ITI Refrigeration & Air Conditioning Practical (I & II Year ) English

I Year Week No. Trade Theory 1 Identify workshop & machineries. Demonstrate Safety precautions and First aid. Demonstrate fire fighting Demonstrate working at height using PPE’s and identify the hazards and take personal safety precautions. 2 Identify general tools, instruments & equipments. Care and maintenance of tool, instruments and equipments. Perform flat filing, marking, punching and hack sawing to make a job as per drawing. 3 Perform flat filing, marking, punching, hack sawing, drilling, tapping, reaming, dieing to make a job as per drawing and check using precision measuring instruments Viz. Vernier calliper, Micrometer, etc. 4 Perform Sheet Cutting by straight snip as per drawing. Perform Sheet Cutting by bent snip as per drawing. Bend, fold and join metal sheets in different process. Join sheet metal by using rivet set and snap. Solder sheets of metal. Prepare a box or funnel with sheet metal as per drawing. 5 Demonstrate Electrical safety precautions and First aid. Identify, use and maintain electrical tools. Prepare simple twist joints of wires. Prepare married joints of wires. Measure current, voltage, resistance, power, frequency, energy using analog and digital meter through a single phase circuit. Test insulation and earth resistance using Megger. 6 Star & Delta connection on a three phase motor and show line voltage, line current, phase voltage and phase current. Three phase power & power factor measurement. 7 Identify electronic components, tools & instrument. Colour coding of resistors. Verify Ohm’s Law. Use voltmeter, ammeter and multimeter. Practice soldering & desoldering. 8-9 Identify transistors, resistors, capacitors, diodes, S.C.R., U.J.T., amplifier and I.C. Construct and test full wave rectifier using diodes. Construct and test a bridge rectifier. Construct and test series voltage regulator circuit. Construct and test power supply using fixed voltage regulator Ics. Identify Read more