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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How does an induction motor start?

Ericsson,

1217

What is the difference between a Root Locus plot and a Bode plot?

GE,

1280

What is DC series motor?

Ericsson,

1274

How is the speed of a DC shunt motor related to the armature current?

GE,

1183

What is the armature mmf in a D.C machine?

HPCL,

1242

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

NIC,

1063

For a stable system, where should the poles of a system be in a root loci plot?

GE,

1232

A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?

Ittiam Systems,

1238

Classify driling machines.

Essar,

1118

What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

HPCL,

1099

A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

TCS,

1067

Give some differences between open loop and closed loop?

Ericsson,

1112

What does Bode plot tell you?

Ericsson,

1402

What is the role of feedback in a closed loop control system?

GE,

1083

What is a DC series motor?

Ericsson,

1239

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Un-Answered Questions { Electrical Engineering }

how to enter inverter parameter? without manaual?

2037

suri transmission

4753

why only exciting current is shown not primary current in transformer???

1869

Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

2110

how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

2077

In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

1575

How to calculate wire length,size & current? ( related to control panel)

2179

WHY BREAKER ARE USED IN SUBSTATIONS?

2236

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1900

CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

5637

if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

1936

what is meaning of bus riser

2576

what is the ground fault relay,which purpose it will be use,clearly tell me plz

2077

How can we calculate the KVA rating of a Distribution transformer from its core details?

2070

how to calculate the settings for shaft ct protn in hydro generators

1969

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