Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what are the advantages of having high voltage in transmission lines?

5 3956

What Should be the rating of transformer used in 33KV substation?

3 9121

onan full form

5 3168




n1 =1000 n2 =?;v1 =200:v2 =400

APGenco,

1 1933

HOW MUCH CURRENT CAN CARRY A 50 kvar DELTA CAPACITOR BANK?

2 2975

what is function of rtu?

1 2206

hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects

512

how is the many rpm of acb charging motor ?

1 2812




why the transformers are rated in kv not kw?

L&T,

6 4110

why we grounding the neutral of a transformer?

GAS,

3 2414

Does human body can effect the electric shock when stand on Insulated material?

2 2113

why we create vaccume in transformer tank before oil filteration?

CG CoreEL,

3 3024

what is apparent poewr, reactive power, & active power?

682

what is the difference between RTD & TERMO COUPLE?

1 2777

what is the difference b/w low voltage motors & medium voltage motors

1 2281


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Un-Answered Questions { Electrical Engineering }

what is the chiller and working principal

823


What is evaporator & condencer & compressor

587


what is the difference b/w ground & virtual ground?

776


What is mean 2XWY

456


neutral earth resistance testing is it possible for transformer while in load condition

483


Why do we require transformer with less specific weight if supply frequency is increased?

202


l&t switch FN 63 handle position can we change

1047


why do we use 25kv supply for traction purpose?

613


What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

673


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?

378


Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

9


How can I calculate ISF of current transformer?

1366


What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

1159


The armature of shunt dc motor has 0.8ohm resistance and motor is to run on 120V circuit.If motor is suddenly thrown on circuit while armature at standstill then current drawn by motor will be??Also back emf in normal running is 110V

645


Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

604