Interview Questions Answers in Electrical Engineering

palpandi.a

{ City } madurai
< Country > india
* Profession * student
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List out the types and name of the motor under their application?

Electrical Engineering 1936

Answers / { palpandi.a }

Question { 14257 }

What is the recommended voltage gap between Live and Earth
and ,Earth and Neutral.If these are exceded what is the
solution.

Answer

L.E=230 v(If single phase),
=440 v(If three phase),
E.N=1.7 v(If proper earthing),
=2 v(Acceptable),
If these are exceded concentrat on earthing.Maintain earth
resistance is <1 omh.

Is This Answer Correct ?

20 Yes

0 No

Question { 9870 }

difference b/w semiconductor and insulator

Answer

Semiconductor has 4 electrons in conduction band.due to the
doping it get or lose one electron.so it act as partial
condutor.But insulator has 8 electrons in conduction band.

Is This Answer Correct ?

6 Yes

3 No