Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what purpose of the percentage impendance in transformer

3 3219

what is the full form of MEMO? name of memo train.

BirlaSoft,

6 19644

Is potential difference materials property ..? if yes tnen how.. explain brifly.

661




how to calculate the mf of kwh meter,if ct the ratio on meter is 100/5A

2 41115

Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 3078

1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.

Simbhaoli Sugars,

1 3078

what objective books are good for preparing for PSU's?

NTPC,

3 9309

how the magnetic flux is said to be rotating & alternating?

4 9415




Whether the vacuum contactor requires Short circuit protection?If No,why?

Reliance,

698

Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?

NTPC,

6 7532

can i have the methods of speed controls for 3 phase AC MOTORS.

7 3669

what is circuit recombiner and how it is different from circuit breaker

578

what is the function of anti-pumping in circuit breaker?

NCC, Aditya Birla, INEL,

20 93641

what the purpose of protection signaling equipment in substation?

2 4881

ho w to make Incident and accident reporting

1 1314


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Un-Answered Questions { Electrical Engineering }

Please explain me about Relay curves and their sources to read ?

577


What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

711


how many stairs have you climbed while you were coming

821


from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

777


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

984








839


how to test power transformer.YNd11

173


What is the types of HT motor testing

2059


WHAT IS THE MEANING OG (li = 7 In)

501


draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

17425


does not the circulating current in a transformer affect the flux distribution in the transformer core

604


Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?

736


SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

4245


A well system is when , no. of bus bar is less or more. Tell me the concept of it.

596


electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

654