"A continuous electric current of 2,000 amps is to be transmitted from a generator to a transformer located 200 feet away. A copper conductor can be installed for $5.8 per pound, will have an estimated life of 23 years, and can be salvaged for $0.8 per pound. Power loss from the conductor will be inversely proportional to the cross-sectional area of the conductor. The power loss in one hour may be expressed as 6.222/A kilowatt, where A is the cross-sectional area of the conductor in square inches. The cost of energy is $0.0781 per kilowatt-hour, the interest rate is 15%, and the density of copper is 555 pounds per cubic foot. Calculate the optimum cross-sectional area of the conductor. You should assume the conductor operates 24 hours a day, 365 days per year."
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1. (1 point) Select a conductor from the ACSR table capable of carrying 750 Amps of current at 75% load. 2. (2 point) Verify the cross-sectional area of ACSR Martin expressed in circular mils of aluminum. Determine the equivalent cross-sectional area in square meters. Characteristics of aluminum cable, steel, reinforced (Aluminum Company of America)- ACSR 07 07 07 07 TABLE A.4 08 Aluminum 08 1781 000 84 4 01456 19 00874 oa 08 08 08 900 000 50 400 9699...
.1 T-Mobile @ 100% E 8:43 PM Ascioly.org Score:___/100 2 of 8 Multiple Choice 1. What instrument should be used to measure the resistance in a cout? (1 point) A Ammeter B. Voltmeter C. Megohmmeter D.Ohmmeter 2. Ha 120-voit incandescent lamp is used at 140-volts, what will be the result? (1 point) A Decreased lamp efficiency C. A blown circuit fuse B. Shorter lamp lite D. Less than normal light 3. What is the measuring unit of capacity? (1 point)...