Cavitation is an undesirable phenomenon that occurs in pumping systems. About cavitation in centrifugal pumps, analyze the following statements: I. The cavitation in centrifugal pumps depends only on the flow rate of the flowing fluid. II. The required NPSH must always be higher than available in order to avoid cavitation. III. The available NPSH (d) is related to the suction head and suction head losses. This one must be greater than the required NPSH(r) (or NPSH(a)), which is related to the equipment. IV. The larger the suction pipe, the less chance of cavitation occurring. It is correct what is stated in: ALTERNATIVES a) I, just. b) III, only. c) III and IV only. d) I, II and III only. e) I, II and IV only.
Cavitation is an undesirable phenomenon that occurs in pumping systems. About cavitation in centrifugal pumps, analyze the following statements: I. The cavitation in centrifugal pumps depends only on the flow rate of the flowing fluid. II. The required NPSH must always be higher than available in order to avoid cavitation. III. The available NPSH (d) is related to the suction head and suction head losses. This one must be greater than the required NPSH(r) (or NPSH(a)), which is related to the equipment. IV. The larger the suction pipe, the less chance of cavitation occurring. It is correct what is stated in: ALTERNATIVES a) I, just. b) III, only. c) III and IV only. d) I, II and III only. e) I, II and IV only.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Cavitation is an undesirable phenomenon that occurs in pumping systems. About cavitation in
centrifugal pumps, analyze the following statements:
I. The cavitation in centrifugal pumps depends only on the flow rate of the flowing fluid.
II. The required NPSH must always be higher than available in order to avoid cavitation.
III. The available NPSH (d) is related to the suction head and suction head losses. This one
must be greater than the required NPSH(r) (or NPSH(a)), which is related to the equipment.
IV. The larger the suction pipe, the less chance of cavitation occurring.
It is correct what is stated in:
ALTERNATIVES
a) I, just.
b) III, only.
c) III and IV only.
d) I, II and III only.
e) I, II and IV only.
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