The ____ break line is a heavy, irregular line drawn freehand.
A. phantom
B. cutting
C. long
D. short
Answer: D
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Air is heated from 20ºC to 827ºC. The error in the enthalpy change assuming a constant specific heat Cp:
A) 4.5% B) 5.5% C) 6.5% D) 7.5%
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What is the minimum width of support straps used to hang flexible ducts?
a. 1/4 inch b. 1 inch c. 1-1/2 inches d. 2 inches
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Powder-actuated tools require the use of __________________.
A. safety glasses B. hearing protection C. leather gloves D. a and b
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A graduated cylinder and small open flame can be used to test for alcohol content in gasoline
Indicate whether the statement is true or false
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