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Karma
Past Exam for 057 020 - Fluid Mechanics with Stern at Iowa (UI)
Exam Information
| Material Type: | Exam 1 |
| Professor: | Stern |
| Class: | 057 020 - Fluid Mechanics |
| Subject: | Engineering Core Courses |
| University: | University of Iowa |
| Term: | Fall 2008 |
| Keywords: |
|
Sample Document Text
10/05/2008 Midterm 1 Review problem
057:020 Fall 2008
1. Shear stress
2. Hydrostatic pressure on a plane surface
10/05/2008 Midterm 1 Review problem
057:020 Fall 2008
3. Bernoulli equation
4. Fluid kinematics
10/05/2008 Midterm 1 Review problem
057:020 Fall 2008
Answer
1. Shear stress
10/05/2008 Midterm 1 Review problem
057:020 Fall 2008
2. Hydrostatic pressure on a plane surface
Illrorlllat iou :lud assuJupt ioJls
I)rovidctl in problem stnlement
Fiud
force P required to begin to open gntc
Soill tio"
The lel\gth of gale is J'I~ +:F = 5 III
,
F
Y~P - ii
Sum moments about hin /,.'C:
-
2.5 Ill + 5/,1 III
-
3.75 III
-
pA
- (,1/5)(3.75)(9,810)(2 x 5)
- 29·1,300 N
~
29·1.3 kN
~
I/(iiA)
~
2 x (5
3
/ 12)/ (3.75 x 2 x 5)
~
0.~5 m
L Mhin,.. = 0
Fx(2.5+.~5)+3P=0
29.1.3(3.W,) + 3P = 0
P - .'100 kN
10/05/2008 Midterm 1 ...
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