Chemical Engineering Thermodynamics Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. 327 300 540 270 327 300 540 270 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be Less More Data insufficient to predict Same Less More Data insufficient to predict Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₂/R1 T₂/(T₁-T₂) T₁/(T₁-T₂) T₁/T₂ T₂/R1 T₂/(T₁-T₂) T₁/(T₁-T₂) T₁/T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In jet refrigerators, the refrigerating fluid is practically always Ammonia Freon Brine Water Ammonia Freon Brine Water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. 0.5 1 0.25 0.75 0.5 1 0.25 0.75 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas. Half Same as Less than More than Half Same as Less than More than ANSWER DOWNLOAD EXAMIANS APP