If oil is not returning to the compressor, a possible cause is _____
a. poorly designed refrigerant piping
b. oil viscosity
c. incorrect refrigerant type
d. that the oil is too miscible
a
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Is it desirable to assign priority to traffic in a MANET? Explain.
What will be an ideal response?
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How are impurities removed from biodiesel?
a. washing in water c. gelling b. secondary combustion d. freezing
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One advantage of planting in the spring is:
a. reduced root growth c. drier soil b. more stable weather conditions d. reduced threat of rodent damage
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Typically, an air-conditioning (cooling) system requires an airflow through the evaporator of ____ cfm per 12,000 Btu/h capacity.
A. 340 B. 360 C. 400 D. 420
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