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#Question id: 15624


In heat transfer through a heat exchanger in co- current or counter-current flow, which of the assumptions is not correct ?

#SCPH05 I Biotechnology
  1. The overall heat transfer coefficient (U ) is constant
  2. Temperature difference between hot and cold fluid should not be high
  3. Heat losses from the system is negligible
  4. The system is at steady state

Answer:- Option(s): 2


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The PCR consists of three defined sets of times and temperatures, termed steps
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