Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what's mean by Transient stability analysis?

1 1636

what's burden resistor, why it's used?

Bhel, TVS Group,

1 21418

what's transient & sub- transient reactance means?

2 42883




what's ripple content in rectifier? how it formed?

1 2196

what's float charger and boost charger? why it's used?

Siemens, APCPDCL, Rolls Royce, PTCL,

2 39896

In track electrification Either we use single conductor or double conductor? why?

2 3134

In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 1618

what's the difference between induction generator and synchronous generator?

IBM,

1 2389




what's the exact magnitude of current, flows through Neutral?

729

While starting a high capacity motor, it takes 6 times the full load current. Why it doesn't trip relay or CB's in that network?

4 4096

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

Siemens,

1 3376

HOW TO FIND OUT 1. LINE CURRENT, 2. PHASE CURRENT IN AN ALTERNATOR / TRANSFORMER WHICH IS FEEDING A I)STAR LOAD ii) DELTA LOAD, USING A CLAMP METER. NORMALLY WHEN WE USE CLAMP METER IN A DG SET THEN WHAT DO WE GET?? PHASE CURRENT OR LINE CURRENT.

Bhel,

13 24909

WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

5 9283

why we step down the voltage from 440 to 220 in machines

4 3515

is there any concept of armature reaction in Induction motor?

4 9982


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Un-Answered Questions { Electrical Engineering }

how many types control panel of a 132/33 kv substation

1449


why i can not use thimble on capacitor duty contactor

99


In parallel operation time both NGR’s close or not close if both close what will happen

2427


Why 9KV surge arrester having 7.65KV of MCOV?

238


ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

1076






operation of diesel generator

787


why steady state stability limit is greater than transient stability limit ? How it can be explained ?

1230


What is conventional thermal current (Ith)

1891


What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

1014


What is the difference between grid and off- grid system??

646


ratings of lightning arrester

849


which protection used in power plant?

770


How I calculate the ELCB for circuit breakers?

904


What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

510


Is there any question in the name of Static Switch in UPS??

740