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 is meant rectifiers..

MTS,

1 4188

how does we calculate the capacity of battery

MTS,

1 4347

what is meant by boost charge in batteries

MTS,

1 5377

how can we charged the battery in DG

MTS,

2 5598

what is the purpose that we use PLC system in power system

Glatt, MTS,

2 5090

Is Transol transformer oil comparable to nynas nytro libra?

3109

For a 50MVA (138/69/13.8 KV) transformer, what would be the maximum demand in order not to exceed 80% of its operating capacity.

2 5384

i want to make an elec generater with only 12v car battery car alternater and 12 volt motor ..... will the battery charge and give power at same time with out over charging the battery?

1 3680

What is the difference between Ac curent & DC current

Juniper Networks,

2 6662

we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

Siemens,

1908

How Kneepoint voltage of CT practically related when CT in service. ie Knp is above 670 what exactly means

ABC,

1979

difference between servo motor and synchronous motor

Hitachi,

2330

Why frequency fix in 50 Hz?

6 8281

Why transformer called by KVA?

Reliance,

8 12817

What is the difference between harmored cabled and unharmored cables

1 4077

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Un-Answered Questions { Electrical Engineering }

for 750 kw LT load what will be the ht kva

1654

While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x

1935

there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1932

Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

2508

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

1741

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1884

how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?

3682

While testing a ZCT what parameters have to check or measure?

2396

HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

1900

WHat is the general checks required for Dry type transformers

2085

11 kv input, 66 kv input advantages

1394

sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.

2956

In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1966

THERMAL CAPACITANCE IS MEASURED IN..................................................

2143

For high frequency application we use which transformer?

1931

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