressure and temperature Temperature and volume Heat and work 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 value of one bar (in S. I. units) is equal to 1 × 104 N/m2 1 × 105 N/m2 1 × 102 N/m2 1 × 103 N/m2 1 × 104 N/m2 1 × 105 N/m2 1 × 102 N/m2 1 × 103 N/m2 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, but with lot of sophistications Possible Feasible Impossible Possible, but with lot of sophistications Possible Feasible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Do not change Change None of these Both (A) and (B) Do not change Change None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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