Refrigeration training is coursework offered either via public educational institutions or private companies. Training involves learning the refrigeration (e.g. refrigerators, freezers, air conditioners, heaters)to eventually become certified in any of the 4 levels.
I assume you meant to say "Where is a king valve in refrigeration?" Anyhow, it is usually located downstream from a liquid line receiver.
There is a great HVAC and Refrigeration Training School in Phoenix. Here is their website: http://www.refrigerationschool.com/. They have a great staff and have hands on training. Check out their website to learn more about having a career in refrigeration.
Periodisation (in relation to training) is the different parts in the training programme.
Dixon Training at http://www.dixontraining.co.uk/ offers a course in refrigeration repair. Fred's appliance academy at http://www.fredsappliance.com also offers courses on appliance repair.
Refrigeration classes for refrigerators and freon removal. and hands training is the best teacher if you have the interest in other large appliances.
Boot camp is indoctrination training
Tonne of refrigeration(TR) is the practical unit of refrigeration effect.Tonne of refrigeration(TR) is defined
There are many institutions offering this sort of training. Depending on where you are located, there may be one near you. You may want to start your search here: http://education-portal.com/articles/Appliance_Repair_Certification_and_Training_Program_Overviews.html
Refrigeration was created in 1859
example of mechanical refrigeration
Top Schools for Heating, Air Conditioning, Ventilation, and Refrigeration Maintenance Education and training programs are offered to HVAC-R maintenance technicians across the nation. Many colleges and universities prepare students for technical work with heating and cooling ventilation machinery. Top Schools with Heating, Air Conditioning, Ventilation and Refrigeration Maintenance Degrees
example of mechanical refrigeration