Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
 Do you have a collection of Interview Questions and interested to share with us!! Please send that collection to along with your userid / name. ThanQ

 Categories >> Engineering >> Electrical Engineering

 Civil Engineering Interview Questions (2988) Mechanical Engineering Interview Questions (3264) Electrical Engineering Interview Questions (13164) Electronics Communications Interview Questions (2344) Chemical Engineering Interview Questions (407) Aeronautical Engineering Interview Questions (76) Bio Engineering Interview Questions (16) Metallurgy Interview Questions (79) Industrial Engineering Interview Questions (162) Instrumentation Interview Questions (2309) Automobile Engineering Interview Questions (104) Mechatronics Engineering Interview Questions (38) Marine Engineering Interview Questions (43) Power Plant Engineering Interview Questions (69) Engineering AllOther Interview Questions (1186)
Question
`What is the formula for calculating transformer Efficiency?`
Question Submitted By :: Hcnaidu
I also faced this Question!!     Rank Answer Posted By

Re: What is the formula for calculating transformer Efficiency?
# 1
Output Power/Input Power*100
 Is This Answer Correct ? 10 Yes 1 No
Hcnaidu

Re: What is the formula for calculating transformer Efficiency?
# 2
%eff=(output power)/(input power)
=(output power)/(output power + total losses)
=(output power)/(output power + iron loss + cu loss)

 Is This Answer Correct ? 2 Yes 1 No
Bhavana

  Question Asked @ Answers Other Electrical Engineering Interview Questions A 12.5 hp slip ring motor taking high initial current and its MPCB is getting open.what may be the reason? 3 What is the difference between RMS and average value HPCL 4 1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is...... SSC 3 what happen if i connect DYn11 and DYn1 vector group transformer in parrallel?other things are same like votage ration,x/r ratiob etc... 2 What is the range of efficiency of thermal or steam power plants? Why it is so low? 2 What is the gain of 1-s/1=s at 1 rad/sec? NPCIL 3 AP Transco Assistant Engineer (Electrical) Model Question papers APTransco 2 What is the avergae difference between OTI and WTI for EHV Power transformer? 6 explain in detail HV & LV bushing connection in power transformer (110 / 11 kv 16 MVA) TNEB-Tamil-Nadu-Electricity-Board 6 what is meant by phase &line voltage, how its differ from each other ? 5 what is the working of hydrent system. 2 What is the difference between a Junction Box and a Marshalling Box? 7 For more Electrical Engineering Interview Questions Click Here