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. 270 300 540 327 270 300 540 327 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the Both listed here None of these Process must be isobaric Temperature must decrease Both listed here None of these Process must be isobaric Temperature must decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Becomes zero Equals 1 kcal/kmol °K Becomes infinity Equals 0.24 kcal/kmol °K Becomes zero Equals 1 kcal/kmol °K Becomes infinity Equals 0.24 kcal/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as P + F - C = 2 C = P - F + 2 F = C - P - 2 P = F - C - 2 P + F - C = 2 C = P - F + 2 F = C - P - 2 P = F - C - 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Have low specific heat Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Have low specific heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is Less pronounced Equal Data insufficient, can't be predicted More pronounced Less pronounced Equal Data insufficient, can't be predicted More pronounced ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS