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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

1796

What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

Alstom, Call Centre, EDC, HCL, Procon Engineers,

17 228920

why the crow do not feel the current in overhead line when it sits on the wire??????

6 9907

Is HT capacitor rating connected directly to motor terminals , related to motor no load current?

1970

What exactly is meant by harmonics and harmonic current?? and what is skewing with regard to this??

2 5596

What do you mean by distributed winding in alternators? how exactly is 3 phase power generated?

2 10338

circuit diagram of ht panel

13016

how does a submersible pump work..?

1965

what is the difference between starter and control panel..?

4 19377

how does a submersible pump work..?

1884

what will happen at secondary side of transformer if i increase voltage at primary side?while V1*I1=V2*I2 will secondary voltage or current increase?

2 6768

For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

1827

how to control the speed to switched reluctance motor

1947

Why the size of transformer decreases if we increases the frequency?

Graphics Engineering,

5 36620

What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

2235


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

7759


how to measure earth resistance of a substation

3324


regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

2053


How line capacitance & line inductance varies with increase in height tower.

2334


diameter of cable and core is doubled then the value of capacitance is

4298


Can we use shunt trip coil instead of trip coil with protection relay for protection?

1741


Explain the operation of variable frequency transformer?

1138


for a 400kv t/m line with 10 ampere current will corona occur?

2193


In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

2161


how to decide the panel size like MDB ,SMDB PANEL SIZES

7377


Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer

3634


How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)

3192


12.5 tons a/c is their how much kva generator can recommend to the customer.

2030


What is meant by reverse polarity and how it can be fixed?

1265


What happens if the series current double?

1476