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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

we want low electricity at lower speed of fan.what we have to do?

5 6748

only some transformers and some generator requires NGR why?

1 4941

what is entropy?

NTPC,

3 6303

why mosquito bat makes noise when it hits with a insect?

2 6441

What is meant by SPS Aluminium pipe in substations? Anyone knows whats this?

Amec,

1 5215

What is the actual meaning between the energy conservation and energy saving ?

3 5352

why threre are two parallel lines in transformer's symbol?

NTPC,

11 32565

How to calculate the NGR value for a 2.7MVA Transfomer, 11KV system where the fault current has to be limited to 50A?

Sterling Wilson,

1 8269

1. When do you use a VFD motor? 2. If the ceiling fan is on slow speed, does it consume less electricity? 3. If we want the fan to consume less electricity at low speed, what do we have to do? 4. What does “battery of 180 AMP HOUR” mean to you? 5. What does “battery of 180 AMP HOUR” mean to you? 6. If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

Asian Power, Bhel, Focus, Focus Energy, L&T,

6 15622

IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

2105

why any surge protection is not provided to UHV ac transmission line (765kv) ?

NK Power Systems, Reliance,

1 4897

what is sf6 where it is use & working or function ?

5 9481

what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?

2269

We have 2 Nos. Transformer with the capacity of 2000KVA and 1250 KVA and currently using only one 2000KVA T/R during operational hours while non- operational hous 1250 KVA T/R also used to reduce T & D losses. Similarly, 2 capacitor bank of 500KVAR and 300 KVAR also installed to balance reactive power. Now problem is around 1000 KW load PF is not maintaning 0.99 as 350 KVAR capacitor is in healty condtion. Now the PF is maintain 0.95 to 0.96.

2 7171

How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?

Quippo,

3211


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

2049


What is the complete procedure of erection of electrical panel in industry

1883


What is purpose of reactor?.What is different between line and bus reactor?

1963


What Should be the value of Vector Surge angle at Tripping and how to calculate it?

2069


What was your role in the silicon evaluation/product ramp? What tools did you use?

1962


one electromagnet is called

1941


I am experienced with house and industrial wiring but I don't have any licence how can I apply an licence and which type of licence i can get i didn't complete deee just only experience

1652


Why the cores of large transformers build up of circular cross section?

2310


Hoe do calculate the Cable size for Amps rating ?

2178


specific difference of ICT&Auto Transformer

1912


How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator

2057


Why different Pressure switch used in marine boiler water circulation system

1780


How to perform a DC resistance test In Alternator and their proceduces?

1776


what is the difference between interconnection and intraconnections in the circuit diagrams

8415


what is the difference between capacitive and resistive voltage divider?

3550