Overhead service-drop conductors must have a horizontal clearance of __ from a pool. A. 6 ft B. 10 ft C. 8 ft D. 4 ft
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A: consider the given question;
Overhead service-drop conductors must have a horizontal clearance of __ from a pool.
A. 6 ft B. 10 ft
C. 8 ft D. 4 ft
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- The minimum point of attachment of the service-drop conductors to a building must in no case be less than above finished grade. A. 8 ft B. 10 ft C. 12 ft D. 15 ftH2. A/An _______ is an insulating tube or sleeve that protects an electrical conductor where it passesthrough a hole.A. expansion fittingB. couplingC. gland nutD. bushing H3. Conductors that are larger than AWG size 8 will come only as a/an _______ conductor.A. aluminumEnd of examB. coveredC. solidD. stranded- Loads, Service, and Overcurrent Protection 6.a. The general lighting load is based on a _______ per square foot basis.A. kilowattB. number of circuitsC. volt-ampereD. general illumination6.b. What's the primary disadvantage of using copper conductors?A. AvailabilityB. WeightC. CostD. Durability
- 3. The three bus-bar conductors in an outdoor sub-station are supplied by units ofpost insulators. Each unit consists of a stack of 3-pin insulators fixed one on the top of the other. The voltage across the lowest insulator is 8-45 kV and that across the next is 7-25 kV. Find the bus-bar voltage of the station. [38-8 kV]The course is power transmission system and the topic is Underground cables. Question : pressure cable are of two types. (i) oil filled cables. (ii) gas pressure cables What is the difference between two? Which one is good? Kindly explain the difference in detailIn an overhead system, the basis of comparison is the maximum voltage between conductor and ground. Why ?
- 1.a. Which of the following is suitable as an equipment grounding conductor so long as it does so under morerestrictive conditions?A. Electrical metallic tubingB. Flexible metal conduitC. Rigid metal conduitD. Armored cable1.b. When rigid or intermediate metal conduit is installed in a hazardous location, it must be engaged by_______ threads into each connection.A. 4B. 3C. 2D. 5list the material required for overhead service connection4 Describe the various methods of laying underground cables. What are the relative advantages anddisadvantages of each method?
- Employ Kirchhoff’s Laws to analyze the circuit given below. Use corresponding variables I1 to I5as label to branch currents passing through R1 to R5, respectively. For horizontally orientedresistances, assume branch currents directed to the right. For vertically oriented resistances,assume branch currents pointed downwards. Fill in the blanks provided below the circuit. KVL equations:a. ________________________________________________________________________b. ________________________________________________________________________c. ________________________________________________________________________KCL equations:d. ________________________________________________________________________e. ________________________________________________________________________Branch currents:I1 = ______________________I2 = ______________________I3 = ______________________I4 = ______________________I5 = ______________________Pls help me answer this . DC Voltage has ______ polarityStarting from the Core to the Serving, the proper order of the layers of the Underground Cable is O A. CORE, CONDUCTOR SHIELD, INSULATION, METALLIC SHIELD, INSULATION SHIELD, BEDDING, ARMORING, AND SERVING. O B. CORE, CONDUCTOR SHIELD, INSULATION, INSULATION SHIELD, METALLIC SHIELD, BEDDING, ARMORING, AND SERVING. OC. CORE, INSULATION SHIELD, INSULATION, CONDUCTOR SHIELD, METALLIC SHIELD, BEDDING, ARMORING, AND SERVING. O D. CORE, CONDUCTOR SHIELD, INSULATION, INSULATION SHIELD, METALLIC SHIELD, ARMORING, BEDDING, AND SERVING.