Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

For these 2 devices what their power ratings are ? 1) single phase : AC 220V & starting amps 3Amps (i.e. starting torque) and the stabilized amps 2A ... For deep freezer 2) single phase : AC 220V & starting amps 2.7Amps (i.e. including the starting torque of a CRT monitor) and the stabilized amps 1 Amps thanks

1 3315

We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 4865

how many ampere Maxmium load given on a 10 kva DG set?

3 7527

Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

2016

If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

2201

What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

2650

how to find out this one mcb r mccb?

L&T,

4 7781

how to identyfy cable sizes?

IAF, Mylan,

4 7200

What will happened, if field voltage change with 220 voltage to 110 voltage for a dc shunt motor?

1 3271

what is the deference between watt and KVA

IAF,

3 5923

what is the difference between phase and neutral?

IAF, Indian Airlines,

3 7600

How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

2233

How much minimum insulation required between 11kv/3.3kv transformer windings?

Descon,

2430

what is Use of Stones/Gravel in electrical Switch Yard??

Sanghi,

4 16451

How to find synchronous motor speed formula Ns=120f/P ?....

Cranedge,

2 22730

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Un-Answered Questions { Electrical Engineering }

what is errection pcbs?

1923

3phase motor can be used as a Prime mover for alternator.

1603

Why earthing is necessary for any equipment?

1724

What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

2096

what kind of quetions will ask in BHEL in interview? Plz help me?

2110

what is the sludge current

2121

what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

2035

how we findout a ignater is faulty or not?

2108

how calculate the electrical load for industry and office

9323

hi can anyone pls tell me the eee interview core questions asked in l&t

2059

fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be

1063

Why the efficiency of generator is more than motor in swinburne's test

2022

how can tell us the AC indoor or outdoor which Tr and formulls

1765

how to commissioning the genset with amf panel?

2404

The series field winding has low resistance while the shunt field winding has high resistance. Why?

1723

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