An aluminum [E = 10,000 ksi] control rod with a circular cross section must not stretch more than 0.37 in. when the tension in the rod is 2000 lb. If the diameter of the rod is 0.372 in., determine the maximum length of the rod. 239.0 in. O 127.7 in. 144.5 in. 188.9 in. O 201.1 in.

An aluminum [E = 10,000 ksi] control rod with a circular cross section must not stretch more than 0.37 in. when the tension in the rod is 2000 lb. If the diameter of the rod is 0.372 in., determine the maximum length of the rod. 239.0 in. O 127.7 in. 144.5 in. 188.9 in. O 201.1 in.

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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Question

An aluminum [E = 10,000 ksi] control rod with a circular cross section must not stretch more than 0.37 in. when the tension in the rod
is 2000 lb. If the diameter of the rod is 0.372 in., determine the maximum length of the rod.
239.0 in.
127.7 in.
O 144.5 in.
O 188.9 in.
O 201.1 in.

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