1. Which of the following joint have high corrosion resistance? Welding joint Riveted joint Bolted joint none of the options 2. Which of the following is not included in weldability? Serviceability of joint Strain relieving brittleness Ability of mechanical soundness Metallurgical compatibility of metal 3. The depth up to which the filler material is mixed up with base metal is called as? Reinforcement Fusion depth Deposition Penetration 4. Which of the instrument used to checking of alignment Universal bridge Straight edge Dial indicator All of the options 5. Which of the following defects occur due to scattering of metal around the vicinity of weld? Cold cracking Spatter Cracking in weld metal Under cut 6. The raised portion from the parent metal in welding is known as? Deposition Penetration Fusion depth Reinforcement 7. Which ofthe following non destructive testing is used to detect change incomposition of any material? Liquid penetration test Eddy current test Ultrasonic test Radiography 8. In which of the following process, heat is created by blacksmith fire Forge welding Seam welding Spot welding Projection welding 9. Which of the following is surface preparation methods? sand blasting ball blasting both sand blasting and ball blasting none of the options 10. Full-Form of the MMAW is Manual metal arc welding Molted metal arc welding Mix Metal arc welding Metal arc welding 11. Which type of process is also known as the fabrication process? Casting Forming Joining None of the options 12. Which of power source is an engine-driven generator Special type Static type Rotating type None of the options 13. An example of an anodic coating is _____ Zinc Nickel Copper Chromium 14. Rotating type power sources includes Transformer, Motor-driven generator Motor-driven generator, Engine-driven generator Rectifier, Engine-driven Generator Transformer, Rectifier 15. Arc length in arc welding should be equal to ___ Half the diameter of the electrode rod Twice the rod diameter Rod diameter none of the options 16. Which common application do anodizing and galvanizing serve? Zinc coating Increased strength Corrosion resistance Improved surface 17. Which type of plates cannot be welded in single pass none Thick plates Thin Plates all 18. Which of the following is not a type of protective coating? Inorganic Organic Non-metallic Metallic 19. In welding symbol, if the symbol is above the baseline then the welding is to be done at The arrow side Right side of the arrow Other side of the arrow Both side of the arrow 20. In which of the following materials, ultrasonic testing cannot be used? Non-ferrous objects Ceramics Plastics Ferrous object 21. Eddy current inspection method cannot be detect which of the following defect? Seams Voids Surface crack Laps 22. Which of the following is an example of plastic welding? Thermit welding Arc welding Forge welding Gas welding 23. For the vertical position of the weld fillet and other symbols should saw in which side Bottom Right Above Left 24. The voltage needed in resistance welding does not depend upon Length of weld Thickness of weld Composition Area 25. Eddy currents are not used for the measure of which of the following properties? Magnetic resistivity Electrical conductivity Hardness Grain size 26. During fabrication joining of two or more components are ___ Temporarily Permanently Temporarily or permanently both none of the options 27. Which ofthe following is not away of correcting the metalwhich does not have good weldability properties? Procedure of welding Provision of filler material Procedure of adding filler materials Provision of fluxing material 28. What is the capacity of a light manual welding machine? 60 amp to 500 amp 300 to 400A 100 to200A 500 to700A 29. During the welding power require to produce arc to join the metals are Low voltage high ampere High voltage high ampere High voltage low ampere Low voltage low ampere 30. The metals having good weldability, in descending order are castiron, iron, carbon steel, cast steel cast steel, iron, carbonsteel, castiron carbon steel, iron, cast steel, castiron iron, carbonsteel, cast steel, castiron 31. Which of the following materials are not suited for cold welding? Silver Brass Gold Steel 32. Out of them which of the power source used in welding Bilopar welding generator, Multi operator D.C. welding sets Both Bilopar welding generator and Multi operator D.C. welding sets None of the options 33. Full form of OCV is Output command voltage Open current voltage Open command voltage Output current voltage 34. Static type power sources include Motor-driven generator, Engine-driven generator Rectifier, Engine-driven Generator Transformer, Motor-driven generator Transformer, Rectifier 35. The full form of DFW is Diffusion welding Direct fusion welding Double fusion Welding Direct finish weld 36. Which of the following is surface finishing methods? brushing grinding none both grinding and brushing 37. In Edge preparation selection of joint is based on the following factors Effect of warping Cost of designing of the product Characteristics of the product All of the options 38. Which of the following is an example of fusion welding? Resistance welding Forge welding Thermit welding with pressure Arc welding 39. Ground Connection equipment is used for ______ welding none Gas welding Arc Welding all 40. Which ofthe followingwelding process is usedforweldingof sheetmetals in automobile and air craft industries? Gas tungsten arc welding Thermit welding Resistance welding Shield metal arc welding 41. Alignment of the equipment is necessarily done in which plane Longitudinal only Transverse only both Longitudinal only & Transverse only None of the options 42. Which of the following defects occur due to incorrect welding techniques? Under cut Cracking in weld metal Cold cracking Hot cracking 43. Which of power source is Rectifier? Rotating type Static type Special type None of the options 44. Which of the factors are not considered for deciding the alignment The type and application of the machine Designing the machine The grade of accuracy is demanded The condition of the machine 45. Full form of FB is Welding process is Furnace brazing Finish brazing Friction brazing Function brazing 46. On which of the following factor, does weldability not depend? Thermal expansion Boiling point Thermal conductivity Melting point 47. Which type of Power source is Solid State Special type Static type Rotating type None of the options 48. Full form of FRW in Welding process are Furnace Welding Fusion Reaction welding Friction Welding None of the options 49. Which of the following defect is influenced by sulphur and carbon content of weld metals? 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