

MCQOPTIONS
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1. |
Which of the following statements is correct for an ideal rocket? |
A. | All kinds of frictional effects are not present, but the boundary layer cannot be neglected |
B. | All discontinuities are not present, but shock waves are allowable |
C. | Propellant flow is steady but constant |
D. | The expansion of the working fluid is steady, but need not be uniform |
Answer» D. The expansion of the working fluid is steady, but need not be uniform | |