Resistor switching is used in which type Circuit Breaker
?
a) oil filled CB b) Air blast CB c) Gas filled CB
Answer Posted / arul rajan
AIR BLAST CB
| Is This Answer Correct ? | 60 Yes | 6 No |
Post New Answer View All Answers
1.what is mean by 8/20 micro sec waveshape
How two nos. 130 kw D.C motor get synchronise using D.C drive.
What is a commutator?
why does the magnetic balance tests at transformer?
Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?
Draw a block diagramof Three UPS systems connected in Parallel mode?
how we can do the insulation on secondary of ct explain and so that tan delta will within limit
How to calculate wire length,size & current? ( related to control panel)
1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?
How equivalent impedance is calculated in thevenin theorem?
what is the basic need of domestic loads 1- voltage 2- current
Write masons gain formula.
Why is remote backup preferred to local backup?
For overhead protection we use which transformer?
explain the Trip supervision circuit