Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of commutator in dc motor?

3 5047

why odd hormonics only will effect the power system.why not even hormonics

1 1991

Can any body tell me what is use of END OF LINE RESISTOR in fire alaram circuit?

2 6313

what is different between DIGITAL and ANALOG?

3 4693

Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

1637

what is the differnce between vector and phasor? are both same or there is difference between two term.?

6 13696

In batteries after completion of charging which colour gas is emitted from it?

Essar,

2 3769

(1)Electrical power is generated in KV, power consunmed is in MW and the transformers used are in KVA. How is KVA converted to MW as power being consumed by the consumers? (2)What is vector group of a transformer?

1 3395

Why we are measured insulation resistance applied through DC Voltage?

3 5481

function of soft starter .

2 6677

what is different between DIGITAL and ANALOG?

2 4336

why the voltage level is changed when the unearth cable is earth

2 4976

WhY PF low at Time of PT Missing in HT Meter

HCL,

2 4346

When One Phase PT Missing (voltage drop ) this time current is zero of This phase(PT Missing Phase) and current is Not Zero of other Phase but PF is always Low That Why

HCL,

1490

what happenes if two voltage source connected in parallel will be connected to load.

Efftronics Systems,

3 15690


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Un-Answered Questions { Electrical Engineering }

how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .

1722


In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

1678


transformer phasor diagram under load explain it?

1635


what is is the potential diffrence between two phase ?

5311


Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.

1273






how to calculate the change over time for star delta starter for different KW motor?

3722


Explain about p.t?

642


Is electro plating what type of load whether resistive, inductive or capacitive loads

2875


Starting Time of LT & HT Motor

1446


How many size of cable required for a 300m long and 30kw inductive lode

881


Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

1422


How to Make relay co ordination chart for a Electrical power distribution of a plant

3253


Classify drilling machines.

656


which type of questions asking for solar companies?

1097


in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

2332