Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what purpose of the percentage impendance in transformer

3 6465

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

BirlaSoft,

6 30152

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

2056

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

2 52654

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 6998

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 4872

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

NTPC,

3 12574

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

4 14703

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

Reliance,

2043

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 12533

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

7 8879

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

1885

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

Aditya Birla, INEL, NCC,

20 117872

what the purpose of protection signaling equipment in substation?

2 9593

ho w to make Incident and accident reporting

1 3082

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Un-Answered Questions { Electrical Engineering }

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

5023

Why neutral is not used in three phases dol starter

1952

Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

2188

What is the use of Surge Capacitor in LAVT?

13711

what does mean of RCT and STR in diffrential CT?

4236

How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

2192

Can u tell me design of switch yard

2173

what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

2109

WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

2261

pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

2055

how to wiring it with contactor and timer together

1852

How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

5400

WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

2090

what is the string efficiency

5248

Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

2125

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