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What will happen if i replace a inductive proximity switch with photo sensor in a machine?
Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?
What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter
Why an ac systems are preferred over dc systems?
What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?
Why derivative controller is not used in control systems?
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)
What is frantic effect?
2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation
Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?
how to select proper cable for ct wiring so that drop within the limit.
How the PF control while running DG set with load
If I want to buy a new Xformer for my plant what are the main parameter will I need to check?
