Electrical Engineering Interview Questions
Questions Answers Views Company eMail

WHY IS THE POWER FACTOR NOT MORE THAN UNITY.

6 16897

HAT IS THE EFFECT OF LOW POWER FACTOR ON THE GENERATING STATION?HOW WILL YOU IMPROVE THE LOW POWER FACTOR?

1 4800

EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.

894




WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?

748

EXPLAIN THE FOLLWING: (1) BANDWIDTH (2) SELECTIVITY (3) RESONANT FREQUENCY (4) CURRENT MAGNIFICATION

1 1543

AIR GAP IS TERMED AS USEFUL. WHY?

5 3699

FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

763

DOES A MAGNETIC CIRCUIT CONSUMES ENERGY? IF YES, WHY?

6 6025




IN A MAGNETIC MATERIAL HYSTERYSIS LOSS CAN'T BE REDUCED TO ZERO. HY?

3 2498

WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

822

STATE AND EXPLAIN SUPER POSITION THEOREM.

ABB,

3 14844

EXPLAIN THE APPLICATION OF RECIPROCITY THEOREM

1 10375

DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.

744

EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

770

Whats difference between a single phase & a three phase motor?

4 12340


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Un-Answered Questions { Electrical Engineering }

ROC converges if poles and zeros lie inside a. Origion b. Z=1

758


what is sevice settings for mccb?How can be it setted?

664


EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.

894


what is meant by brushed alternator & its working principle ?

759


Why neutral is not used in three phases dol starter

619






what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

781


which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

694


how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

836


Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

689


what is the use of piston rings in the engine used for a generator...........

968


describe the constructional features of an auto transformer and its principle operation

1001


where solid grounding and where grounding through ngr done and why?

1358


What is the main purpose of c.f.b.c.boiler

489


how to decide the capacity of accl

981


why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

728