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

 1674

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

Voltas, UltraTech,

3 8868

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

Samsung, UltraTech,

4 20038



how to set the time in digital timer ?

 717

wat is the criteria we use the diff. relay ?

 2 2591

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

 612

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"

 958

what is MC 61 relay

 2 12919



which pump is suitable for home use ?

 3 3519

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

Power Grid,

5 5533

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

Ispat,

2655

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

 6 5027

What is Earthing?

Essar,

16 15347

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

 3 5027

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

Bhel,

2 5546

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Un-Answered Questions { Electrical Engineering }

How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

747

how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)

461

Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

630

if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

912

What is the ratio of Booster transformer?

867




HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

628

hello friends..... any one have papers or any study materials?sail ,hpcl...?

678

What are the main parts of central chiller plant? Explain the function of each stage.

3411

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

223

what is the purpose of silicon dropper used in battery charger?

3802

Load break swicth maintenance procedure.

581

3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

732

what is the condition for YnD11

1208

What is the problem of internal failure in ship engine telegraph system norcontrol?

750

why power factor is lagging and leading(i.e -1to +1)

440

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