Answer Posted / hany goda

any one can help ( wt is the use of( keeping rod tied wz cable ) exposed ?

to measure fault current ? how ? and if as per site condition consultant ask to remove earth pit housing and buried wz concrete ? so wt to do if all are buried in concrete to measure fault current especially for transformer and generator ?

How to connect the chemical earthing and complete process tell me plz

1918

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how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?

1883

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advantages & disadvantages of Lagging and leading power factor .

9671

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The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

1230

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How earthing of switchgear system to be done.

1983

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how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

2325

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What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1537

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solar energy light efficiency & disadvantages?

2175

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What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

3707

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WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

2281

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What is transmittance?

1176

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in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

2228

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distribution is maximum done by a)radial b)network c) parallel d)b & c

2065

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I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

1921

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DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

2087

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