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DLF Electrical Engineering Interview Questions
Questions Answers Views Company eMail

difference between the earthing,grounding and neutral

1 3289

what is the use of power transformer in GSS.

1393

What is short circuit analysis of electrical networks?What are the procedures to be followed for its calculation?

2 6040

Why we does earthing for transformer neutral point

5 8706

how to decide the load on secondary of the tranformer

1 2798





in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?

1 1213

For 7.5HP motor 2880rpm 415VAC Connected with Pressurisation Fan we used Star Delta Startor why not we use DOL startor

2 3862

How much difference can there be between HT & LT KWH unit consumption at the same load?

1 4001

why we do not switched on capicitor panel with DG Supply

3 3543

what is ATS?and its function or operation in power system with its layout.

1 2763

how can we choose the size of road crossing pipe for power cables

2 2311

what is the installation process for lifts

1220

What is the criteria in selecting Air circuit breaker(ACB) & Moulded case circuit breaker(MCCB) for a particular range?

3 4722

why ht line fuse wire is so thin

7 5932

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902






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191


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What is a class in r?

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What are 3 boolean operators?

88