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L&T Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is full form of ELECTRICAL?

3 61054

why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 9021

what is the function of short circuit maintenance ct and droop ct.

1 4007

63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

1716

difference between circuit breaker and switchgear?

6 8812





what is the formula of starting current of 3phase and 1 phase motor???

1089

why the protection turbo generators is most complex?

983

A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

2519

how to calculate busbar capacity for 1000Kva transformer having22/.433V

2 4530

is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

940

how many synchronous motor are there in any power plant

964

What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

1185

At what voltage domestic tubelight works?

2 6161

What are the test involved in DG auto synchronizing panel before in manufacturing place before dispatch.

2 3300

What is the clear distance between a MV panel(rear side) and wall.

3 4561

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L&T Electrical Engineering Interview Questions


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1733


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1077


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5


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100


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1522


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135