Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why the motor is rated as kw& transformer as kva

Areva,

7 9540

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1373

why America use 60HZ 110V?

Kalindee Rail,

4 12231

1)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.

5 35939

WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

1280

WHAT MEANT BY SEVICE FOCTOR?

2 3367

what is the accaptable voltage between neutral to earth & How to reduse the resistance of earth in chemical earthing

4 5007

what is the meaning of Dd0yn11

2 10621

HOW TO CALCULATE EACH PHASE CURRENT WHILE A MOTOR CONNECTED TO STAR- DELTA STARTER?

3 6116

1.what is the difference between MPCB and MCB ? 2.what is the difference between MPCB and MCCB ?

6 45222

Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it

2 4123

why we are using DC violtage for testing of cables....which is used in HV AC applicatons...

1 3785

WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

1 2870

transformer 3 ph, 225 kva pri 480v, sec 208v. primary neutral connected to system, is secondary neutral to be grounded and how

1 3275

how ELCB drip when earth and phase touch together?

2 4546


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

1387


What id difference between power and energy?

567


why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1294


why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

882


what should be the acceptrd value of winding resistance for 2.5MVA transformer

1769






How to measure size of cable on a given load

1311


HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

1346


what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

1484


Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

3161


If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?

3935


What are safety device in vcb and acb?

3172


In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

1778


Sate maximum power transfer theorem?

616


What are the relays in ACB and VCB

1626


What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

1410