Question 17 (a) Re PVD (b) Re pV Du (c) Re pD Vụ μνρ (d) Re (e) none of the above Question 18 What is the value of the Reynolds number of the pipe floW? (а) 523.67 (b) 191.48 (c) 826.32 (d) 2474.31 (e) 4206.55 Question 19: What is the value of the pipe friction factor f? (a) f=0.0372 (b) f=0.0113 (c) f=0.0492 (d) f=0.1261 (e) f=0.0775 Question 20: What is the head loss in the pipe due to friction? (a) hf = 45.3m (b) hf = 32.0m = 16.8m %3D (c) hf = (d) hf = 91.3m (e) hf = 27.9m %3D
Question 17 (a) Re PVD (b) Re pV Du (c) Re pD Vụ μνρ (d) Re (e) none of the above Question 18 What is the value of the Reynolds number of the pipe floW? (а) 523.67 (b) 191.48 (c) 826.32 (d) 2474.31 (e) 4206.55 Question 19: What is the value of the pipe friction factor f? (a) f=0.0372 (b) f=0.0113 (c) f=0.0492 (d) f=0.1261 (e) f=0.0775 Question 20: What is the head loss in the pipe due to friction? (a) hf = 45.3m (b) hf = 32.0m = 16.8m %3D (c) hf = (d) hf = 91.3m (e) hf = 27.9m %3D
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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can you help with the full workings out tor this question please? Correct answer is highlighted yellow

Transcribed Image Text:Question 17
(a) Re
PVD
(b) Re
pV
Du
pD
(c) Re
Vụ
(d) Re
µVp
%3D
D
(e) none of the above
Question 18
What is the value of the Reynolds number of the pipe flow?
(а) 523.67
(b) 191.48
(c) 826.32
(d) 2474.31
(е) 4206.55
Question 19:
What is the value of the pipe friction factor f?
(a) f=0.0372
(b) f=0.0113
(c) f=0.0492
(d) f=0.1261
(e) f=0.0775
Question 20:
What is the head loss in the pipe due to friction?
(a) hf = 45.3m
= 32.0m
(b) hf
(c) hf = 16.8m
(d) he = 91.3m
= 27.9m
%3D
%3D
(e) hf

Transcribed Image Text:average velocity of 0.9 m/s shown in Figure 4. The dynamic viscosity of water u = 1.307 ×
10-3 kg/m*s) For laminar flow the pipe friction factor f= 64 / Re.
Problem IV: Water is flowing steadily in a 0.12-cm-diameter, 17-m-long pipe at an
Water
foo D 0.12 cm
belsdi al W
0.9 m/s
6.01
me.rs=
Figure 4
Question 16:
What is the formula for the head loss due to friction in the pipe?
a) hf = f (D/L)(V²/2g)
b) he = f(L/D)(V/2g)
c) hf = f(D/L)(V /2g)
d) hr = f(L/D)(V²/2g)
e) None of the above
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