Question:-
For oblique shock, the downstream mach number
Option (A)
Is always more than unity
Option (B)
Is always less than unity
Option(C)
May be less than or more than unity
Option(D)
Can never be unity
Correct Option:
(C)
Question Solution:
If M > 1, then weak shock wave
If M < 1, then strong shock wave
question-answer-faq-5938