Electrical Engineering Interview Questions
Questions Answers Views Company eMail

difference between elcb and rccb

ITC Infotech,

3 19821

In India,we use 230V,50HZ,where as many other countries use 110V,60HZ what r d advantages and disadvantages of each of them?

GVK,

7 20505

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

2 5517




The readings with a Multi meter are 15 Amps Phase Neutral 192,Phase Earth 194 and Neutral Earth 24 5 Amps Phase neutral 192, Phase Earth 153, neutral Earth 48

1 1610

The reason why the sending end and receiving end voltage sare almost equal when capacitive load is added.

4 6779

WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

11 14332

WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??

657

can we connect transformer with star conected secondary to delta connected primary in series?

1 2179




why mccb is not tripping when phase & neutral terminal are interched ?

4 6819

What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

1596

plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

Bhel, Maruti Suzuki,

933

for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

WGPSN,

4 10536

What is STEP VOLTAGE ?

7 14938

How can we measure the frequency of a rotor running in full load condition? Explain the method of measuring.

Wipro,

2 3614

how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

Bosch, NMDC,

5 37056


Post New Electrical Engineering Questions






Un-Answered Questions { Electrical Engineering }

in dc series motor if field wdg is shorted then

612


Write down the brushes of a de machine.

652


Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

407


Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

778


Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss

1826






write down the formula of cable size in RM if current is 50Amp.

68


After doubling voltage from solar cells & use step down voltage transformer can we get high current output with low voltage.

639


How will be the single line diagram of series trip HT breaker? how it works?

1259


why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

720


what is the safety of voltage power transformer(2250KVA0

743


what is the formula of starting current of 3phase and 1 phase motor???

784


why cable i burning without tripping. how can protect led street lights

250


How REF protects transformer alone? explain with diagram.

175


What is core CT & it's function?

770


How calculated single phase induction motor req. Capacitor?

213