Answer / guest

RESIDUAL CURRENT CIRCUIT BREAKER

Answer / 17.07.2012

Residual Current Circuit Breaker

what is the requirement of commutator in a universal motor?

3 Answers  

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what is the voltage equation of 240/12 v transformer??

1 Answers  

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Hello sir. if u have electical engineering exam paper then plz mail me at bhumika_1187@yahoo.co.in. i m appearing exam for HPCL.

1 Answers   HPCL,

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What is the difference between the watt hour meter and Var hour meter in terms of internal connection and work theory . ie "When the meter records watt-hour an when the meter records var hours ??"

13 Answers  

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In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

0 Answers  

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phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

3 Answers   Areva, Kim Yew,

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Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?

0 Answers  

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What is the fault or needs to be done when frequency in ac drives is not changing?

0 Answers  

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what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 Answers  

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Why fuel tanks to be earthed ?

6 Answers   Electronics, Hindustan Petroleum, HPCL, Ispat,

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

0 Answers   MPSEB,

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I am working as a software engineer for the past 4 years. I am interested to do M.tech in premier inst. like IIT, IIIT, NIT,... I am preparing for the GATE exam for the past 2 years. Can anyone tell me how about the placement in IIT's for m.tech in (microelectronics and vlsi or electronics related discipline). Some of them are telling like placement is very rare for m.tech electronics. Also the placement details in IIT websites are not true. Is that so ? can any one help us regarding this.

1 Answers  

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