This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Cast Irons – 2”. 1. What should be the range of percentage of carbon (C) in iron (Fe) to be called as cast iron? a) 0.1-0.5 b) 0.5-1.0 c) 1.0-2.0 d) 2.0-5.0 2. The shaking out of cast iron casting … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Cast Irons”. 1. Presence of which material in a gray cast iron causes reduced ductility? a) Graphite b) Aluminium c) Coke d) Zinc 2. What would be the tensile strength of gray cast iron of class 20? a) 120 MPa … Read more
This set of Casting Question Bank focuses on “Classification of Foundry Metals and Alloys”. 1. Which of the following is not a cast steel? a) Low alloy steel b) Magnesium alloy steel c) Carbon steel d) High alloy steel 2. Which of the following forms of iron is least malleable? a) Austenitic b) Pearlitic c) … Read more
This set of Casting online quiz focuses on “Introduction of Foundry Industry”. 1. Which of the following is not a type of a foundry? a) Captive foundry b) Jobbing foundry c) Semi Production foundry d) Auto production foundry 2. What is the total capacity possessed by ferrous Indian foundries? a) 1,00,000 tons b) 1,50,000 tons … Read more
This set of Casting Question Paper focuses on “Extrusion in polymers – 2”. 1. Extrusion is a process that uses an electric system for processing various polymers. a) True b) False 2. Which of the following equipment is used for controlling the temperature of polymer material in the extrusion process? a) Thermo resister b) Thermometer … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Extrusion in Polymers”. 1. Which of the following material is not used in extrusion? a) Wax b) Granules c) Powder d) Pellets 2. In extrusion process, extra shearing occurs in which part of the system? a) Feed section b) Pumping … Read more
This set of Casting Objective Questions & Answers focuses on “Blow Moulding and Thermoforming – 2”. 1. Which of the following moulding processes is widely used for the manufacturing of plastic bottles? a) Compression moulding b) Injection moulding c) Jet moulding d) Blow moulding 2. Blow moulding is a very slow process, however economical for … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Blow Moulding and Thermoforming “. 1. In blow molding, to inflate soft plastic, which medium is used? a) Air b) Water c) Oil d) Alcohol 2. Which of the following plastics is not used in blow molding? a) Terephthalate b) … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Injection Moulding Process – 2”. 1. Which of the following processes of moulding is widely used for the manufacturing of bottle caps and automotive dashboards? a) Compression moulding b) Transfer moulding c) Injection moulding d) Jet moulding 2. Complex shape … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Injection Moulding Process”. 1. How is the die used in injection molding cooled? a) Oil b) Air c) Water d) Contact with cold surface 2. How does the piston in the clamping unit move? a) Hydraulic energy b) Pneumatic energy … Read more
