Tuesday, November 8, 2016

Electrical questions



Q1:- armature winding is one in which working
1. Flux is produced by field current
2. Flux is produced by working emf
3. EMF is produced by the working flux
4.-emf is produced by the leakage flux

ANSWER:-3




Q2:- A pole pitch in electrical machine is

1. Equal to 180 degree electrical
2. Equal to 180 degree mechanical
3. Less than 180 degree electrical
4. Greater than 180 degree electrical

ANSWER:-1



Q3:- a coil consist of

1. two conductors
2.t wo coil sides 
3. Two turns
4.four turns

ANSWER:-2



Q4:- one turn consist of

1.two coil sides
2.two conductors
3.four conductors 
4.four coil sides

ANSWER:-2



Q5:- in AC rotating machine that generated for Speed EMF

1. Is in face with the both working flux
2. Leads flux by 90di
3. Lag flux by 90 degree
4.lags by 180 degree

ANSWER:-3


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