Education > QUESTIONS and ANSWERS > UNIT 32 OIL HEAT EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ (All)
UNIT 32 OIL HEAT EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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If a technician inspects the interior of a combustion chamber and finds large quantities of unburned oil, he would correctly conclude that ____. a. The nozzle may be too small. b. The stack switch... may be defective. c. The primary control unit may be defective. d. Both b and c are correct. Answer : D A special tool has been designed to help remove and install nozzles from the burner. It is called a nozzle wrench and it ____. a. has an outer wrench that holds the burner in place, while the in [Show More]
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