2. Thermodynamics

Power Cycles — Quiz

Test your understanding of power cycles with 5 practice questions.

Practice Questions

Question 1

In an ideal Brayton cycle, the net work output per unit mass flow is given by which expression?

Question 2

For an ideal Brayton cycle with pressure ratio $r_p=8$ and specific heat ratio $\gamma=1.4$, which of the following is the closest thermal efficiency?

Question 3

In a regenerative Brayton cycle, the regenerator effectiveness $\varepsilon$ is defined as which ratio?

Question 4

If in a regenerative Brayton cycle $T_{2}=600\,\mathrm{K}$, $T_{3}=1400\,\mathrm{K}$ and $\varepsilon=0.8$, what is the regenerator outlet temperature $T_{5}$?

Question 5

Which statement best describes the primary advantage of adding reheat to a Rankine cycle?