HVAC Electrical Basic Practice Test - # 8 -7/7/17 Exam Questions And Answers
HVAC Electrical Basic Practice Test - # 8 -7/7/17 Exam Questions And Answers All electrical installations must meet the ______________ : a. NEC b. ASHRAE c. NFPA d. OSHA - ANS NEC In a three phase supply system, each phase is ___________ with each other: a. 45 degrees b. 180 degrees c. 90 degrees d. 120 degrees - ANS 120 degrees In which of the following energy is stored in the form of magnetic filled : a. capacitor b. resistance c. inductor d. impedance - ANS inductor The Locked Rotor Current (LRC) of a single phase motor is about ____________ of full load current of the motor : a. 2 to 3 times
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hvac electrical basic practice test 8 7717
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