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