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Resistance In Fluid System
Test Description: Principles of Tech
Instructions: Answer all questions to get your test result.
1) Fluid resistance increases as flow becomes ______.
A
turbulant
B
none of these
C
both of these
D
laminar
2) Fluid resistance is defined as the ratio of ___.
A
Qv*p
B
Qv-p
C
p/Qv
D
Qv/p
3) What are the English units for fluid resistance?
A
N/m^2
B
(lb/in^2)/(gal/min)
C
(N/m^2)/(m^3/sec)
D
lb/in^2
4) Which of these affects resistance?
A
all of these
B
type of fluid
C
length of pipe
D
inside surface
5) How thick or thin a liquid is.
A
conductivity
B
density
C
malleability
D
viscosity
6) If a pipe has a resistance of 0.25 units and a pressure drop of 5 units, what is the flow rate?
A
5+0.25
B
5/0.25
C
0.25/5
D
0.25*5
7) If a pipe has a resistance of 30 units and a flow rate of 3 units what is the pressure drop?
A
3/30
B
30/3
C
3*30
D
3+30
8) If a pipe has a flow rate of 10 and a pressure drop of 5 what is the resistance?
A
5*10
B
10/5
C
5+10
D
5/10
9) Which has the greatest reisistance?
A
a large clean pipe
B
a large dirty pipe
C
a small dirty pipe
D
a small clean pipe
10) Which has the greatest viscosity
A
alcohol
B
honey
C
water
D
milk
*select an answer for all questions
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