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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between AC Drive and VFD?

ITC Infotech,

10 21487

1. what is difference between VCB and ACB.how its works please explian.

ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

6 72583

if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

HP,

5 21757

what is electricity.

HP, L&T,

6 6227

what is maximum demand.

HP,

9 23078

if 20 hp motor starts directly delta connection.motor what will be the effect.

HP,

3 5862

if 20 hp motor starts directly stars and contenious run . what will be the effect.

HP, Ohsung Electronics,

11 18025

star delta connection used in reduce the starting current at 3 times . how its reduce the current please explian .

HP,

7 25724

what is on line transformer and off line transformer.

Cisco, HP, ICC,

3 7154

what is electricial and mechnical interlock.

Control Dynamics, EFS, HP,

9 64608

please explian how may types of maintenance works.

HP,

4 8180

what is safety measures of alternator.

HP, MNC,

10 28938

what is main parts of alternator.

HP,

3 13750

what is safety measures of transformers.

Amtek, Hotel Jobs, HP, RMU, SKFM, Taj Group,

16 66056

if AVR fails in alternator. what will be the effect.

HP,

13 25520

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Un-Answered Questions { Electrical Engineering }

Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

1685

what is the minimum voltage require to injure our body?

5664

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1585

a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

1195

what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

1510




please write motor, transformer, Generator setting, fault level calculation of Tr.etc

1518

List few applications of d.c series motor?

700

Explain what is rated speed?

675

i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

1624

Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028

1584

LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

2431

my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

1563

What is speed mode?

1251

how many types of motor can be used in washing machine

1682

What is real time power factor control panel(RTPFC)?

3828

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