Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to Make relay co ordination chart for a Electrical power distribution of a plant

3411

sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

1 3507

how to calculate the current if i know power in MW and voltage 11kv/415v and also want to know that incoming cables for trnsformer

Daikin, KOC, Reliance,

6 45291

How to calculate unit consumption on the basis of load. kWH=kwXhrs.is it correct? kw is motor load.What is unit consumption at 100% load, 50% load & on no load.

GIL,

6 53568

How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

Grasim,

2462

Selection criteria for Vector group in power / distribution transformer.

ABC,

1 7897

If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

L&T,

6 11277

what is the different between DC & AC load Line.

Emarat,

1 6181

tell me about vfd

8 11016

Suppose am having the PF value .8, so how can we say that is it lagging or leading?

Bhel,

11 13355

how to calculate the multiplication factor in HT incomer trivector meters

Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

9 71037

HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL STARTER? & in dol why it is require circuit breaker?

DLF,

6 20611

What is rms value wher it is used??????????

1 4334

How do you reverse the direction of rotation of a FAN?

CPCL, IOCL,

13 51884

how can we rotate a single phase motor (without cap.)in reverse direction?

2 4576


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Un-Answered Questions { Electrical Engineering }

How to calculate Voltage regulation of 22 KV Over head Line.

1317


can you plz send l&t aptitude questions if available its urgent plz plz plz

1786


Can we put 3 layers of cable tray while installing tray

2081


what is metering cum synchronizing panel and how it is used?

4200


why electron produce magnetic field when it is in motion?

1828






What is the role of feedback in a closed loop control system?

769


aternator every parts and its working

1322


how many types of motor can be used in washing machine

1784


why capacitive load is not used in routine life????any reason is there ??????

1280


what is ratio of copper wire size and current ?

1504


any earth foult trip the relay but in welding time not trip by earth foult

2868


What are the basic components of the feedback control system?

733


In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

1687


what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

2098


What is the capacity of the Fastners 12mm?

2020