Given the two-dimensional velocity field V = 2 xi+5yj, where x is in cm, and V is in cm/s, what is the volumetric strain rate? O751 O 4 (cm-s)-1 x 4 (cm-s)-1 x+ 25 (cm-s)-1 y O 14 (cm-s)1 x QUESTION 8 If a steady flow of water enters a nozzle with an entry diameter of 8 cm at a speed of 20 cm/s, and leaves the nozzle with a speed of 120 cm/s, what is the exit diameter of the nozzle?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Given the two-dimensional velocity field V = 2 xi+ 5 yj, where x is in cm, and V is in cm/s, what is the volumetric strain rate?
O751
4 (cm-s)-1 x
4 (cm-s)-1 x+ 25 (cm-s)*1 y
O 14 (cm-s)1 x
QUESTION 8
If a steady flow of water enters a nozzle with an entry diameter of 8 cm at a speed of 20 cm/s, and leaves the nozzle with a speed of 120
cm/s, what is the exit diameter of the nozzle?
3.27 сm
1.33 cm
0.75 cm
1.84 cm
10.7 cm
Transcribed Image Text:Given the two-dimensional velocity field V = 2 xi+ 5 yj, where x is in cm, and V is in cm/s, what is the volumetric strain rate? O751 4 (cm-s)-1 x 4 (cm-s)-1 x+ 25 (cm-s)*1 y O 14 (cm-s)1 x QUESTION 8 If a steady flow of water enters a nozzle with an entry diameter of 8 cm at a speed of 20 cm/s, and leaves the nozzle with a speed of 120 cm/s, what is the exit diameter of the nozzle? 3.27 сm 1.33 cm 0.75 cm 1.84 cm 10.7 cm
Expert Solution
Step 1

Solution

solution  of above question are following

Step 2

(i) solution

two dimensional velocity field 

V= 2xi+5yj

We know

V=ui+vj

u= 2x,  v=5y

volumetric strain

V= u/x + v/y

V=2+5

V=7 s-1

 

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