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