Electrical Engineering Interview Questions
Questions Answers Views Company eMail

mccb service sittings be done?

548

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

636

CAn a TJM 10 relay measure over current ?

2 5145




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

1 2015

why magnetising curve not start with zero voltage?

TATA,

768

what s d difference between inverter an ups

Jindal,

1 3178

why are transformers rated in KVA and not in KW

Bosch, ABB,

8 7695

Why glands not provided for XLPE cables

Saint Gobain,

1 4213




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

1 2086

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

Bhel, Minda,

794

WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?

2670

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?

607

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 1537

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

3 8239

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

628


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Un-Answered Questions { Electrical Engineering }

How to use computer cpu ups use for home inverter circuit board

485


what things to be considered when designing UPS

413


How much earthing require for h.t.22 k.v. cable in coming side & out going & 22 lighting arrest or,22 k.v.D.o. & A.B. switch.

851


If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

748


what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

629






power transmission pole used one support , that only for support or earthing

603


why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?

1588


what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

654


how to determine the inrush current of a transformer

1201


If we want to change a contactor of faulty one what are the conditions want to fullfil

731


how to decide the panel size like MDB ,SMDB PANEL SIZES

5408


How to resolve if Diesel generator stop while running ?

1806


What is hipot test procedure?

128


PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

711


what is buffer resistance starter.?.What is the working principle and where it is used..?

696