Example Exam Questions #3
CE2200/Fall 2000
1.
A hydraulic grade line shows the variation of ____
_
2.
In deriving the energy equation, the three types of energy which a fluid can possess are ____
_
3.
The distance between the centerline of a pipe and the hydraulic grade line is equal to __
___ .
4.
A Froude number can be interpreted as the ratio of what two types of forces?
5.
Give two benefits of using dimensional analysis, i.e., two reasons why dimensional analysis is
beneficial.
6.
If a physical problem has 5 significant independent dimensional variables which have a total of 2
dimensions, what is the number of required independent dimensionless variables for this problem?
Problem 1
0.12
m
3
/sec of jet fuel (s.g. =0.77) are flowing. Calculate the pump power. Take the head loss
between points 1 and 2 to be equal to
g
V
2
1
.
0
2
with V being the mean velocity inside the pipe after the
pump.
____________________________________________________________________
A model hydrofoil is tested in a water tunnel (i.e., a chamber completely filled with
water).
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 Spring '09
 DENG

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