Convergent divergent nozzles used in rocket engines have _________ area ratio.
A. higher
B. lower
C. optimum
D. none of the mentioned
Answer:A
Convergent divergent nozzles used in rocket engines have _________ area ratio.
A. higher B. lower C. optimum D. none of the mentioned
Explanation: Convergent divergent nozzles used in rocket engines have high pressure ratio.