what is IP55,IP65

2 Answers  

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why solinoid coil used in tripping rely?and why not other type coil?

1 Answers  

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dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

0 Answers   RRB,

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why i can not use thimble on capacitor duty contactor

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Why the substation measure in KV but not in the power ratings of transformer.

4 Answers  

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why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

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In ACS 1000 drive we used 12 pulse convertor.Why dont used 6 pulse or 3 pulse convetor

1 Answers  

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HOW DOES THE FAN REGULATOR CONTROLS ITS SPEED

6 Answers  

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I have 1 KW, 3ph. 440v, 50 hz, cos(phi) .75, efficiency 75%(star delta connection)Motor. How to calculate line current & Phase current (1) Star connection (2) delta Connection

2 Answers  

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I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

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What is the tube exial fan?

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please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula

0 Answers   Foxconn,

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