How many 4? × 8? sheets of plywood will be needed for a roof that measures 26? × 48??
a. 23
b. 30
c. 39
d. 44
c
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In a ____, a simple switch is used to control the power applied to a small motor.
a. one-wire control circuit b. two-wire control circuit c. three-wire control circuit d. tone-control circuit
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What is the supplement of 35o?
A. 325o B. 55o C. 45o D. 145o
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A bolt that is threaded into a casting is often called a ________
A) Stud B) Crest bolt C) Cap screw D) Block bolt
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Why are rounded tipped sheet metal screws used?
What will be an ideal response?
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