1.what is the contact resistace of CB ?
2.radioactivity should be mesured with---------?
Answers were Sorted based on User's Feedback
Answer / rabi
20 micro ohm. it may be less than 20 micro ohm.
|Is This Answer Correct ?||16 Yes||4 No|
Answer / anurag chauhan
Contact resistence of breaker is depending upon how many contacts are comes between the contact resistence meter leads. Count the contacts and calculate the value accordingly 6 to 10 micro ohm for one contact.
|Is This Answer Correct ?||0 Yes||0 No|
Answer / gunasekaran
at the time of contact resistance B/W fixed and moving
contact it is accept up to 100micro ohm for new breaker for
fairly old one is 200 microohm
|Is This Answer Correct ?||1 Yes||3 No|
What is induction motor
What is error of a measurement?
difference b/w eath and neutral
Who is the first Bangladeshi Everest climber? Where is his home district?
What is the resistance to be connected for supplying the load of 20mV,1kohm from 20mV supply using rectifier.
why are laminations used in constructing the field core?
a 440v 60hz 03 phase 100kw generator can deliver how much power in kw for 220v 60hz 01 phase load?
How much duration I can keep open the CT if it is under loading condition(100 Amp load)?
What is the use device of the grid.
what is kvarh? Please difine it With calculation
why our indian system choose the 230 volt for single phase&415 for 3-phase voltage,in forign side 110 volt is used what is the difference
what condition there autotransformer will fail?