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Question
what is differnce between oil transformer & dry type
transformer ???????????
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
oil emersed xformer- uses oil for cooling system

dry type xformer uses only his housing for cooling system.
we call it heat sink
 
Is This Answer Correct ?    2 Yes 0 No
George
 
Answer
# 2
In Oil transformer, Mineral Oil is used for insulation and
cooling pupose but in dry type transformer, no any kind of
oil is used. In dry type transformer, other methods of
cooling are used i.e. air cold, water cold etc. and for
insulation purpose air, vaccume etc. are used.
 
Is This Answer Correct ?    0 Yes 5 No
Raza
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
what is Bucholtz Relay test???? Explain?? KSEB 2
what is the use of tertiary winding?   2
what is full wave bridge?   3
Why the Transformer connection is changing in different transformer?(Like Star & Delta,Delta & Delta,Star & Star,Delta Star) From that connection where it is used?   2
What is Horan Gap Fuse? Where it is used?   1
wat is syncronization . wat parameter will take for syncronization. IIT 2
what is cogging? how it can be controlled? HCL 1
WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES?   6
Why TAP changer provided in primary side of HT transformer ? and why not in secondary? Reliance 8
what will happen if i connect the buchholz relay in reverse direction.   1
As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?   2
1. what is usage for power factor in industries?? 2.why we need to monitor power factor?? Havells 4
 
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