Electrical Engineering Interview Questions
Questions Answers Views Company eMail

critically criticize the application of ring main unit in power system

969

why i can not use thimble on capacitor duty contactor

834

Make a list of materials and layout diagram for a 35hp motor, to be wired at 35meter away from the MDB in a chemical factory.

FEWA,

2 3312

Draw SLD for a panel has 500A Bus Bar rating, with 4 outgoing, each is 80 A (load current), showing the transformer and capacitor bank rating.

FEWA,

1053

Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

FEWA, HMK,

1366

Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

FEWA, HMK,

1167

what are the disadvantages of low power factor

HMK,

837

how can we Increase the Value Of Frequency in electric circuits

HMK,

892

Give accurate definitions for these electric terms: Inductor Inductance Inductive Induction Reactance Reactive Esam Baraka ٢١ ساعة

HMK,

886

how to calculate short circuit current for the busbar

HMK,

919

What is main purpose of chock coil and starter in florescent tube ?

1 1373

What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

1084

7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

2 9623

What is duty cycle for HT motors? How many start permitted if mentioned as 01 for hot and 02 for cold per duty cycle?

GVK,

1 1615

Purpose of providing neutral isolation panel for parallel operation of diesel generator

1154


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what are the differant std sizes of cable trenches?

1501


How to calculate approximate load loss of a distribution transformer by knowing %ge imp of transformer?

1721


What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1348


ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

3670


What are IR values and what it should be for coil and for insulator

2485






Parts of machine and their discription in details with suitable photo

1606


How to perform a DC resistance test In Alternator and their proceduces?

1028


What consists of 2 or more thermocouples to be connented series?

1734


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1034


what is the need of starter in tube light and what type of starter is used in that?

1490


why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

1594


HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel

1771


What is referred to the electron in the outer orbit?

674


I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????

1406


Leakage current,un balance current which relay using for high voltage transmission?

1604