Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

170

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

119

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

140




my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking

111

what is feeder bay?

258

What is difference between insulating medium and fault current interruption medium in a switching device.

264

What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

Viva,

184

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

155




11 kv input, 66 kv input advantages

146

What is CCM in Electrical ? where can we use this material?

154

for what purpose the star point is done in ct

163

can we install LT panel & HT panel in one room?

1 308

can we install HT panel & LT panel side by side or how much clearance is required ?

181

what is resver in electrical enginnering with answer

219

surge tank, hrc fuse, earthing transformer, firm power objective type

192


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Un-Answered Questions { Electrical Engineering }

I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

614


what is deffrence between squirral cage and wound rotor in IM?

666


gas turbine genrator reactances

632


What are the limitations of Kirchoff's laws?

311


WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

725






how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

737


When we need up only in o/p 440v, so why we use directly in 11kva in input?

537


I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

895


hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

744


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

621


1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

904


What current position are you holding in your current company?

816


Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

787


what is the difference between general inverter and solor inverter clerly explain plz

671


does buccholz in a transformer use batteries

2234