20° 120 тm P.
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
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.
Related questions
Question
A rectangular piece of wood, 50mm by 100mm in cross section, is used as a compression block
shown. Determine the axial force P that can be safely applied to the block if the compressive stress in
wood is limited to 25 MPa and the shearing stress parallel to the grain is limited to 10 MPa. The grain
makes an angle of 20° with the horizontal, as shown.
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