What type interview questions ask in Electrical technicians

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if 1hp jet motar drop voltage when start from 220v to 120v give the reason and solution.

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practicalLY what is impedence ...?

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I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

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what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 Answers   ABB,

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why ht motors are connected in star?

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what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

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Generally the incandescent lamps in bathrooms fuse due to high voltage at night.What is the simple solution of this problem?

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Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

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What is function of condenser in fan?

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What is the full name of one of choke less lamp BLL

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what is the cable capacity of any load wise .

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