Q1. What is available energy (A. E.)a. Energy supplied to a cyclic heat engine
b. Maximum energy utilized to produce maximum work from a certain heat supplied to a cyclic heat engine
c. Minimum heat energy rejected to sink by second law
d. Maximum heat energy rejected to sink by second law
View Answer / Hide Answer ANSWER: b. Maximum energy utilized to produce maximum work from a certain heat supplied to a cyclic heat engine
Q2. What is unavailable energy (U. E.)a. Energy supplied to a cyclic heat engine
b. Maximum energy utilized to produce maximum work from a certain heat supplied to a cyclic heat engine
c. Minimum heat energy rejected to sink by second law
d. Maximum heat energy rejected to sink by second law
View Answer / Hide Answer ANSWER: c. Minimum heat energy rejected to sink by second law
Q3. What is the effect on exergy output of a process, when heat is transferred through a finite temperature difference?a. exergy output increases
b. exergy output decreases
c. exergy output remains same
d. none of the above
View Answer / Hide Answer ANSWER: b. exergy output decreases