Answer / eby

Most secure communications through these phases

Answer / tapasi

wave trap is a instrument used in substations to eleminate
the communication & unwanted waves tranported with the
current. it is generally connected with y & r phase because
the substations r communicate with each other through these
lines.

Answer / chinga

becuuse subststions are communicate with each other with y
& r phases only.

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

0 Answers   HPCL,

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it is used to measure the potial difference between two point?

2 Answers  

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What is TR of AC?

11 Answers   Carrier, Reliance,

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What is diode fuse ? How it is working?

1 Answers   Hyundai, LG,

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in my observation NCT is used at Karnataka power transmission. why we are not used in andhra pradesh

1 Answers  

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wat system call?

0 Answers  

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I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

0 Answers   Jindal,

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What is mean by discrimination of circuit breaker ?

1 Answers  

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what is the internal fuction of a ceiling fan?

2 Answers  

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when secondary volts is given how do we find primary volts, turns, amps of primary and secondary given???

1 Answers  

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i need previous entrence exam papers of nhpc.

0 Answers  

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1. If we apply dc supply to the primary winding of transformer it will be burnt out. similarly dc supply is given to field winding of syn. motor and armature winding of dc motor, they are safe. (Remember both windings inductive nature) what is the reason behind that?

2 Answers  

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