If a nozzle has an optimum expansion ratio of 9, determine the nozzle – McqOptions

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1.	If a nozzle has an optimum expansion ratio of 9, determine the nozzle cone exit diameter for a throat diameter of 15 mm.
A.	30 mm
B.	135 mm
C.	45 mm
D.	90 mm
Answer» D. 90 mm

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