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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?

2 4406

how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

1 4675

What is the use of 1:1 isolation t/f in any circuit...?

3 5786

cause of failure of transformer bushes

3 5554

What is flow meter?

2 4466

the problem faced on star or delta winding connection??

1981

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1970

If the soil resistivity is more large, how can we earthing our 11 k.v. transmission line?

2 4890

two 100W/230V bulb are connected in series. what would be the voltage drop across 1 bulb

6 8271

hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 5875

why the inserting resistance in wound rotor induction motor decrease the starting current and increase the starting torque

2 4129

Why Transformer does not work in DC ?

5 10377

Why we use cosine angle for calculating power factor not in sine angle ?

4 16157

In how we connect watt meter for open & short circuit test of a single phase transformer.

Sail,

2 6838

if three phase supply is given to single phase transformer, what will happen?

3 6928


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

please send me latest & previous years question papers for IOCL Technical level questions

1930


What is power relay?

1303


Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

2436


can i connect wavetrap in 2 different phase in EHV line?

1927


can we synchronize star system generators with delta system generators?

2128


Load transfer in 11kv double busbar switchgear - operation.

2014


Why to keep capacitor bank off while generator running.

1854


how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

1661


how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

2432


What are the electrical engineer roles and responsibilities in chemical plant?

1744


What is the type of feedback used in an op- amp schmitt trigger?

1065


please give me solution to rectify the emi(electromagnetic interference)

1975


how can you size an automatic voltage regulator?

2407


how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

2280


how to calculate transformer load?

2538