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 fault current time duration is calculated for 1 minutes?

Rockfort Engineering,

1 2392

why fault current always calculated for 1 seconds?

Coca Cola,

3 5110

what is the difference between ac motor and dc generator

ETA,

1857

What is the use of Gateway RTU like ABB RTU 560 in power plant, SAS system ?

ABB,

1 3190

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

Surana,

1942

if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

Power Plant,

1750

what is the Transmission line differential protection and why differential protection also have backup Line Distance Protection ?

1 2636

Which cable is use for rtcc control panel

1762

impliment (AB)`+C to transistor representation

Ascent,

1837

I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

1698

how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

1740

To generate electricity , what is the speed of rotor?

JEC,

1 3270

why we use 630mm single core cable for transformer secondary side and why two neutral cable

Technicare,

1843

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

DAE,

1648

WHAT is the no of starts/hr for 3.3 KV, 300 KW motor. Motor is vertical flange type.

DAE, Siemens,

1 3546

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Un-Answered Questions { Electrical Engineering }

number of I/O devices in siemense plc

2140

In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

3135

how we can calcultae the short circuit level for bus bar

2239

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2120

Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

2214

i have a 1500kVA transformer what is the kWH meter i need to use?

1785

Please give me a erda placement paper

1797

What is installed in PAC that is control the humidity

1516

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

1819

what are the stresses in circuit breakers ?

2019

What is CCT (Correlated Color Temperature) ?

1957

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

1141

What is the difference between a verilog task and a verilog function?

1271

can any one suggest me the tilt angle of my solar pannel ?? or tell me how can i know the fix tilt angle of my solar pannel?? my cordinates are 31.503629,72.993164.

1812

How can we increase fuel-power ratio of any DG set?

1816

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