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Question
What is a circuit breaker contact multiplier relay?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
nc is normally contact to common terminal,when gives supply to the relay common contact to no contact 
Is This Answer Correct ?    0 Yes 0 No
Anand
 
Answer
# 2
You mean the aux switches of cb ? There are NO and NC
contacts (determined when the cb is in open position)which
operate when the cb opens or closes.
 
Is This Answer Correct ?    2 Yes 9 No
K.prakashchandra
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
what is meant by form factor and hoe related with the HT transmission voltage   2
Should the neutral earthing of 33/11KV D-S transformer, be connected to the earth grid?(Yes/ NO) why? Vijai-Electricals 1
why the manufacturer provide M and C terminals ? why they will not internally short them ?   1
what is the maximum genarating in india?   17
AT THE TIME OF INSTALLING THE POWER PLANT POWER IS TAKEN FROM NEARBY GRID AND GIVING THE SUPPLY TO THE GENERATOR WHICH ACTS AS MOTOR. WHAT IS THE NEED OF RUNNING THE GENERATOR AS MOTOR?   6
what diferent amoung three phase supply?   1
what is the funtion of conservator in transformers?   6
which calss ct's,pt', use protection,meatering and others   1
at high temperature conductivity increases for conductor what will happen for long transmission when temperature is high?   1
why voltage rating not mention at HPSV or HPMV lamps? OPS 2
4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?   3
1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines? IOCL 3
 
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