How do you charge an R134a refrigerator with a cap tube system?
a. Weigh in the charge per the nameplate.
b. Charge to a 30° condenser split (25° for freezers).
c. Charge to a clear sight glass, proper condenser split, and 10° subcooling.
a. Weigh in the charge per the nameplate.
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When the service consultant enters the shop area, which is NOT a safety concern?
A. Wearing work shoes that prevent slipping on the floor B. Wearing safety glasses C. The technician work flow and efficiency D. Broken vehicles that are being repaired and may not function as expected
The most common manifold pressure for natural gas furnaces is
A) 4 inches wc B) 3.5 inches wc C) 11 inches wc D) 6 inches wc
Why are the spark plug wires on your car very thick on the outside?
A) The insulation must hold back thousands of volts. B) The wire must carry high current. C) Heavier wire is used to carry the high voltage. D) Thicker insulation is used to carry high current.
A technician is using a DVOM to measure a sensor's resistance. The DVOM is on a 20K scale. The display reads "4.651". Which value does this represent??
A. ?4,651 ohms B. ?465.1 ohms C. ?4.651 ohms D. ?93,020 ohms (4.651 x 20,000)