Quiz

  1. Refrigerant circulating in the household refrigerator changes it state from superheated vapor to saturated liquid upon passing through condenser coils by exchanging its heat with the ambient air. Draw the temperature profiles for the refrigerant and the ambient air.
  2. Temperature profile for a infinitely long heat exchanger is given below.

    What is the nature of flow of fluids? i.e., cocurrent / countercurrent?