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Chapter 4: Q1MCQ (page 220)

Question:ACSR stands for

(a) Aluminum-clad steel conductor

(b) Aluminum conductor steel supported

(c) Aluminum conductor steel reinforced

Short Answer

Expert verified

Answer

The correct option is (c) Aluminum conductor reinforced.

Step by step solution

01

Define the term ACSR

One of the commonly used conductor is aluminum conductor, steel reinforced (ACSR). It is composed of aluminum strands layers which is surrounded by core which is made of steel strands.

02

Draw the conclusion 

It is generally the most easily manufactured conductor and usually made in long lengths.

This conductors have a very high strength-to-weight ratio because of use of the steel strands in its core.

Thus the ACSR stands for Aluminum conductor steel reinforced. Hence the correct option (c).

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Most popular questions from this chapter

For bundled-conductor configurations, the expressions for calculating DSL in inductance calculations and DSC in capacitance calculations are analogous, except that the conductor outside radius rreplaces the conductor GMR, DS.

(a) True

(b) False

Question:Match the following for the current distribution throughout the conductor cross section:

(i) For dc (a) uniform

(ii) For ac (b) nonuniform

Rework Problem 4.41 if the bundled line has (a) three ACSR,1351kcmilconductors per phase or (b) three ACSR, 900kcmilconductors per phase without changing the bundle spacing or the phase spacings between bundle centers.

The Aluminum Electrical Conductor Handbooklists a dc resistance of 0.01558Ω per1000ft at 20°C and a 60Hz resistance of role="math" localid="1655275109672" 0.0956Ω per mile at 50°C for the all-aluminum Marigold conductor, which has 61 strands and whose size is1113kcmil . Assuming an increase in resistance of 2% for spiraling, calculate and verify the dc resistance. Then calculate the dc resistance at 50°C, and determine the percentage increase due to skin effect.

Question:A circle with diameter mil has an area of _______ c mil.

See all solutions

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