Electrical Engineering Interview Questions
Questions Answers Views Company eMail

HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

CA,

2 8410

what is the difference between KW and KVA?

15 56256

how do find power factor in practically and what it means?

3 4642




why transformer rating in kva ?

RRB, Eltel,

14 12812

Why the transformer rating is denoted in VA rating why not in KW

7 11088

what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

BEL,

3 6418

What is the reactive power and how to control the reactive power in power plant

14 16749

Why we should use delta connection in primary and star connection in an distribution transformer, which converts 400v a.c. voltage to 33kv.

Sify, ABC, Kirloskar,

15 34757




What is the difference between CRNO and CRGO in an transformer and what is the advantages of these two.

CIL, ETA, Kirloskar, Anchor,

13 51803

sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

HPCL,

758

i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

Bhel,

761

in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 17746

What is the difference between Neutral and Earth

Bhel,

6 6352

How do you select a cable size(cu and Al) for a particular load

Pepsi,

6 7996

How do you select a cable size(Cu&Al) for a particular load

Adhunik, TATA, BPCL Bharat Petroleum, Hiecon,

10 24430


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Un-Answered Questions { Electrical Engineering }

What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

716


How calculated single phase induction motor req. Capacitor?

213


Please give me a erda placement paper

401


my project load is 6 MW so please suggest the size of cable.. ALU 3c 400 aqmm cable can be sufficient.. is there any thumb rule for calculation of cable size please help me

394


HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT

723






anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

606


I want to make street light with solar system ... What may I do for procedure and how much of estimation for each material ... If any one knows guide me and inform this id : aravindd7@gmail.com

408


How to maintain ac plant?

670


Why do power lines not short out when they fall into water?

686


it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

707


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

622


How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

2534


What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

1024


What is the formula to calculate the rating of a three phase miniature circuit breaker

751


what is working process of star delta controlling circuit ?

612