How does the divergence angle vary along a bell-shaped nozzle? – McqOptions

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1.	How does the divergence angle vary along a bell-shaped nozzle?
A.	Sharply increases, then decrease
B.	Sharply decreases, then increase
C.	Remains constant for a while and then increases
D.	Remains constant for a while and then decreases
Answer» B. Sharply decreases, then increase

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