Question:-
A two -stage compressor takes in air at 1.1 bars and discharges at 20 bars. For maximum efficiency, the intermediate pressure is
Option (A)
10.55 bars
Option (B)
7.33 bars
Option(C)
5.5 bars
Option(D)
4.7 bars
Correct Option:
(D)
Question Solution:
P2 = ÖP1P3 = Ö(20 x 1.10)
P2 = 4.7 bar
question-answer-faq-9569