Electrical Engineering Interview Questions
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The series field winding has low resistance while the shunt field winding has high resistance. Why?

251

What is the general system requirement of alternator?

143

What is a commutator?

123

What is meant by stator?

127

What are the various types of rotor used in the alternators?

125

Why do we perform an open-circuit test and short-circuit test on the transformer?

127

What is the universal motor?

125

What is an iron loss or core loss pi?

125

Define pole pitch?

111

What are the advantages and disadvantages of the dc motors?

126

What are the advantages and disadvantages of the ac motors?

124

What is meant by stator? What is meant by rotor?

128

What is a copper loss or i2r loss pc?

148

What is dielectric loss?

142

Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

186


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Un-Answered Questions { Electrical Engineering }

why star point of HT motor not earthed?

1183


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

1244


why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?

4343


can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

875


Is MEN and RCD related to each other ?? IF yes then how??

959






use of choke in APFC panels

3926


how the characterstics of control valve being done

985


We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

1066


what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

1291


Define the term factor of inertia.

940


8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

7080


what is gas turbine intercooling ?

992


what is the formula for hv test for cable and circuit breaker..????

1006


What is the difference between the transmission line and distribution line?

136


Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

838