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Electrical Engineering Interview Questions

why master trip(86) used in eletromagnet?

2559

In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.

1401

why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer?

9334

what is the function of turbo in dg sets

2740

how to reverse the direction of universal motor?

4456

send me all basic electrical question and answers

2357

why r we using shell transformer for low voltage

1371

what shoud be strength and weakness to impress interviewer????????

1451

What is C2-M2-E2 class in circuit breaker. why and where it is to be used in circuit breaker

20503

why transformer rating is in KVA?

ABB,

5935

Why have to use copper cable for local isolator to motor ?

1477

electricity board have asked me what size meter i need fitted in my garage, its a 415volt supply and i want to run six 20amp supplies tolifts and things plus ten florry lights , what kva meter do i need??

HCL,

3490

what is voltage ?

5629

. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

2655

how to caluclate cable size by Amps

3865

Un-Answered Questions { Electrical Engineering }

how to calculate the distance relay faulty zone?pls explain?

1422

What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

1543

Usage of flywheel diode in relays

1204

concept of busbar and load dispatching..?

1759

how to carried out DAR test in 11 KV Alternator ?

1653

What is conventional thermal current (Ith)

3535

1234

Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1435

What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?

1155

what is meant by k-rating in isolation transformer?what is k9, k14 stands for?

1918

what is gas turbine intercooling ?

1367

In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?

2585

what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?

1326

How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

1388

Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

1862