Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

2578

How to calculate the size of window A.C. for 200 Sq. ft room?

UltraTech, Voltas,

4 11844

Why A.C. capacity given in Ton. Ex. - 1.5 Ton

Samsung, UltraTech,

4 23688

how to set the time in digital timer ?

1565

wat is the criteria we use the diff. relay ?

2 4069

role of europe union in UK safety legistlation (electrical safety)

1354

How can I calculate the fault level of a transformer. 1. If fault is 3phase fault 2. If fault is 1phase fault 3. If fault is 2phase fault Dear all geniouses, can you help me by giving answer. If anybody want to send something then mail me at "msalam_shahin@yahoo.com"

1736

what is MC 61 relay

2 15807

which pump is suitable for home use ?

3 5285

can we connect both delta and star to the transformer secondary and for what reason?

Power Grid,

5 7711

how you configure motorvision relay (L&T make)from DCS

Ispat,

4331

what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 7823

What is Earthing?

Essar,

16 21390

how to match 0 -10V with 4 - 20mA

3 6865

please tell me the all the spcications of the 100MW 11KV HYDEL POWER PLANT SPECICATIONS

Bhel,

2 7032


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Un-Answered Questions { Electrical Engineering }

Give the topology of current amplifier with current shunt feedback?

717


How to calculate Temp from Resister from PT100 equation,

1210


i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1191


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

1940


What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

876






what will happen if synchronous machine rotor fed from single phase ac supply 

1305


what is the use of the circle diagram

4538


How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.

2160


why burdens of VTs is more than CTs?

1352


How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

2768


what is the meaning of WYE and DELTA in Electric meter?

3346


why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

1288


What is meant by Load Encroachment in OHL Feeder Protection?

3112


WHY BREAKER ARE USED IN SUBSTATIONS?

1735


why a tester wont shock while testing the power in house

1331