Articles Posted in the " Non conventional refrigeration " Category

  • STEAM JET REFRIGERATION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    STEAM JET REFRIGERATION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    STEAM JET REFRIGERATION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS  MCQ increases clarity and understanding. It is applied where steam is available. It is vibration free. This is economical as compared to other systems of refrigeration. Number of nozzles in Steam Jet Refrigeration is Two Four Six None ANS: (d) Number of nozzles in Steam Jet […]


  • NON CONVENTIONAL REFRIGERATION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    NON CONVENTIONAL REFRIGERATION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    NON CONVENTIONAL REFRIGERATION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS      MCQ makes the concept very clear. More MCQ may be practiced to improve knowledge further. Then, it is very useful in the design, construction and working of the system.   1. The materials of thermoelectric refrigeration systems should have: (a) High electrical and thermal […]


  • STEAM JET REFRIGERATION CLASS NOTES FOR MECHANICAL ENGINEERING

    STEAM JET REFRIGERATION CLASS NOTES FOR MECHANICAL ENGINEERING

    STEAM JET REFRIGERATION CLASS NOTES FOR MECHANICAL ENGINEERING   This refrigeration means refrigeration from heat. It uses a steam nozzle to create vacuum in the flash chamber. High vacuum causes water to evaporate and evacuate. Water vapors mix with high velocity steam jet. These are compressed in the diffuser. Mixture condenses in the condenser for recycling. […]


  • THERMO-ELECTRIC & VORTEX TUBE REFRIGERATION CLASS NOTES

    THERMO-ELECTRIC & VORTEX TUBE REFRIGERATION CLASS NOTES

    THERMO-ELECTRIC & VORTEX TUBE REFRIGERATION CLASS NOTES Thermo-electric refrigeration uses semi-conductors. A semiconductor is a combination of two materials having high electrical conductivity and low thermal conductivity. The property defining the quality of thermo-couple is  ‘Figure of Merit’. Figure of Merit = Z= α2σ/k Where α is the Seebeck coefficient of the two materials of the semiconductor σ […]