Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How much water ( Kilo Liters) a submercible pump of 35 HP can lift from Borewell of 6" and 900 feet dip.

2 4697

ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 2334

How will polarity test of Dy5 transformer ?

BSL,

2 7676

what does a k rating in a transformer means?

2037

For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1643

principle of power export and import in captive power plant.Is it depends upon voltage,current or frequency?Plz explain briefly.

1 3351

if the length, number of turns and area of coil are doubled then inductance of the coil becomes.?

1 4203

the circuit having same properties in either direction is known as.......

2 7328

the typical output of a solar cell is........

1828

which of the following can produce maximum induced voltage..... (a)1amp dc current (b)50amp dc current (c) 1amp 60 cycle ac current (d)1amp 490 cycle ac current.

2 7017

all types of electrical quations

1 3745

if a 3phase motor runnig in star delta starter with full load of its,and its rated 15 amps.now we conneted over load thermal relay at its main contactor,here what will be our amps sittings?

3 4897

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1674

why the Different manufacture's rating of Gas genset are different? i.e : cummins genset rating is in KVA .( 625kv). While GE- Jenbacher make genset have rating in Kw. (625 kw)

L&T,

1 3026

what meant by Locked Rotor Current ?

2 3973


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What are reasond for high wattage in single phase induction motors

1362


What is meant by reverse polarity and how it can be fixed?

737


State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp

1458


Do you need any help with FEWA Electrical Supervisor exams?

530


Why derating factor os applied on Cables?

1499






How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

2999


2. What are the parameters of EHT sub-station?

1823


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1411


I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

1415


How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

1610


1 hp is equal to how much watt?

707


what is excitation/

1712


PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

1405


Why human body feel electric shock?

619


is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

1576