[4b] Following four cross-sections have the same cross sectional area and are made of same material. Which of them is the most efficient and which of them is least efficient section respectively. * (a) (b) (c) (d)

[4b] Following four cross-sections have the same cross sectional area and are made of same material. Which of them is the most efficient and which of them is least efficient section respectively. * (a) (b) (c) (d)

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter42: Heat Gains And Heat Losses In Structures

Section: Chapter Questions

Problem 10RQ: If the R-value of a construction material is 2.0, what isits U-value? A. 0.25 B. 0 50 C. 1.0 D. 2.0

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

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[4b] Following four cross-sections have the same cross sectional area and are
made of same material. Which of them is the most efficient and which of them is
least efficient section respectively. *
(a)
(b)
(c)
(d)
O a and b
O c and a
O b and a
O c and d
O None of the above

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