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Hey there, I built this website for students studying for tough tests. I think everyone should get education for free, so that's why I made this site. But now, the way Google ranks websites changed, and not many people are visiting here. I use money from Google ads to keep this site running, but with less visitors, it's hard to do that anymore. If you like this website and want it to keep going, can you help out? Any support you give would be really appreciated. Thanks a lot for considering it.


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Which of the following statement is correct relating to rocket engines?

A. The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel

B. The stagnation conditions exist at the combustion chamber

C. The exit velocities of exhaust gases are much higher than those in jet engine

D. All of the above

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