Q104
A nozzle is a device, which
A.
Increases kinetic energy and decreases pressure
AnswerB.
Reduces kinetic energy and increases pressure
C.
Reduces both kinetic energy and pressure
D.
Increases both kinetic energy and pressure
Answer: Option A
Solution
Answer: Option A
Solution:
Usually a nozzle is an converging duct so along the flow the area decreases so, by continuity we can say velocity increases when velocity increases (kinetic energy increases) we can say pressure decreases by bernoulli equation.