DEWALT HVAC Technician Certification
Exam Guide

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1. A motor has a power factor of .69, a voltage rating of 230 volts, 3-phase and an efficiency rating of 88% with an SF rating of 1.15. Which of these ratings relates to the phase angle between the current and the voltage?: Power factor; SF; Phase; Voltage

2. Zero pounds gauge corresponds on the absolute scale to:: 14.7; 144; 212; zero

3. Using a computer to track and record the consumption of electrical power is called:: Graphics; Trending; Totalization; Auditing

4. Which of the following is a natural result of combustion?: All of these; Water vapor; Carbon dioxide; Carbon monoxide

5. A mid-efficiency or high-efficiency furnace will not operate if:: The air filter is installed backwards; The indoor blower motor capacitor is wired into the wrong motor winding; The door switch is shorted closed; It is not grounded or the polarity is reversed

from: Christopherson. DEWALT HVAC Technician Certification Exam Guide, 2E Copyright 2008 Delmar Learning, a part of Cengage Learning, Inc. Reproduced by permission. cengage.com/permissions

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