Electrical Engineering Interview Questions
Questions Answers Views Company eMail

sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

ISRO, Power Grid,

4 13171

Please brief working principle & construction of permanent magnet AC Servo motor

DRJ ARDE,

1741

what is meant by crawling??

10 14120

WHAT IS A COLOUR CODING OF 3 CORE CABLE

11 13598

What do you mean by cogeneration? What its working principle?

2760

what is mean by induction & conduction principle ? how they differ from each other ? thank you

1 3846

Sir, how to calculate the voltage drop and short circuit current of cable. please give me example and formulas.

1 5500

What is the Operating Powerfactor of UPS??? Why??

3 5084

when is the Ohms law is applicable?

ABB,

11 20231

what will happen if dc machine are supplied by ac source??

2 4608

what is the difference between static and dynamic induced emf?

College School Exams Tests, MRF, Suraj Constructions,

14 121733

IC 741 is opampIC..moreover AND OR NOT ICs also have '74' in them.. why is that number specifically used?

1 3111

how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1438

in 132 kv transformer , in which range of transformer oil bdv required ? if it has around 50-55 , then how it was insulated the winding ?

Voltamp,

3 11585

WHY CAN WE NOT CHAGE SPEED OF SYNCHRONOUS MOTOR...............................JUSTIFY

ISMT,

2 4557


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Un-Answered Questions { Electrical Engineering }

Differentiate between voltage and current feedback in amplifiers?

625


how to calculate energy of 3-phase motor?

1546


What is the difference between hot and cold loop testing?

663


difine electrical ballast in HPSVL

1555


In Generator How suction compression power and exhaust works ?

1440






How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?

1625


In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

1838


If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)

1535


What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

1585


define the non synchoronism of synchoronous machine in general g or m??

1438


Difference between low impedance and high impedance Restricted Earth Fault

2619


Why is ignitor used in sodium vapour lamp

2898


What is the source of dependent source ?

1417


If o/p power is doubled by how much does the sound increase

632


why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1502