This set of Welding Questions and Answers for Campus interviews focuses on “Riveting”. 1. Which of the following articles is not manufactured using riveting? a) Rail wagons b) Coaches c) Pressure vessels d) Helmets 2. The following figure represents which rivet head? a) Pan head b) Conical head c) Countersunk head d) Cup head 3. … Read more
This set of Welding Questions and Answers for Entrance exams focuses on “Adhesive Bonding”. 1. The following figure represents which type of adhesive bonded joint? a) Butt unsatisfactory b) Plain lap good c) Beveled lap excellent d) Scarf better 2. The following figure represents which type of adhesive bonded joint? a) Scarf better b) Plain … Read more
This set of Welding Question Bank focuses on “Welding of Various Metals”. 1. Which of the following methods cannot be used for welding carbon steel? a) Arc welding b) Gas welding c) Ultrasonic welding d) Forge welding 2. High alloys steels are preheated up to what temperature? a) 350°C b) 400°C c) 450°C d) 500°C … Read more
This set of Welding online quiz focuses on “Oxygen Cutting”. 1. Which gas is used for the removal of oxygen layer formed on molten iron? a) Hydrogen b) Oxygen c) Carbon dioxide d) Chlorine 2. Up to what amount of carbon content in steels, can they be treated by oxygen cutting? a) 0.3% b) 0.2% … Read more
This set of Welding online test focuses on “Solid State Welding”. 1. At what temperature, does fusion welding takes place? a) 850°C b) 900°C c) 950°C d) 1000°C 2. Which of the following is not a type of diffusion welding? a) Gas-pressure welding b) Vacuum fusion welding c) Eutectic fusion bonding d) Eutectoid fusion welding … Read more
This set of Welding Multiple Choice Questions & Answers focuses on “Thermit Welding”. 1. In an iron thermit, how many moles of aluminium reacts with three moles of iron oxide to give nine moles of iron? a) 6 b) 7 c) 8 d) 9 2. In the given figure of thermit welding apparatus, what does … Read more
This set of Welding MCQs focuses on “Resistance Welding Methods”. 1. Which kind of resistance is experienced in upset butt welding? a) Electric resistance b) Magnetic resistance c) Thermal resistance d) Air resistance 2. Which of the following can be easily be welded from flash butt welding process? a) Tin b) Lead c) Cast irons … Read more
This set of Welding Quiz focuses on “Arc Welding Methods”. 1. Why is carbon used in carbon arc welding? a) Generation of more heat at electrode tip b) Generation of less heat at electrode tip c) Provides coating d) Fixed polarity is maintained 2. What is the temperature at the negative terminal in carbon arc … Read more
This set of Welding test focuses on “Arc Welding Equipment”. 1. What is the capacity of an automatic welding machine? a) 100 to 200A b) 300 to 400A c) 500 to 700A d) 800 to 3000A 2. What is the capacity of a light manual welding machine? a) 100 to 200A b) 300 to 400A … Read more
This set of Welding Interview Questions and Answers for Experienced people focuses on “Arc Welding”. 1. What is the order of temperature of heat produced in an electric arc furnace? a) 3000°C – 4000°C b) 4000°C – 5000°C c) 5000°C – 6000°C d) 6000°C – 7000°C 2. The distance from the center of arc to … Read more
