Answer / aruniscool

Motor is designed to with stand the surge of starting current for a short period.if load driven is jammed or over loaded the time the overload thermal relay will trip and save the motor from burning.

sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

0 Answers   HPCL,

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wht is embedded systems? what is new inthis field?

0 Answers  

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how does oil cools the transformer

3 Answers   HBL Power Systems,

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How can identify meter AC or DC without use of symbel?

4 Answers  

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what is the difference between inrush curent and jurk load.

2 Answers  

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Is there is any difference between AC and DC Cables

1 Answers  

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State the frequency for rc phase shift oscillator?

0 Answers  

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relation between voltage and frequency.

5 Answers   IIUI, Lucky Cement, Reliance,

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what will happen if i will done heart shape hole in transformer core?

1 Answers   Bhel, ONGC,

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why open circuit test is conducted on hv side and short circuit test is conducted on lv side of a transformer ?what is the reason for it ?

3 Answers   HCL, NTPC,

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Give atleast 20 alternating current apparatus and devices.

0 Answers  

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How to convert 2 phase to 3 phase electricpower in induction moter?

0 Answers   HCL,

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