Bernoullis principle for constant total energy of system - Hydraulics & Pneumatics

Q.  Which of the following statements is/are true according to Bernoulli's principle?

1. If a system has constant flow rate, change in cross-section area of the pipe affects the total energy of system
2. The change in cross-section has no effect on the total energy of the system and is constant if it has varying flow rate
3. A system has constant total energy, if flow rate is constant and change in cross-section has no effect on total energy

- Published on 17 Aug 15

a. Statement 1
b. Statement 2
c. Statement 3
d. all of the above

ANSWER: Statement 3

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