| 000 | 02695nam a22002177a 4500 | ||
|---|---|---|---|
| 999 |
_c1052 _d1052 |
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| 003 | OSt | ||
| 005 | 20190508161216.0 | ||
| 008 | 170712b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a978-93-82992-13-4 | ||
| 028 |
_bNational Instructional Media Institute (NIMI) _c36280 _d24/04/2017 _q12/06/17 |
||
| 040 |
_aBSDU _bEnglish _cBSDU |
||
| 082 |
_a671.52092 _bWEL |
||
| 100 | _aNational Instructional Media Institute (NIMI) | ||
| 245 | _aWelder 1st Semester : Trade Theory | ||
| 260 |
_aChennai _bNational Instructional Media Institute (NIMI) _c2016,c2014 |
||
| 300 | _a180 | ||
| 500 | _aContents : Module 1 : Fitting & Sheet Metal -General discipline in the institute -Hand tools -Grinder pedastal and Bench -Hacksaw frames and blades -Files-Grades and specification -Sheet metal shop safety rules -Rivets and Riveting Module 2 : Gas Cutting -History of welding -Principle of gas cutting and application -Different type of common faults in gas cutting Module 3 : Gas Welding -Chemistry of oxy-acetylene flame -Gases used for welding and gas flame combinations -Properties of metals -Production of calcium carbide -Carbide to water type acetylene gas generator -Acetylene gas purifier -Oxygen gas -Properties and Production Oxygen gas cylinder -Safety rules for gas cylinders -Welding regulator -Rightward technique of oxy-acetylene gas welding -Faults in gas cutting -Filler rods used in gas welding -Flashback and backfire -Gas welding Fluxes and Function -Welding of aluminium and its alloys -Stainless steel-Properties -types and weld ability -Welding of brass -Cast Iron -Properties-type and weld ability -Module 4: Arc Welding -Introduction to welding (fusion, non-fusion and pressure -Arc welding Accessories Welding terms & its Definition -Shielded Metal Arc Welding -Methods of cleaning the base metals before welding -Basic welding joints and weld -Arc length and its effects -Basic welding positions -Arc welding machines -AC/DC welding rectifier its construction -Power source selection criteria -Inverters -Arc blow its Causes and Remedial Measures -Distortion and its control -Defect in Arc welding -its effort -Arc welding electrodes -Composition /Characteristics Flux -Sizes of Mild steel Electrodes -Choice and storage of electrodes -Coding of electrodes as per BIS,AWS and BS153 -Weld symbol and welding symbol -Description and use -Stainless steel welding ,Procedure and defects -Heat treatment Module 5: Metallic Arc cutting and Gouging -Metallic arc cutting and gouging | ||
| 650 | _aFabrication | ||
| 700 | _aDGT, MSDE, Govt of India | ||
| 942 |
_2ddc _cBK |
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