Articles Posted in the " Introduction to Refrigeration " Category

  • REFRIGERATION, ITS MEASUREMENT AND SYSTEM——————-Fill in the blanks.

    REFRIGERATION, ITS MEASUREMENT AND SYSTEM——————-Fill in the blanks.

    REFRIGERATION, ITS MEASUREMENT AND SYSTEM——————-Fill in the blanks. Refrigeration is a process of ——————–. The process of refrigeration is used to protect —————–against spoilage. The growth of bacteria is greater in a ————————-atmosphere. The growth of bacteria can be stopped by ———————. Refrigeration is based on the principle that ————causes cooling. Refrigeration capacity is expressed […]



  • REFRIGERATION————–LAWS OF REFRIGERATION

    REFRIGERATION————–LAWS OF REFRIGERATION

    REFRIGERATION————–LAWS OF REFRIGERATION LAWS OF REFRIGERATION Work is converted into as in vapor compression refrigeration as heat lost from the condenser is sum of heat gained in the evaporator from the products to be cooled and the work input in the compressor. Qcondenser =Cooling effect +work input to compressor=N+W Heat is converted into work as […]



  • * REFRIGERATION: Difference between Evaporation and Boiling

    * REFRIGERATION: Difference between Evaporation and Boiling

    REFRIGERATION: Difference between Evaporation and Boiling  Definition of boiling: It is a temperature at which a liquid starts changing into vapors and it remains constant till the whole liquid is changing into vapors. Normal boiling point is with respect to one atmospheric pressure. Boiling point and melting points increase with the increase of pressure and […]


  • *Multiple Choice Questions (mcq) on Refrigeration – Expansion of gases

    *Multiple Choice Questions (mcq) on Refrigeration – Expansion of gases

    Multiple Choice Questions (mcq) on Refrigeration – Expansion of gases When air expands at room temperature (a) Heating is produced (b) Cooling is produced (c) Neither heating nor cooling is produced (d) None (Ans:b) When Hydrogen expands at room temperature (a) Heating is produced (b) Cooling is produced (c) Neither heating nor cooling is produced (d) […]