Geothermal heat pumps use the ____________________ or ____________________ as a heat source or a heat sink.
Fill in the blank(s) with the appropriate word(s).
Earth, Earth's water
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Technician A says that a cheater bar is an easy way to apply more torque to loosen a fastener. Technician B says that a cheater bar may cause a socket to shatter. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
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Why are diagnostic codes not always able to identify the system problem?
What will be an ideal response?
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Figure 10-1 The letter I in Figure 10-1 means the controller ____.
A. performs an integral function B. has an indicator
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Dimension lines are thin lines broken at the dimension and ending with ____.
A. circles B. arrowheads C. dashes D. squares
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