Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

TCCL,

213

advantages and disadvantages of inverse definite minimum time RELAY

109

why high speed tripping relay is used in protection circuit why not normal relay

105




why high speed tripping relay will be used in tripping circuit why not normal relay

124

what are all the components required to assemble solar panel other than pv cell?

142

Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

76

how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

Student,

55

I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

106




How the over load setting for HT Motors calculated-provided in Numerical Relay

Damodar Valley Corporation,

182

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

DAE,

228

What is slope...? Explain slope 1 and slope 2...?

223

How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

149

if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

NCC,

147

How to discuss the phase shift of transformer considering open delta?

168

Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?

ONGC,

24


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Un-Answered Questions { Electrical Engineering }

I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

543


Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

731


WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE

716


What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

641


do any one help me to get "C" license,, i have doubts ,,, if mediators ter pls call me,, my no is 8056640042

325






What are the main faults of DC generators?

1144


c++ write a program to use a fuction call "max"which accepts an intger arrey of size5.as an arrument and return the larger and smallest of the arrey to main without changing. the original changing of the original position of the element of the arrey.

668


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

405


In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

821


The armature of shunt dc motor has 0.8ohm resistance and motor is to run on 120V circuit.If motor is suddenly thrown on circuit while armature at standstill then current drawn by motor will be??Also back emf in normal running is 110V

827


Why does inductive loads consume KVARs?

760


how can check the resistance of battery contact?

984


if a.c supply is given to the motor,, what happen?

940


A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

551


How do apply electrical 'c'license......pls advice

496