Refrigeration and Air Conditioning 1st Semester : Trade Practical
- Chennai National Instructional Media Institute (NIMI) 2016,c2014
- 300
Contents : Module 1 : Fitting & Sheet metal -Visit Various sections of the ITI and Identify the location of MRAC sections -Identify the hazards and take safety precautions -Practice -safe methods -lifting and handling -Practice safe methods -Fire fighting -Practice safe methods -Rescue a person from live wires -Identify common Basic Refrigeration tools -Practice flat Filing and surface checking with help of try square -Practice making and punching -Practice drilling ,tapping and reaming -Practice sawaing -Filling Internal and External radius -Practice Chipping -Counterboring ,blind hole,countersinking -Mark straight ,lines using steel rule and scribes -Cutting sheet lines using steel rule and scribers -Cutting sheet by straight snip -Cutting sheet by bent snip Folding sheets -Riveting with rivet set in sheet metal work -Joining sheet metal by using rivet set and snap
Module 2 ; Electrical & Electronics -Identify ,use and maintenance Electrical tools -Prepare simple twist joints -Prepare married joint in stranded conductors -Prepare TEE joint in stranded conducts -Prepare joints in solid copper conductors -Solder joints /lugs / sleeves /ferrules in copper /aluminium cable Module 3 : Welding Module 4 : Refrigeration & systems