Which SAE standard(s) must be referred to on the label of approved HFC-134a refrigerant recycling machines?
A. SAE J1988 or SAE J1627
B. SAE J1989 or SAE J2791
C. SAE J1990 or SAE J2297
D. SAE J2210 or SAE J2788
Answer: D. SAE J2210 or SAE J2788
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What preventative measures can be taken to help avoid disease and insect problems in houseplants?
What will be an ideal response?
Commercial refrigeration equipment for eggs, produce, and dairy uses:
A) Medium temperature evaporators. B) Low temperature evaporators. C) Ultra low temperature evaporators. D) High temperature evaporators.
Technician A states mufflers are no longer required on vehicles manufactured after 2010 and can be replaced with a straight exhaust pipes. Technician B states it is illegal to tamper with or modify emission control devices. Which technician is correct?
A. Technician A only. B. Technician B only. C. Both A and B. D. Neither A nor B.
A thermometer registered 85 degrees F, but the actual temperature was 90 degrees F. The percent error to the nearest tenth is ____________________%
Fill in the blank(s) with the appropriate word(s).