Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be Data insufficient; can't be computed 1160 580 640 Data insufficient; can't be computed 1160 580 640 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process. Isobaric Adiabatic Polytropic Isothermal Isobaric Adiabatic Polytropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is 300(35/7) 300(33/7) 300(32/7) 300(33/5) 300(35/7) 300(33/7) 300(32/7) 300(33/5) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It is exothermic It is isenthalpic It takes place isothermally It takes place at constant volume It is exothermic It is isenthalpic It takes place isothermally It takes place at constant volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Not have unduly high vapour pressure at the condenser temperature Both A and B Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Not have unduly high vapour pressure at the condenser temperature Both A and B Have low specific heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics After throttling, gas temperature Decreases May increase or decrease ; depends on the nature of the gas Increases Remains same Decreases May increase or decrease ; depends on the nature of the gas Increases Remains same ANSWER DOWNLOAD EXAMIANS APP