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 TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?

ANZ,

1999

How to measure the earth resistance value in a concrete pavement(flood light area)?

ANZ, Watt,

2221

What kinds of decision are made about CT from it's Knee point(voltage & current)?

2 5081

Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1824

what is difference between cpp electrical system and refinery electrical system

2300

What is the GNA & MNA in armature reaction of Dc Generator

Khetan,

2 22859

what is practical efficiency of power transformer..?

1 4624

how to convert single phase supply to 3 phase or 3 phase to single..?

Wipro,

7 9853

What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

Enmas, Michelin, Reliance,

2930

I got shortlisted in RRB thiruvananthapuram for the post of Junior Electrical engineer, waiting List - 7. i want to know about the validity of the current list and chance to get the job please help anybody knws abt it,, thank you

1 4142

one 60KVA UPS how can full load current tell me us formulas

Wipro,

1 4243

one split ac how can told of this ac which Tr tell me us

Wipro,

2031

What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

2282

what are the merits and demerits of synchronous motor over an induction motor...??

NTPC,

5 10152

what is brushless generator.How does work it..??

NTPC,

3 9090

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Un-Answered Questions { Electrical Engineering }

What happens if i apply 500V to 440V rotary Switch ?

1831

LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?

2174

What is Fire Panel ? How it works ?

2072

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2966

. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

3347

What is lighting kitts.

2111

WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1908

where is core-type and shell-type construction suitable for transformers ?

2093

WHY CBCT USE ONLY IN Y PHASE NOT OTHER PHASES

2117

what is Anti-pumping?

1942

how to calculate magnetic force genrated by a coil ?

2202

what is the difference between rectifier and converter and commudator?

1960

please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1846

If 100 KAV USP dedicated earth got disconnect / Cut. What will happen at load.

1970

What are the main parts of central chiller plant? Explain the function of each stage.

4801

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