Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????

1483

how the capacitance is caluclated if the load is varying to keep the power factor constant(above0.95)

1 3057

what will happen if the field and armature both are made to rotate in a synchronous machine ?

4 5065

Can Superposition theorem be applied to AC Circuits?Can Thevenin's Theorem be applied to AC Circuit too?

HCL, NPCIL, Shivam, Vast,

6 18852

pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

Bhel, IBM,

2293

how to claculate the ups load in KVA pls give the if any fourmoul?

4 5586

pls tell me function of closing coil of A.C.B.

2891

which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

TATA,

1578

WHATS THE DIFFERENCE IN USING THE 125% AND THE 250% FACTOR OF SAFETY IN CALCULATING CIRCUIT BREAKERS CAPACITY IN MOTOR APPLICATION??

1570

if neutral earthing is weak of a system then how can we improve it ? Technically explanation ??

CS, L&T,

1 4242

Can any one help me how to set an overload set the range from 2.8A to 4A , rated motor current 22A, CT 60/5A

2 3721

why we ground the scondary of current transformer.

4 5259

what is the name of oil used in transformer

Energy Pack, Genco,

11 19222

what will happen if u run induction motor beyond its rated speed

Adani, BARC, Bescom,

13 17906

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

Schneider,

1410


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Un-Answered Questions { Electrical Engineering }

What is a dominant pole?

688


plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.

4524


Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

1512


explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4098


What is the reason that the humming sound is coming from the induction furnace panel?

2088






which network topology offers the greatest level of tolerance?

1589


How can we measure the residual voltage in dc machines?

1223


Why armature rheostat is kept in maximum position?

642


how to carried out DAR test in 11 KV Alternator ?

1850


Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1476


What is meant by celling voltage & current in excitor ?

1587


What was your role in the silicon evaluation/product ramp? What tools did you use?

1578


Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

1128


Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1560


we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

1554