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Tuesday, November 23, 2010

QUESTIONS

QUESTION1: Find the resistance of a cooper cabel 500 m in length if it has cross sectional area of 2.5mm?

QUESTION2: Name four precautions that should be takinen when selecting /fitting a flixible cord?

QUESTION 3: A 4600watt single phase kilen is supplied by a 3 meter 3 core flex due to volt drop consideration for the supply instalation the volt drop must not exceed 2% of standerd low voltage what size flex is suitabel?

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