Solved papers for JEE Main & Advanced AIEEE Solved Paper-2012

done AIEEE Solved Paper-2012 Total Questions - 2

• question_answer1) Helium gas goes through a cycle ABCDA (consisting of two isochoric and isobaric lines) as shown in figure. Efficiency of this cycle is nearly : (Assume the gas to be close to ideal gas)                  AIEEE  Solved  Paper-2012
  A)
  15.4%                      
  done clear
  B)
  9.1%
  done clear
  C)
  10.5%                      
  done clear
  D)
  12.5%
  done clear
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• question_answer2) A Carnot engine, whose efficiency is 40%, takes in heat from a source maintained at a temperature of 500K. It is desired to have an engine of efficiency 60%. Then, the intake temperature for the same exhaust (sink) temperature must be :   AIEEE  Solved  Paper-2012
  A)
  efficiency of carnot engine cannot be made larger than 50%
  done clear
  B)
  1200 K
  done clear
  C)
  750 K                                        
  done clear
  D)
  600 K
  done clear
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