Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

Electrical Engineering Interview Questions
Questions Answers Views Company eMail

in three phase 11kv transformer (11kv/433v) input( R,Y,B) output (X,Y,Z,N) the connection as follows 1 phase R -open 2phase y connected to both R and y of input] 3phase B- B what is the output voltage X to N ,Y to N , Z to N

Bescom,

2 7177

If we tell 60 sq.mm. 3-1/2 core cable,then what does it mean ? 1) Each core section in the whole cable is of 60 sq. mm. 2) The whole cable is of 60 sq. mm. which is sub-divided into 3-1/2 core.

Cura HealthCare,

3 3704

why you don not show protection and type of isolation in key single line diagram?

1063

In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?

Ford,

2 3253

why are the a.c.series motors preferred for electric traction

4 7965

In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?

Tata Motors,

4 7248

IN A SMALL D.C GENERATOR, IF WE REPLACE THE LAMINATED CORE ARMATURE WITH A WOODEN BLOCK OF SAME SIZE & SHAPE AND WIND WIRES WOUND ON THE SLOTS OF WOODEN ARMATURE AND CONNECTED TO THE COMMUTATOR.COMMUTATOR IS FITTED WITH BRUSH TO RECEIVE INDUCED E.M.F.WHETHER E.M.F GENERATED OR NOT?

3 2574

what is purpose of using reactor in substations

NCC,

4 3806

show that power dissipated by a pure inductor exited by a sinusoidal voltage source v = vm sin wt is zero

1 2969

how ceiling fan worked?

1028

Transformer diagram mention each parts ?

1122

why 30kva ups buzzing(hamming) sound?

Madhya Pradesh Electricity Board MPEB,

2 2777

in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

1336

30 kva ups may kitne output voltage hote h

ME,

1 2150

A ceiling fan moves Counter clockwise & a pedestal fan clockwise.....y the difference????

Alstom, NTPC,

5 7910


Post New Electrical Engineering Questions






Un-Answered Questions { Electrical Engineering }

What information we need to prepare relay coordination chart

1398


How does the phase sequence controller works, how it identifies the phases? confirm working principle

995


Is Transol transformer oil comparable to nynas nytro libra?

2121


Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

991


what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

1053






Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

1209


why different series of vfds (like allenbradley)are used in industry ?

1363


What is block diagram?

205


What is difference between isolator and circuit breaker?

181


What are the effects of electrical faults?

189


what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

2667


The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

1075


temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1079


Can we put 3 layers of cable tray while installing tray

1510


What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

1323