Hydraulics

Question 1

What is the Hydraulic Radius equation (R)

Answer 1

R = A/P

Question 2

What is the Hydraulic Mean depth equation (Dm)

Answer 2

Dm = A/Bs

Question 3

When is Froudes number critical, sub critical and super critical?

Answer 3

subcritical F < 1
Critical F = 1
Supercritical F > 1

Question 4

What is the proportional depth of a pipe?

Answer 4

Y/Yfull
Then go to the table and get the proportional discharge Q/Qfull and velocity V/Vfull

Question 5

If the reynolds number is less than 500 what is the liquid flow?

Answer 5

Laminar

Question 6

If the reynolds number is greater than 2000 what is the liquid flow?

Answer 6

Turbulent

Question 7

For a hydraulic section how do you calculate Y

Answer 7

Y = Bs/2

Question 8

Equation for specific energy Es

Answer 8

Question 9

What is the equation for total energy?

Answer 9

Total energy = Datum + specific energy

Question 10

What is the critical depth?

Answer 10

Depth of flow where the point will have the lowest energy

Question 11

Y1 is?

Answer 11

before hydraulic jump

Question 12

Y2 is?

Answer 12

after the hydraulic jump

Question 13

If Y1 is less than Yc what is it?

Answer 13

Supercritical

Question 14

If Y2 is greater than Yc what is it?

Answer 14

Subcritical

Question 15

Critical depth equation

Answer 15

Question 16

When does a hydraulic jump occur?

Answer 16

When upsttream flow F > 1 Supercritical