At light load transformer efficiency is less because
A secondary output is low B transformer losses
are high

C fixed loss is high compared to output
copper loss is small

At light load transformer efficiency is less because A secondary output is low B transformer losses..

Answer / bikash

C fixed loss is high compared to output

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?

0 Answers   Schneider,

How many battery required for an 3kva online ups with 3 hrs back up with usage of 3 fans,3tube lights

1 Answers  

why characteristics of overcurrent relay is time-->psm instead of time-->current?

0 Answers   ABB,

Why two phase welding machine is used instead of three phase welding machine.

0 Answers   Merck,

in my observation NCT is used at Karnataka power transmission. why we are not used in andhra pradesh

1 Answers  

what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

0 Answers  

what is creep of energy meter?

2 Answers   HNG,

What is the difference between reverse power trip & inadvertant trip?

1 Answers  

protection used for alternator , feeder , transmission line

3 Answers   NHPC, Perfetti,

what is stacking factor?

1 Answers  

Refernce currents are to be generated using refernce cueernts how can this be done

0 Answers   ABC, Wipro,

conditions for parallel operation of dc generators

4 Answers  

  • Civil Engineering Interview Questions Civil Engineering (4653)
  • Mechanical Engineering Interview Questions Mechanical Engineering (3710)
  • Electrical Engineering Interview Questions Electrical Engineering (15820)
  • Electronics Communications Interview Questions Electronics Communications (2685)
  • Chemical Engineering Interview Questions Chemical Engineering (763)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (127)
  • Bio Engineering Interview Questions Bio Engineering (30)
  • Metallurgy Interview Questions Metallurgy (95)
  • Industrial Engineering Interview Questions Industrial Engineering (199)
  • Instrumentation Interview Questions Instrumentation (2885)
  • Automobile Engineering Interview Questions Automobile Engineering (171)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (74)
  • Marine Engineering Interview Questions Marine Engineering (103)
  • Power Plant Engineering Interview Questions Power Plant Engineering (170)
  • Engineering AllOther Interview Questions Engineering AllOther (1371)