Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Ratings of power transformer,Distribution transformer.

1021

why we are using Load factor?

1245

what is legal process of dg set?

Dutron Polymers,

1023

why three phase capacitor takes unbalanced current in capacitor bank?

Aggreko,

939

In the market there is availability of MCCB & ACB (800A), So, Where i can use MCCB & ACB for the same Rating?

1 1444

How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

959

Why the symbol of register is "zig zag"

Suzlon,

1037

why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

Alstom,

946

what is v/f control in VFD?

985

two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

SPCL,

935

how to calculate insulation level of transformer?

1006

What is the difference between line drop and percentage line drop?

Suzlon,

1003

Alternating voltage and current is which type of quantities?

1 1367

difference between high and low impedance BUS BAR relay??

992

3phase cable calculation formula by motor load

937


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Un-Answered Questions { Electrical Engineering }

I want to know all basics of electrical engineering

1373


Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com

1579


why we use 630mm single core cable for transformer secondary side and why two neutral cable

1318


Difference between control junction box (cjb) and power junction box(pjb)?

2670


How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3123






why Lightening Arrester Probe sharp at Top of telecom tower.

1028


what is meant by 3rd hormonics ?

1320


How to know vacuum in vacuum cylinder of breaker in working condition

1404


what rectifiers is and what are the types of rectifiers?

561


How to decide cable tray size?

630


if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1390


All tape of electrical questions Answers tape of motor transformer e.o.t crane

2046


what happens if dc supply is given and the remedies for it.

1212


Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

557


what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

2048