Answer / arun

Type of earthing.
1.Coil earthing.
2.Pipe earthing.
3.Rod earthing.
4.Earth mat having equally formed grid of MSflats according
to soil resistivity of a particular place.

Min value - less than 2 ohms/pit.

WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??

3 Answers  

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Size of the 60Hz and 400Hz transformers is a) same b) 60Hz Tr s larger than 400Hz Tr c) 400Hz Tr s larger than 60Hz Tr d) None of the above

5 Answers   Ecil,

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when a cunductor is being disconnected from live cct, still it showing charged, if its checked by line tester?

8 Answers   GEB,

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what happenes if the core of the transformer saturates?

4 Answers  

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I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

0 Answers   Bhel,

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how calculate the current faut level

2 Answers   ABB,

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why Ac current is alternating in nature?(or)why alternating current changes its direction?

3 Answers   APGenco,

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what is EP panel and AHS panel

2 Answers  

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how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

1 Answers   Bhel, Wartsila,

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What is the deffrence between Siemens S7-300 & S7-400 PLC?

4 Answers   ADC,

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According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

0 Answers  

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what is the difference between the electrical and electronic choke?

1 Answers  

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