Date OBJECTIVE 222.1 WORKSHEET 1. Which of the following loads are considered to be on-linear? L computers IL HID lighti

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Date Objective 222 1 Worksheet 1 Which Of The Following Loads Are Considered To Be On Linear L Computers Il Hid Lighti 1 (49.86 KiB) Viewed 43 times

Date OBJECTIVE 222.1 WORKSHEET 1. Which of the following loads are considered to be on-linear? L computers IL HID lighting TIL electronic ballasts a. II only b. 1.11 & II c. 11 & 1ll only d. 1 & ll only 2. K-Rated non-linear load isolation transformers have Faraday shields that a. eliminate clectrical noise b. eliminate voltage spikes d neither a norb e. It only c. both a and 3. One symptom of problems in a system supplying power to non-linear loads is overheated neutral conductors. a. True b False 4. Linear loads produce a current waveform that a. does not conform with the applied voltage waveform. b. is in phase 5. Non-linear load isolation transformers are available with double-sise neutrals. a. True bi False 6. Non-linear loads supplied from a system would require the installation of an HMT or K-Rated transformer. I. 120/240-V.30.4W 11. 277/480-V.30.4W FIL 120/208-V, 30, 4W a. I only c. II & III only e. I. II & III b. II only d. III only 7. Non-linear load isolation transformers are specified when high levels of are present a. radiation c. electromagnetic interference b. harmonie current 8. are manufactured with neutrals that are twice the size of a normal transformer. a. Non-linear load isolation transformers c. Low voltage lighting transformers d. None of these b. Buck-boost transformers 9. A transformer with a K rating of should be used for computer rooms. b. 20 a. 1 can be used to supply a panelboard that serves only linear load: 10. A transformer with a rating of d. 13 b. 20 a. 1 c. both a and b d. neither a norb 11. Which of the following are non-linear loads? a. HID lighting b. variable frequency motor drives 12. Which of the following are harmonic triplens? a. 9 b. 3 d. 15 e all of these c. 21