1.Why hydrogen used for cooling in generators
2.Why electrical equipment protected by ground
3.Why earthing for transmission line
4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.



1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why e..

Answer / ckr41091

RMS value will be 1.414.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

Should transformer earthing pit, to be connect to earthing mat in Substation

4 Answers  


what is the length of air terminal in lightening arrester system.

1 Answers  


in a 740 kw dc seperately excited motor field voltage is constant about 17.4 volts and armature voltage is500 volts dc. how it is possible to have two different voltages from single transformer of output voltage 500 volts? if any difficulty in question contact ajitsingh.kadian@gmail.com

1 Answers  


Why the suply frequency in INDIA is 50HZ

2 Answers   HCL,


how many earthing should need for UPS, where its connected

7 Answers   HCL,






Battery is a voltage source? give one example of current source and why?

0 Answers   Suzlon,


what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

0 Answers  


what is back emf?

4 Answers   Bhel,


What is the difference between KW & KVA ?

10 Answers  


a starter used for squirrel cage induction motor?

0 Answers  


how to calculate percentage impedence at 75 deg C at normal tap

0 Answers  


sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?

5 Answers   L&T,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)