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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what's mean by Transient stability analysis?

 1 1602

what's burden resistor, why it's used?

Bhel, TVS Group,

1 21231

what's transient & sub- transient reactance means?

 2 42498



what's ripple content in rectifier? how it formed?

 1 2145

what's float charger and boost charger? why it's used?

Siemens, APCPDCL, Rolls Royce, PTCL,

2 39568

In track electrification Either we use single conductor or double conductor? why?

 2 3092

In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

 1 1584

what's the difference between induction generator and synchronous generator?

IBM,

1 2325



what's the exact magnitude of current, flows through Neutral?

 695

While starting a high capacity motor, it takes 6 times the full load current. Why it doesn't trip relay or CB's in that network?

 4 4017

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

Siemens,

1 3340

HOW TO FIND OUT 1. LINE CURRENT, 2. PHASE CURRENT IN AN ALTERNATOR / TRANSFORMER WHICH IS FEEDING A I)STAR LOAD ii) DELTA LOAD, USING A CLAMP METER. NORMALLY WHEN WE USE CLAMP METER IN A DG SET THEN WHAT DO WE GET?? PHASE CURRENT OR LINE CURRENT.

Bhel,

13 24618

WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

 5 9213

why we step down the voltage from 440 to 220 in machines

 4 3476

is there any concept of armature reaction in Induction motor?

4 9741

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Un-Answered Questions { Electrical Engineering }

How to run a three phase motor into single phase........

830

How may I enrol or get admission to your program?

781

Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?

593

Can anyone tell the proper diagram of star delta starter????

666

How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

813




The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

741

how can you calculate fault level ?

1128

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

2621

How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

838

What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

773

What is a surge supressor why its is used in synchronous generators

770

How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

633

How many types oil using in transformer ? How many letars using in transformer..?

789

hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

722

whatis the commertial spec. of distribution boards ?

805

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