fluids

Question 1

thermal efficiencies

Answer 1

O: Qin Qout using T= cv -> eff = 1-(1/r^k-1)
D: = Qin Qout using T cv/cp -> eff = 1-(1/r^k-1)
B: = Qin Qout using T cp -> eff = 1-(1/r^(k-1)/k)

Question 2

Qin and Qout

Answer 2

Qin = () T3-T2 = h3-h2
Qout = () T4-T1 = h4-h1