Chemical Engineering Thermodynamics Sublimation temperature of dry ice (solid CO₂) is __________ °C. -78 0 -273 5 -78 0 -273 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific heat of a gas for a reversible adiabatic process is None of these Zero Infinity Negative None of these Zero Infinity Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Extensive properties of a thermodynamic system depend upon the __________ of the system. Mass Pressure Temperature Specific volume Mass Pressure Temperature Specific volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics After throttling, gas temperature Increases Decreases Remains same May increase or decrease ; depends on the nature of the gas Increases Decreases Remains same May increase or decrease ; depends on the nature of the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of the system decreases, when Both B & C Water is converted into ice Snow melts into water A gas expands spontaneously from high pressure to low pressure Both B & C Water is converted into ice Snow melts into water A gas expands spontaneously from high pressure to low pressure ANSWER DOWNLOAD EXAMIANS APP