STANDARD COMPETENCIES:

 

 I.      Match terms related to basic mechanical refrigeration systems with their correct definitions

 II.     Discuss principles of heat transfer to include convection, conduction, and radiation

 III.    Describe the relationship between molecular activity and temperature

 IV.     Describe the differences between heat intensity and heat quantity

 V.      Discuss the three states of matter and how materials are induced to change from one state to another

 VI.     Explain how heat quantity and heat intensity is measured

 VII.    Describe how refrigerants are caused to change state in a sealed system

 VIII.   Discuss refrigerant conditions including saturated, super-heated and subcooled refrigerants

 IX.     Explain the relationship between pressure and boiling points

 X       Describe the relationship between pressure and temperature of saturated refrigerants

 XI.     Identify types of compressors

 XII.    Identify types of evaporators

 XIII.   Identify types of condensers

 XIV.    Select types of flow controls commonly in use

 XV.     Identify refrigerant lines

 XVI.    Select the state the refrigerant. various points in the refrigeration  system

 XVII.   Draw a basic refrigeration system

 XVIII.  Explain the operation of a compression system

 XIX.    Match terms related to system accessories with their correct definitions

 XX      Identify refrigerant system accessories

 XXI.    Select purposes of refrigeration accessories

 XXII.   Determine factors for selection of filter driers

 XXIII.  Distinguish between types of valves

 XXIV.   Identify the location of system accessories

 XXV.    Attach a gauge manifold set using service valves

 XXVI.   Install access valves

 XXVII.  Pump down a refrigeration unit

 XXVIII. Perform an efficiency test on a compressor

 XXIX.   Transfer refrigerant between cylinders

 XXX     Match terms related to refrigerant with their correct definitions

 XXXI.   Match common types of refrigerants with their chemical names

 TOPICAL OUTLINE:

 

 I.      Air Conditioning And Refrigeration Theory

 II.     System Accessories

 III.    Refrigerants And Refrigeration Oil

 IV.     Evacuation

 V.      Pressurizing And Leak Testing

 VI.     Charging Refrigeration Systems

 VII.    Building A Basic Refrigeration System