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DLF Electrical Engineering Interview Questions
Questions Answers Views Company eMail

difference between the earthing,grounding and neutral

1 2899

what is the use of power transformer in GSS.

1108

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

2 5335

Why we does earthing for transformer neutral point

5 7907

how to decide the load on secondary of the tranformer

1 2401





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?

1 849

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

2 3334

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

1 2774

why we do not switched on capicitor panel with DG Supply

3 3001

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

1 2421

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

2 1894

what is the installation process for lifts

933

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

3 3664

why ht line fuse wire is so thin

7 4098

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Un-Answered Questions

if company having a loss consecutive last more than 2 years, Depreciation on equipment should be appear in profit and loss a/c or pass the provision entry every unless company not recover profit. Please explain.

445


what is the technology used in sap?

975


What is the number of IS code of practice to be followed for hydraulic design of sewerage pipe line?

1314


Why mostly the HV side of transformer has Delta?

1773


if zero ohm is not adjusted on shorting the two terminal of multimeter what does it indicate

892






What were the major challenges u faced while testing

1282


I have created a database "TestingDB" in MS SQL Server 2005. I have set the port properties and the Cognos Service is up. But I don't see anything in the Cognos. In the administration i have set the ODBC connection and it tested successfully.If i copy the samples to the appropriate directory then i can see the samples.But I don't know how to do the same thing with my own database "TestingDB". As i have configure the cognos in my company which is having a database (very near to production database).I am a novice in cognos. Please help me out.

821


what are the common Problems with printing, preview and paper size in Quick Reports?

744


What is rate of concrete surface rendering work per sqm

523


How to arrive the co- efficient of all civil activities? For ex:- painting-enamel in wooden doors. co efficient is 1.8. How this is calculated

868


How to reboot the (crashed) box via remote gdb? How?

1156


Hi Could any one please explain various business scenarios handled in sap.THis was the question i was asked in the interview i explained to an extent but he is not satisfied. Secondly if a person is terminated what will happen to data how long it will be maintained in the master data? Thirdly if a person is in contract is made to permanent what are the transactions carried out? If a person is terminated whether his data is deleted immediately. How long his data will be stored in the database whether it is permanently deleted or not? Pls answer for these questions asap. Thanks Priya

999


what is Auto increment Build Number?

1207


describe different skills required for a manager and pesponsibilities of a professional manager.

1277


How to stop the evergreen renewal contracts types?

656






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