Types of unemployment:
A) Seasonal unemployment
B) Frictional unemployment
C) Structural unemployment
D) All of the above
D) All of the above
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The weight of the volume of water contained in piping or a fixture must be calculated to _____.
a. prevent bursting b. help determine installation costs c. be sure the piping or fixture is adequately supported d. meet code requirements
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What is the challenge of having loose or inadequate hanger systems in a water distribution system?
What will be an ideal response?
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When touching the gate of the SCR to the anode, the ohmmeter should indicate ____ through the SCR.
a. continuity b. leakage current c. polarization d. discontinuity
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Which pipe is most commonly used in radiant heating systems?
A. PEX B. PVC C. CPVC D. ABS
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