National Instructional Media Institute creator text xxu Chennai National Instructional Media Institute 2015,c2008 monographic eng

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299 Contents : Practical -Mark and cut through the straight lines -Mark and cut along the curves lines -Mark and cut the geometrical shapes -Profile marking and cutting -Marking with template and profile cutting -Cutting and folding -Clamp -Deburr by file -Check the Flatness by a trysquare -Folding at right angles on bar folder for angle support setting & Folding -Bending pipe by heating -Turning the edge of the cylinder to from the flange -Develop,Cut,fold and form a rectangular box (Paper tray) -Single riveted lap joint -Double riveted lap joint (chain seam) -Double riveted lap joint (Zigzag Seam) -Repairing a hemispherical bowl 9Removing dent ) Buffing process -Application and finishing putty -Application of finish coat by spraying operation -Soldered lap joint -Single plated soldered butt joint -Making a single plated soldered butt joint -90 degree elbow joining two equal diameter pipes -Silver soldering with oxy -acetylene flame -Setting up of gas welding plant and setting of different flames -Brazing with oxyacetylene flame -Beading practice on M S sheet without and with filler rod -Outside and inside corner joint on MS Sheet BY gas welding in flat position -Open square butt joint MS Sheet by Gas welding in flat position -Fillet weld Tee joint MS sheet by gas welding in flat position -Close square butt joint on MS sheet by gas welding in flat position -Pipe butt joint on MS pipe by oxy-acetylene welding in IG position -Setting up of Arc welding plant and striking an arc Depositing Straight and weaving beads on MS in flat position -Fillet lap joint on MS by SMAW in flat position -Outside corner joint on MS by SMAW in flat position -Single Vee butt joint on MS by SMW in flat position ::Theory :: -Introduction of the trade -Safety practice -Steel rule -Try squre -Scriber -Straight snips -Mallets -Straight edge -Dot Puch -Ball pane Hammer -Wing compass -Trammels -Bend snips -Tinman's "L" square -Stakes and their uses -Geometrical figures -Type of sheers -Hand lever sheers -Manual folding -Folding bars -Angle Iron -Hatchet stake -Folding the sheet metal,using hard wooden piece and c clamps '-C' Clamp -Hand Seamer -Bar folder/bench folder -Spring back of a sheet Metal after bending -Punches used for producing holes -Metals and non-metals -Physical and mechanical properties of metals -Metals used in sheet metal work -Standard wire gauge -Pipe bending machines -Hollow mandrel -Setting Hammer -Half moon stake -Jenny calipers -Cooper Smith Stake -Surface Plates -Flanging -Bottom round stake -Hammers -Development of pattern layout -Parrallel line development method -Developments -Radial line development -Triangulation method of pattern development -Pattern development of Square to square tapered chuted by triangulation method -Rivets -Types & Uses -Rivets Proportions -Riveted Joints -Tools for hand riveting -Specing of rivets in joints -Defect in riveted joint -Caulking and fullering -Layout the spacing of rivet holes in chain riveting -Zig-Zag Riveting -Drilling machines (Portable Type) -Polishing and Buffing -Repairing and Buffing -Repairing techniques -Putty -Spray painting -Acessories -Soldering -Soldering iron(soldering bit) -Soldering -Soldering Flux -Portable hand forge with blower -Dipping Solution -Safety Precautions in Soldering -Soft soldering -Soldered Joint -Blow lamp -Electric soldering Iron -Sweating or Sweat while soldering -Successful soldering -Soldering ,brazing -Sliver soldering -Faults in gas welding -Weld defects -Causes and remedies -Defects in Arc welding -Its effect -Defects Arc welding -Definition ,causes and remidies -Gas welding hand tools -Classification of welding processes -Gases used for welding and gas flame combinations -Metal joining in Industry -Types of welding processes and application -Oxcy-acetylene welding plant -description,operating procedures ,safety ,safety precautions in handling oxy-acetylene gas welding plant -Distortion and methods of control -Distortion in gas welding -Oxygen gas cylinder -Dissolved rules for gas cylinders -Safety rules for gas cylinders -Weld symbol and weld symbol -Description and uses -Welding regulator -Welding blowpipe -Gas welding fluxes -Principle of oxy Acetylene cutting process -Oxy-acetylene cutting equipment and selection of blow pipe size pressure setting for various thickness of MS plates -Polarity in DC Arc Welding -types and application -Types and functions of smaw electrodes and coating factor -Different type of common faults in gas cutting -Arc power source ,AC Transformers ,DC Welding generator,DC welding rectifiers and their features -Advantages and disadvantages of AC and DC welding -MS welding Electrodes -Coding of SMAW electrodes as per BIS/AWS -Basic electricity as applied to welding -Shielding metal arc welding ,its advantages and limitations -Arc blow and its control -Methods of cleaning the base metals before welding -Edge preparation -Welding positions and their significance -Choice and storage of electrodes -Metal and their Weldability -Welding of low,medium and high carbon steels by arc -Welding method of low carbon steel and medium carbon steel -Gases used for welding and gas flame combinations -Chemistry of oxyacetylene flame -States of matter -Common metals and alloys and their melting points -Types of oxyacetylene flames -Filler rods used in gas welding -Filler rods for gas welding -Arc welding machines -Arc welding accessories and tools -Safety precautions in manual metal arc welding -Principle of welding arc ,its characteristics and Arc length -Arc length and its effects -Metal transfer across the arc (Characteristics of Arc ) Automobile : Centers of Excellence Automobile 671.823 BAS COE5 National Instructional Media Institute BSDU 170629 20190510151307.0 English