Why the Petrol Guns in the Petrol bunk are earthed?

3 Answers   ITC Infotech,

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what is load flow?

2 Answers  

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can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

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in conventional fan regulators how the current varies with speed?

0 Answers  

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why master trip(86) used in eletromagnet?

1 Answers  

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9.The material used for coating the electrode is called........

3 Answers   SSC, TELiBrahma,

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lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.root of 3))*squ.root of 2. now the question is, IS this above formula correct for both STAR and DELTA connected system???

1 Answers  

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why do star-delta connection ? why do not connect any circuit direct connection ?

1 Answers   IBM, Sri Biotech,

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why the rating of dc generator is in kw where as rating of alternator is in kva?

3 Answers  

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What is the meaning of Insulation H for transformers????

0 Answers  

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Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 Answers  

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while conducting an experiment why we connect the armature rheostat in maximum position and field rheostat in minimum position

1 Answers  

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