bsnl tta exam question

0 Answers  

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why do we use bundle conductors instead of using single conductor of larger size for high voltage transmission?

7 Answers  

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what is diffrent between plc and clc??

1 Answers  

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1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.

6 Answers  

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for which possible reasons a motor can fail to start??

4 Answers   CEB, Essar,

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what is the grounding Calculation formula? spouse i want to provide grounding to 3phase 18kw motor or i want to provide ground to 3phase 10kva dry type transformere or you give me any exemple...... Thanks.

0 Answers  

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In Extended Delta transformer, by which method we can measure the extended angle of transformer?

1 Answers   Usha Martin,

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why maintenance batteries used in DG sets not in MAintenance free Batteries.

4 Answers  

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HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY USING?

1 Answers   L&T,

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pls someone send me sample question papers along with the key.thanks in advance

0 Answers   HPCL,

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What do you mean by cold shinkable cable joint.How it is done.

0 Answers  

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what is the difference between diode and zener diode?

21 Answers  

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