Q1. What is the exergy of a system? a. The minimum work that can be extracted from a system till it reaches thermodynamic equilibrium with its surroundings
b. The maximum work that can be extracted from a system till it reaches thermodynamic equilibrium with its surroundings
c. The maximum entropy that can be increased in a system till it reaches thermodynamic equilibrium with its surroundings
d. none of the above
View Answer / Hide Answer ANSWER: b. The maximum work that can be extracted from a system till it reaches thermodynamic equilibrium with its surroundings
Q2. What is the effect on quality of the energy when it is conserved?a. the quality of the energy increases while conserving its quantity
b. the quality of the energy decreases while conserving its quantity
c. the quality of the energy remains same while conserving its quantity
d. none of the above
View Answer / Hide Answer ANSWER: b. the quality of the energy decreases while conserving its quantity
Q3. Which analysis/analyses is/are required to make energy conversion or energy conveying system more efficient? a. first law or energy analysis
b. second law or exergy analysis
c. both a. and b.
d. none of the above
View Answer / Hide Answer ANSWER: c. both a. and b.
