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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the difference between AC Drive and VFD?

ITC Infotech,

10 24253

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

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

6 74724

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

HP,

5 23576

what is electricity.

HP, L&T,

6 8424

what is maximum demand.

HP,

9 25266

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

HP,

3 6911

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

HP, Ohsung Electronics,

11 20991

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

HP,

7 27613

what is on line transformer and off line transformer.

Cisco, HP, ICC,

3 8359

what is electricial and mechnical interlock.

Control Dynamics, EFS, HP,

9 67842

please explian how may types of maintenance works.

HP,

4 9656

what is safety measures of alternator.

HP, MNC,

10 32262

what is main parts of alternator.

HP,

3 15380

what is safety measures of transformers.

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

16 70199

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

HP,

13 28572

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Un-Answered Questions { Electrical Engineering }

difference between power surge and switching transient

2040

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

1949

How will you define capacitance?

1117

diameter of cable and core is doubled then the value of capacitance is

4256

what is the VA(Volt-amphere)? define with calculation?

1233

how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

2293

why and where we use early make & late break contacts in protection?

8275

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1409

Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?

1743

What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?

3088

why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points

2033

why the name trunking bus PT

3025

please send me RRB electrical engineer previous year questions for Sr. Section Engineer

1907

we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

1851

i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.

1846

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