Semester 1: Module 3 -Weldability of Steel
All Type Welder Trades Part -2
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NAME *
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NAME OF THE ITI *
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MOBILE NUMBER *
26 : How is the electrode size identified? *
2 points
27 : What are the standard electrode lengths available? *
2 points
28 : What is the grade of hacksaw blades with pitch 0.8 mm? *
2 points
29 : What does the letter ‘X’ indicate in the electrode classification of EB5426 H1 J X? *
2 points
30 : What is the percentage of carbon in medium carbon steel? *
2 points
31 : What is the defect of metal flowing into the surface of base metal without fusing it? *
2 points
32 : What is the type of welding defect shown in given figure? *
2 points
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33 : Which one of the defect is caused by low current in arc welding? *
2 points
34 : What is the cause of hair line separation in the bead in arc welding? *
2 points
35 : What is the name of the steel material which are not weldable? *
1 point
36 : Which is used to cut thin pipes of smaller sizes? *
2 points
37 : What is the base for selecting the nozzle size for gas welding of a pipe? *
2 points
38 : Which type of filler rod shall contain higher percentage of iron? *
2 points
39 : What is the process of heating steel to specific temperature and cooling suddenly? *
3 points
40 : What is the main purpose of ‘Normalising’steel? *
2 points
41 : What is the purpose of setting root gap? *
2 points
42 : Which of the following metals have highthermal conductivity? *
2 points
43 : What is the process of hot weld jointrapidly hammered to relieve internal stresses? *
2 points
44 : Which type of cast iron possess higher hardness? *
2 points
45 : Which type of cast iron is soft? *
2 points
46 : Which size of filler rod should be used to weld 2mm thick MS sheet? *
2 points
47 : What is the main function of the flux coating in electrodes? *
2 points
48 : What is the purpose of oxygen lever in gas cutting? *
2 points
49 : Which gauging nozzle is selected for rivet head cutting? *
2 points
50 : What is the name of the part ‘x’ shown of a portable cutting machine? *
2 points
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