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