1. Categories >> Engineering >> Electrical Engineering
  2. Suggest New Category
Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why we use ups battery and dsdb battery in thermal power plant

MDeC,

1628

I had finished D.E.E.E at 2004,I wish to take C license.I am working pvt company HT supply but my professional certificate was missing.I have diploma & course completed certificate.without professinel may I got c license?.pls guide me.

OEG,

1 2587

difference between converter and invertor

 2 4367

Can I use star delta connected induction motor for dual supply voltage?

 1506

What is the physical significant of power factor?

Cooper,

1480

what is the significant for using two types of voltage(line voltage & phase voltage)

NTPC,

1 2926

How to calculate the cross section area for a 350 m cable, motor power is 26 kw???

Orient,

1 4108

what happens when a dc shunt motor fed with an alternating suppy ?

 1 3309

What is the formula to calculate distribution transformer De-rating on iron losses basis

IESCO,

1345

Dear All, Can anybody please tell me which value(saturated or unsaturated) of sub-transient reactance(Xd") we take for the calculation of fault current of the system?

 2 5189

Petroleum jelly is applied to the terminals of the lead acid battery is to prevent?

KSEB,

2 6076

In a Capacitor the electric charge is stored in:

TELK Transformers And Electricals Kerala Limited,

2 4068

Rated moter voltage and frequency is 380volt 60 hz but moter is running at 380votac 50hz is this harmful for moter winding

Infosys,

1 5083

what happen if the battery is charged by more than one source ,for ex: connecting data cable to laptop & charger pin to source supply ? 

 2 3700

When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?

 2 3551

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is transmittance?

626

In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

1743

why power factor is important?

8280

what is per unit calculation?looking for simple and strong explanation thk u

2431

You are of electrical field and you are going for software? Why

1839




plz tell me,ht and lt panel terminals in substations explain beiefly

2330

Why control of DC motor is simpler?

1929

which protection function should measure RMS value of current&DFT value of current?

1455

How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

2037

how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1440

difference between ac series and parallel circuit

1460

What are the advantages of instrument transformer?

630

what is meant by 3rd hormonics ?

1390

HOW WORK HEAT PLATE EXCHANGER

1510

how to estimate wiring ins roughing ins. and boxes

1942

For More Un-Answered { Electrical Engineering } Questions Click Here