Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How much load can be taken for chiller from 1500 kva transformer

34

How to use earthing on shipments.

68

Did RMU have ct and pt ?

55




what is high and low cut off voltage of BB and DG at SPS????????

186

can some one clearly explain why -48 volt DC use in telecom site????

186

What is line resistance of cable & how it can be measured ?

167

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

162

3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

54




What happened when capacitor connect series in ac circuit?

123

Efficient electrical earthing in hard rock area

108

In Electrical 'Single Line Diagram' cable nomenclature shows "2 X 1C X 630sq.mm to be provided for one incomer. The question is how many cable to be proved for one Incomer.

115

how does high earth to neutral voltage affect electronic equipment?

134

how does high earth to neutral voltage affects electronic circuit?

141

What is the formula of frequency ?

106

difference between Ac and Dc mcb ????

103


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Un-Answered Questions { Electrical Engineering }

How earthing of switchgear system to be done.

601


Instrument connected to a single phase supply

348


How to test Alternator stability test for REF relay

141


what is the difference between RMS & TRUE RMS VOLTAGE

1552


Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

842






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

485


What we mean by vintage of an engine+Generator?

730


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

793


According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

2596


why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?

807


How to select the cable and voltage drop in circuit?

218


Pleae send me last 5 years of Question book about RRB chennai.

771


how can tell us the AC indoor or outdoor which Tr and formulls

530


hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

678


Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

332