This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Methods and Materials for Degassing”. 1. The term degassing is basically employed for optimizing the use of materials used in production of casting components. a) True b) False 2. Excess of nitrogen in molten casting can cause embrittlement of casting … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Cold Set Resin Binders”. 1. What is the pH level of leachate? a) 1-3 b) 3-6 c) 6-9 d) 9-12 2. From what is furfural alcohol derived? a) Carbon dioxide b) Waste water c) Waste vegetables d) Sulphur dioxide 3. … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Melting of Steel and Stainless Steel”. 1. How is much amount of chromium (in percent) normally added in steel to be called as stainless steel? a) 1-2 % b) 2-5 % c) 5-10% d) 10-30 % 2. Which of the … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Melting of Titanium Alloys”. 1. In general, titanium is denser than steel due to compactness in grain structure of titanium. a) True b) False 2. Titanium alloys have melting point greater than that of steels. a) True b) False 3. … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Foundry Fluxes and Refractories”. 1. The mixing of flux in the casting material produces endothermic reaction. a) True b) False 2. Which of the following materials are commonly used as flux in the casting process to prevent oxidation? a) Sodium … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Magnesium Alloys – 2”. 1. In general, magnesium alloy components tends to have fine grain structure in it. a) True b) False 2. Magnesium is a very light material that can be suitable in aircraft applications. a) True b) False … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Magnesium Alloys”. 1. Pure magnesium melts at what temperature? a) 600°C b) 650°C c) 700°C d) 750°C 2. Which of the following metals is least used in making magnesium alloys? a) Aluminium b) Zinc c) Copper d) Manganese 3. Which … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Copper Alloys – 2”. 1. For protection of copper alloys from corrosion, a special type of coating is applied on it. a) True b) False 2. Which of the following parts are mostly manufactured by using copper alloys? a) Pistons … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Copper Alloys”. 1. What is the general density of steel? a) 6.67 g/cc b) 7.87 g/cc c) 8.77 g/cc d) 5.77 g/cc 2. What is the density of copper alloys? a) 6.67 g/cc b) 7.87 g/cc c) 8.93 g/cc d) … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Aluminium and Its Alloys”. 1. Presence of which material in aluminium alloy provides ductility to the alloy? a) Silicon b) Iron c) Copper d) Zinc 2. Which furnace is not used for heating aluminium alloys? a) Electric arc furnace b) … Read more
