Answer / kavaskar

M.P.C.B=Motor protection circuit breaker.
it is a electrical device,it is used to isolate
(protect)the fault part of the powersystem at abnormal
condition,motor protection means isolate the motar fault at
running condition..........

Answer / nandakumarp

MPCB means Motor Protection circuit breaker.it is used to
protect the running motor from faults.

Answer / rams

Motor Protection Circuit Breaker

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

0 Answers   SSC,

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I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

0 Answers  

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What are the voltage values for LT,HT,EHT and other voltages??

22 Answers   INEL, MNC,

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2 Answers   Reliance,

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What will happen if we give the 3 phase supply to the rotor of slipring induction motor?

3 Answers  

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what is the meaning for va and how it is generated

1 Answers  

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75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

0 Answers  

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i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

0 Answers  

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1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

0 Answers   CCP,

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Describe how a salient pole / projecting pole rotor differs from a cylindrical rotor and state the application of each rotor respectively

3 Answers  

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what is diffential relay? testing proceure?and transformer reach Over load thet time differencilal relay operate or not ?

5 Answers  

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while checking the flourscent tube elctrodes some glow is cominag. this type of glow tube working or not working

1 Answers  

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