Electrical Engineering Interview Questions
Questions Answers Views Company eMail

mccb service sittings be done?

678

what is sevice settings for mccb?How can be it setted?

753

CAn a TJM 10 relay measure over current ?

2 5600




what is sevice settings for mccb?How can be it setted?

1 2246

why magnetising curve not start with zero voltage?

TATA,

996

what s d difference between inverter an ups

Jindal,

1 3460

why are transformers rated in KVA and not in KW

Bosch, ABB,

8 8588

Why glands not provided for XLPE cables

Saint Gobain,

1 4598




Why screen of the screened cable not earthed on both the ends of cable

1 2323

what is sevice settings for mccb?How can be it setted?

Bhel, Minda,

938

WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?

2801

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

750

what are the functions & ratings of panels mentioned below: 1. Main LT Panel(MLTP) 2. Motor Control Centre(MCC) 3.Feeder pillars 4.Busducts

Aurobindo,

1 1946

what is the meaning and difference between ELECTRICAL DRAWOUT and MANUAL DRAWOUT?

3 8952

what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

773


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Un-Answered Questions { Electrical Engineering }

What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

1090


what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

1058


DC transmission

873


Why do we use center tap transformer that used with portable tools

1086


What is the difference between AC and DC injection methods for rotor earth fault protection

970






How to Calculate The sag of OPGW in Transmission Line???

1745


Is vtg is controlled by the resistor? if else how much?

909


from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

935


can u please mail me the syllabus for GET exam for damodar valley corporation?

916


How to select HT/MV cable size ?

1290


Basic motor transformer generator

230


234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

801


WHICH SIZE A.B.CABLE IS USED FOR 11KV.

1031


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

886


Why induction motor is widely used in industry

1508