What kind of expansion tank must be installed above the highest terminal unit?
A) Diaphragm type B) Open type
C) Closed type D) Pressure-relief type
B
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Hormone concentration levels are most commonly controlled by
A) positive feedback. B) the quantity of circulating hormone. C) negative feedback. D) cellular demands. E) body temperature.
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A duty cycle of 90% means that the alternator field current is off most of the time
A) True B) False
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Describe the three dimensions of color according to Munsell.
What will be an ideal response?
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What directs the flow of air from the evaporator throughout the trailer?
A. The evaporator fan. B. The chute. C. The reefer floor ducting. D. Both B and C direct air flow .
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