Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

GE,

1 5172

in which direction real power and reactive power flow and why???????

3 10349

WHAT IS MEANING OF VECTOR GROUP FOR TRANSFORMER

2 13702

Explain the operation of damper winding

2 5499

can we use ELCB and RCBO in one db

6 9619

what is vtg limit of earth and neutral at transformer side?

IOCL,

2036

Which element has power dissipated in it when the source is removed ?

SSC,

2 5383

Transmission through a short line depends on

2261

Negative feedback circuit is an implication of ? -Shunt shunt -Shunt series -series series

1 3504

Which of the following can be operated at higher frequencies ? -SCR -MOSFET -IGBT

4 6545

Latching current is slightly less than ?

2 4482

Which of the following plant has less plant factor ? -Nuclear -Hydro -Diesel -Pumped storage

1 3495

Capacitors are used to ... -Reduce the bill of the farmer -Improve the PF

1 3711

At no load the PF of an alternator -Zero -Zero Lagging -Zero leading -None of the above

2 5354

Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

1928

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Un-Answered Questions { Electrical Engineering }

hi if anybody got model questions for cpcl Grade'A' electrical engineer position.send it to my mail please krishkumar22@gmail.com

2010

what is the voltages using in movie theaters??? why ??why not other??

2299

what are inductive and capacitive voltage transformers.what are their applications

1948

Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

1980

y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..

1987

what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?

7992

Difference between drift current and diffusion current?

1874

in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1879

Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18

2164

ratings of lightning arrester

2047

explain with diagram how to protect transformers and substations from over current with help of CT's?

1954

how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

1896

WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

3169

dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1951

is ac supply can store

2102

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