If a flow is to be continuously accelerated from a subsonic to a super – McqOptions

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1.	If a flow is to be continuously accelerated from a subsonic to a supersonic velocity in nozzle,it must ......
A.	Be convergent
B.	Be divergent
C.	Have throat
D.	Have first divergent section and then convergent section
Answer» D. Have first divergent section and then convergent section

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