(1) In circular pipe flow of diameter (D), the maximum discharge is most likely to occur at the following depth: (1) D (2) 0.5 D (3) 2D (4) 0.95 D (5) 0.75 D (ii) Given the area (4) of a rectangular cross sectional flow = 3 m², and the wetted perimeter (P) is 5 m then the hydraulic radius (Ra) is. and conveyance (K) of the cross section is (1) 0.6 , 2.134 (2) 1.667, 15 (3) 1.2, 1.068 (4) 0.6, 1.5 (5) 1.667, 2.134 (ii) If the flow in a pipe is laminar and the Reynolds number is 1000, then the friction factor is approximately (1) 0.064 (2) 0.128 (3) 0 (4) 1 (5) Infinity (6) 1000

(1) In circular pipe flow of diameter (D), the maximum discharge is most likely to occur at the following depth: (1) D (2) 0.5 D (3) 2D (4) 0.95 D (5) 0.75 D (ii) Given the area (4) of a rectangular cross sectional flow = 3 m², and the wetted perimeter (P) is 5 m then the hydraulic radius (Ra) is. and conveyance (K) of the cross section is (1) 0.6 , 2.134 (2) 1.667, 15 (3) 1.2, 1.068 (4) 0.6, 1.5 (5) 1.667, 2.134 (ii) If the flow in a pipe is laminar and the Reynolds number is 1000, then the friction factor is approximately (1) 0.064 (2) 0.128 (3) 0 (4) 1 (5) Infinity (6) 1000

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Numerical Calculations

In the mid-20th century, the availability and the growth in power of digital computers led to the increase in the mathematical model in the field of engineering and science. The analysis of these detailed models needs to be increased.

Question

Select correct answers

(1) In circular pipe flow of diameter (D), the maximum discharge is most likely to occur at the
following depth:
(1) D
(2) 0.5 D
(3) 2D
(4) 0.95 D
(5) 0.75 D
(ii) Given the area (4) of a rectangular cross sectional flow = 3 m², and the wetted perimeter (P) is 5 m
then the hydraulic radius (Ra) is.
and conveyance (K) of the cross section is
(1) 0.6 , 2.134
(2) 1.667, 15
(3) 1.2, 1.068
(4) 0.6, 1.5
(5) 1.667, 2.134
(ii) If the flow in a pipe is laminar and the Reynolds number is 1000, then the friction factor is
approximately
(1) 0.064
(2) 0.128
(3) 0
(4) 1
(5) Infinity
(6) 1000

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