What is refrigerant? Write the factors considered for the selection of refrigerant for a system.
How does thermo-static expansion valve work? Discuss with neat sketch.
Discuss the pressure control defrosting method.
Give an illustration on Primary and Secondary refrigerant. What are the desirable proportions of an ideal refrigerant?
Define "Cryogenics". Mention its application. Why dry ice, despite its high manufacturing cost. is used as a refrigerant?
Write short notes on the following:
Describe the production of low temperature by adiabatic demagnetization of a paramagnetic salt with net sketch the schematic diagram.
What do you mean by refrigerant? Write the factors considered for the selection of refrigerant for a system.
How does thermo static expansion valve work? Discuss with net sketch.