Question

A nozzle is said to be a convergent nozzle
A. when the cross-section of the nozzle increases continuously from entrance to exit
B. when the cross-section of the nozzle decreases continuously from entrance to exit
C. when the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit
D. none of the above

Answer 1

A nozzle is said to be a convergent nozzle when the cross-section of the nozzle decreases continuously from entrance to exit.

Cross section decreases then pressure and velocity increases.

Answer 2

◆Ekansh Nimbalkar◆
option B is the correct answer.......