Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 11217

how to reduce earth to neutral voltage?

Field Gun Factory,

8 26687

what is the differnce of STATIC ENERGY METER FROM ordinary energy meter?

1 3481

Any one can explaination about calibration with rotating sub standards?

2073

What is the basic working principle of Tri vector meter?

TCS,

5 31984

What is the difference between double compression

Bhel, Hyundai, Orchid Chemicals and Pharmaceuticals, PDO, Prefamac,

7 58952

how current flows in circuit?

11 17938

What is the current flow in 230v ac supply ? What is the current flow in 415v Ac supply ?

6 32543

why the power factor in inductive load is lagging while it is leading in capacitive load?

6 19002

what type of earthing is done on hilly rocks.

4 19859

what is the difference between Earthing,Grounding and neutral?

Biocon, Tata Steel Limited,

3 8359

What is the output voltage of a DG set.

Fitness First,

3 8910

Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

Grasim,

2380

I am inpecting a 10kVA UPS what tests should i do and should i observe?

2216

what do you mean by synchronous speed of a three phase induction motor?

FlexPoint,

5 14968

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What are hrc fuses and where it is used?

1187

Define the three phase formula fuse.

1869

Why can't we take NO LOAD TRIAL of motors having V1 mounting??

1926

what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

2035

What do you mean by ratio correction factor of instrument transformer?

1175

how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823

1801

would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

2474

if i get a drop in my 1st year and the i clear my 2nd year and 3rd year all clear and i dont have any back logs so can i be able to sit in campus selection??

1855

Rules and standards of electrical control wiring ?

1154

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

5023

sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2175

Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

4279

can the measured percentage error during calibration of single phase energy meter be negative?

2410

how to calculate the conductor size for certain KV transmission line and distribution line?

2514

what is the difference between the characteristics of two different phase bushing of any transformer

1806

For More Un-Answered { Electrical Engineering } Questions Click Here