3-24. The ground resistance between the3-29. When determining the size of aground wire and the groundtransformer for a certain load, howdistribution neutral should read noshould you calculate the approximatemore than how many ohms?maximum demand load?1. 102. 253. 504. 663-25. Which of the following actions willlower ground resistance?1. Drive additional ground rods2. Connect additional ground rods inparallel3. Use larger ground rods4. All of the above3-26. Which of the following terminalmarkings is correct for a transformerwith additive polarity?1. H2H1-X1X22. H1H2-X2X13. Both 1 and 2 above4. H1H2-X1X23-27. Transformers larger than 100 kVA areusually mounted on which of thefollowing places?1. Pad or platform2. Pole below the secondary mains3. Pole above the secondary mains4. Cluster mount above the primarymains3-28. At what height above the base of thepole are ground wires required to becovered with plastic or wood molding?1. Divide the total maximumconnected load by the demandfactor2. Divide the demand factor by thetotal maximum connected load3. Multiply the total maximumconnected load by the demandfactor4. Multiply the total maximumconnected load by the power factor3-30. Power capacitors are used indistribution systems to supply whatelectrical factor?1. Capacitive reactance2. Inductive reactance3. Reactive voltamperes4. Impedance3-31. When voltage and current waves do nothave the same direction at the sameinstant they are said to be1. in phase2. out of phase3. lagging phase4. leading phase3-32. When current and voltage in a circuitrise and fall in value together, in thesame direction at the same instant,what is the power factor in that circuit?1. Zero2..753..804.1.01.6 feet2.8 feet3.10 feet4.12 feet20

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