Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why are some relay circuts designed to have the ct current flow through the neutral instead of the phase wire, such as in some diff relays?

1 2265

Why should we use the igniter in the sodium vapour lamp.

Delphi, PICT, NTPC, Mudhra, ABB,

7 58371

what is the ideal earth resistance

Enercon, Amit Enterprises,

11 14298




What are the difference between these terms ? e.m.f, voltage, potential, potential difference, current etc? what are the difference between these terms ? (electromotive force) e.m.f, voltage, potential, potential difference, reference potential, reference potential difference, current. How can i explain and describe these all terms in single line each and little more explaination too thanks

Siemens,

2 5055

How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

2 4045

how one can check the Current of a DC 12 V battery ? Procedure. I told that take a thick wire (having more wires in it) and then join the + and - terminals of battery with the help of two ends of a thick wire .... is this correct or wrong .....

1 1912

can you check the current and voltage of a 12 V battery by a digital multimeter in this fashion that apply the digital multimeter across the battery terminals directly ? say yes or no ... i sais yes ........... is this true or false ? plzz tell me and also explain ........ plzz thanks

4 2750

What is the working of AVR in AC generators?

Navrachana University,

13 82949




MCCB 400 Amps 50KA 430Volt AC What is mean by 50KA

16 35711

what are the safety measures of induction motor?

3 3722

what are the safety measures of induction motor?

789

What is an electric arc?

3 2306

How will you Physically differentiate A.C and D.C motor?

BSNL, Polycab,

10 13230

In a Dyn11 transformer, how are the 3 windings of the delta connected? Assume that R1-R2, Y1-Y2, B1-B2 are the 3 windings on the HV side.

3 4066

PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

RRB,

701


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Un-Answered Questions { Electrical Engineering }

How to see the inductance in a transmission lines

788


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

764


slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

575


how to decide the capacity of accl

933


Difference between low impedance and high impedance Restricted Earth Fault

1588






Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

599


What products have you designed which have entered high volume production?

648


What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

401


How PADO software increase the efficiency of power plant?

4289


Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

782


What information we need to prepare relay coordination chart

983


is the value of inductance depends upon the value of thitha in doubly excited machine??

750


how to calculate the battery AH

1390


for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

140


what is load despatching

816