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