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  • Mechanical Engg. (GATE) 2005
  • Hot oil is cooled from 80°C to 50°C in an oil cooler whic...
Multiple choice

Hot oil is cooled from 80°C to 50°C in an oil cooler which uses air as the coolant. The air temperature rises from 30°C to 40°C, the designer uses a LMTD value of 26°C, the type of heat exchanger is

  1. parallel flow

  2. double pipe

  3. counter flow

  4. cross flow

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The figure shown below are of parallel flow and counter flow respectively.

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