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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why an ac solenoid valve attract the plunger eventhough we interchanges the terminal?will the ploes changes?

1 4451

explain harmonics in simple words..........

HMT,

3 7276

why we are using large cross section cable at load side and small at other (11kv to trsfr)side of transformer? when the load increses current at both side increases,right?

2 5597

What is the value of specific gravity in charged lead acid batteries.

11 16993

Whether the Dc motor Droping the power factor like AC motor if lot of motor running in factory is it necessary to connect capacitor bank

2 4770

what is restircted earth fault relay,how it works? what is diffrance btwn normal earth falut relay & restricted earth fault relay?

1 5843

what is the differences between microprocessor and general purpose computer

Stesalit,

2251

Describe the difference between a microcontroller and a general purpose computer.

Siemens,

2 8276

How wti of transformer works?

Vedanta,

5 28305

i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

Vedanta,

2694

How do u term the word 'OF' in Megger Testing???

2 5502

what size of copper busbar use for 11kv 630A

ABB,

3 10401

can you explain the rms value in simple words....

5 9241

How the surge voltage can be arrested in electronic devices

1 4177

how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

1953

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Un-Answered Questions { Electrical Engineering }

If rotor works in clock wise what happens

1966

1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?

2757

The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

1243

Define open loop control system.

1161

What is resonant frequency?

1353

What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

2439

Is there a possibility to use such a treshold voltage for the NMOS part of a CMOS circuit that during the switching it will start conducting only after the PMOS part will be already closed, by this eliminating the leakedge current? Please note, I'm not asking about the well bias in standby mode, but about the "antileakedge" measures during normal operation.

2129

how does high earth to neutral voltage affects electronic circuit?

2030

use of PIR in ehv breaker

2222

A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

2678

what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

2110

how brushed dc motor operating ?

1942

What is the limitation of kirchoffs law?

1192

Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

2249

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

2074

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