Determine the forces in all bars of the trusses. Indicate tension or compression.
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Shearing strength is measured in ____.
A. foot-pounds per square inch B. pounds per square inch C. pounds per linear inch D. foot-pounds per linear inch
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What is an air conditioning system's capacity in tons, if the supply air is moving through the 12" x 24" main supply duct at a velocity of 400 ft/min?
What will be an ideal response?
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What is the difference between a block diagram and a schematic diagram?
What will be an ideal response?
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Mixed format: 
(with a space between the whole number and the numerator)Fraction format: 
Reduce all fractions. An electrician uses 
feet of push-back wire from a 200-foot roll. How many feet of wire are left on the roll?
Fill in the blank(s) with the appropriate word(s).
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