1. Given that the transition Reynold's number for flow in a duct is 2300, the smallest pipe forlaminar flow for a 1L/s (10 m/s) flow isa) 10cmb) 20cmc) 30cmd) 40cme) 50cm2. A rectangular duct with a 10 cm x 20 cm cross section has a hydraulic diameter ofa) 10cmb) 13cmc) 15cmd) 20cme) 22cm

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Answered: 1. Given that the transition Reynold's…

1. Given that the transition Reynold's number for flow in a duct is 2300, the smallest pipe for laminar flow for a 1L/s (10 m/s) flow is a) 10cm b) 20cm c) 30cm d) 40cm e) 50cm

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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Concept explainers

Engineering Drawing

Technical drawing has been around since ancient times. As in the ancient Renaissance, complicated drawings were created, including Leonardo da Vinci's drawing. Modern engineering drawing, including its specific orthographic projection with scale conventions, began in Europe (France) during the early stages of Industrialization. L.T. C. Rolt also made some of Marc's drawings for its block-making machinery (in 1799) that also may have contributed significantly to British engineering technology. Since he learned the art of presenting three-dimensional(3D) items in a two-dimensional(2D) plane, as we now term mechanical drawing. 

Question

1. Given that the transition Reynold's number for flow in a duct is 2300, the smallest pipe for
laminar flow for a 1L/s (10 m/s) flow is
a) 10cm
b) 20cm
c) 30cm
d) 40cm
e) 50cm
2. A rectangular duct with a 10 cm x 20 cm cross section has a hydraulic diameter of
a) 10cm
b) 13cm
c) 15cm
d) 20cm
e) 22cm

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