Answer / ashwani kumar

voltage source

Answer / frenciskiai

it is certainly a voltage source considering that
differentiating voltage with respect to time = current density

Can any body explain the operation system of MVWS(May be related to water and fire hydraunt system)?

2 Answers   TATA,

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If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

0 Answers   Usha Capacitors,

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Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

6 Answers   L&T,

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explain different losses in a transformer.

0 Answers  

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what is "PE" earthing? and what do u know abt 16mm cable?

1 Answers  

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whatis the test procedure for lightning arrester which was installed one year back. i want check it whether it is working or not.

1 Answers  

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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

0 Answers  

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what is the use of compensation in designing a transmission line

1 Answers   Genco,

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to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

0 Answers  

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what is difference between short ckt and overload?

6 Answers   Siemens,

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what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

0 Answers   NTPC,

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typical per KM resistance values of ACSR DOG conductor for 33KV & 11KV OH system? typical per KM resistance values of XLPE 300Sq mm cable for 33KV system? typical per KM resistance values of XLPE 185Sq mm cable for 11KV system?

2 Answers   wbsedcl,

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