HomeITI CBT EXAMWelder Theory Test 1 Welder Theory Test 1 Leave a Comment / By itiexam.cloud / 17 March 2024 0% 1234567891011121314151617181920 Welder Theory Test 1 1 / 20 1) Which of the following is false regarding material to be welded and its corresponding welding process? A) Aluminium alloys - GMAW or GTAW process B) high-carbon steel - shielded-metal arc, flux-cored arc, and submerged arc welding C) higher-alloy steels - GMAW and GTAW welding D) Stainless steel - GTAW, GMAW and shielded-metal arc welding 2 / 20 2) Which of the processes can be classified as solid state welding? A) Diffusion welding B) Electron beam welding C) Oxyfuel welding D) Resistance welding 3 / 20 3) In a gas cut plate, the cut shows grooves and has deep drag lines. This is due to A) tip too close to the cut surface B) less oxygen pressure smaller size cutting nozzle C) less oxygen pressure D) too much travel speed 4 / 20 4) Which flame is suitable for welding steel? A) None of the above B) Neutral flame C) Carburising flame D) Oxidising flame 5 / 20 5) Which of the following is a design recommendation for welding? A) Locate welds where special finishing operations are required B) Welded assemblies should have more parts C) The buildup of weld fillets should be kept to a minimum D) Welding should be done horizontally, with the stick or electrode holder pointing upward during welding 6 / 20 6) Which of the following is not true for gas welding? A) There are safety problems in storing and handling the gases B) It is suitable for thin sheets C) Heat effected zone and distortion are less as compare to arc welding D) It is slower than arc welding 7 / 20 7) The resistance welding process suitable for welding ferrous and non-ferrous metals upto 8mm thickness is A) Projection welding B) Pressure welding C) Butt welding D) Spot welding 8 / 20 8) Which flame is suitable for cutting operations? A) Oxidising flame B) None of the above C) Carburising flame D) Neutral flame 9 / 20 9) Which of the following joint have high corrosion resistance? A) Riveted joint B) Welding joint C) None of the above D) Bolted joint 10 / 20 10) One of the functions of electrode coating is A) to prevent rusting B) to increase welding current C) to control arc temperature D) to stabilize the arc 11 / 20 11) Heat is created by the chemical reaction in A) Oxy-acetylene welding B) Thermit welding C) Tungsten arc welding D) Resistance welding 12 / 20 12) Which of the following is not a resistance welding? A) Butt welding B) Spot welding C) Pressure welding D) Percussion welding 13 / 20 13) Which flame is suitable for welding of ferrous metals, Cu and Al alloys? A) Neutral flame B) Oxidising flame C) Carburising flame D) None of the above 14 / 20 14) Which one of the following is a temporary joint? A) Welded joint B) Riveted joint C) Soldered joint D) Press fit joint 15 / 20 15) Which flame is suitable for welding of non ferrous metals (brasses and bronzes)? A) Carburising flame B) Neutral flame C) None of the above D) Oxidising flame 16 / 20 16) Which of the following processes do not use flux during welding? A) Submerged Arc B) Oxyfuel C) Friction D) Flux Cored Arc 17 / 20 17) In fusion welding, penetration is the ratio of A) width of the weld to its depth B) depth of the weld to its length C) depth of the weld to its width D) length of the weld to its depth 18 / 20 18) In an acetylene cylinder, the acetylene is dissolved in A) Water B) Acetone C) Mercury D) Carbon Dioxide 19 / 20 19) Which of the following is false regarding welding process and its corresponding minimum thickness of plate material? A) Submerged Arc Weldments: minimum thickness - 4.5mm B) Shielded-Metal Arc or Stick Weldments: minimum thickness - 1.5 mm C) Flux-Cored Weldments: minimum thickness - 4.5 mm D) Gas-Metal Arc Weldments: minimum thickness - 0.5 mm and even thinner 20 / 20 20) Which of the following welding process is used for welding of sheet metals in automobile and air craft industries? A) Resistance welding B) Gas tungsten arc welding C) Thermit welding D) Shield metal arc welding Your score is 0% Restart quiz
