why in dc generator field rheostate kept in maximum position?
how to calculate cable size for the motor
what happend if we remove dc exciter from moving machine..: gg
what is the requirement regarding earthing of Single conductor with AWA
all electricals questions
in ONAN type transformer winding temperature is lower than oil temperature at evening time but morning winding temp is higher than oil temp what is the reason?
List the power rating of any 5 important electrical appliances used in houses.
How much RPM in Turbocharger in Diesel engine.
what are the major difference between 3phase 3wire and 3phase 4wire trivector meter?
3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?
can we use trip light with bus coupler?
what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?
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
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