This set of Casting Problems focuses on “Air Requirements And Metallurgical Control For Cupola”. 1. What mass of oxygen is required for burning 1 kg of iron? a) 1.12 kg b) 2.67 kg c) 2.35 kg d) 1.92 kg 2. What volume of oxygen is required for burning 1 kg of carbon? a) 7.67 m3 … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Coke Bed Charge Calculations”. 1. Given: cupola diameter = 65cm, Height of groove = 135cm, coke density = 490kg/m3. Find mass of bed charge. a) 234.7 kg b) 219.5 kg c) 209.5 kg d) 216.5 kg 2. Given: cupola diameter … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Zones and Efficiency of Cupola”. 1. Where is the cupola situated above tuyeres for superheating, combustion or oxidizing zone? a) 15cm to 30cm b) 25cm to 40cm c) 35cm to 50cm d) 45cm to 60cm 2. What is contained inside … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Cupola”. 1. Which of the following cannot be operated through cupola furnace? a) Cast irons b) Copper alloys c) Bronze d) Zinc 2. Which instrument is attached at the top of cupola? a) Air blast b) Coke bed c) Wind … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Selection of Remelting Furnace”. 1. Which of the following furnaces is the primary method for melting the cast iron metal? a) Electric arc furnace b) Rotary furnace c) Cupola furnace d) Induction furnace 2. In cupola melting furnace, an air-cooled … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Testing Of Core Sands”. 1. With an increase in volume of air passed, what change is seen in the permeable number? a) Increases b) Decreases c) No change occurs d) No relation among the two 2. With an increase in … Read more
This set of Casting Assessment Questions and Answers focuses on “Tem Tech Thermal Sand Reclamation”. 1. In the tem tech thermal sand reclamation system, how many fluidized beds are used? a) One b) Two c) Three d) Four 2. In the tem tech thermal sand reclamation system, the recirculating air ensures what? a) Even pressure … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on “Sand Reclamation Techniques”. 1. Thermal systems can be sufficient for reclamation of chemically bonded sands. a) True b) False 2. High degree of cleanliness can be achieved by the dry reclamation systems in reclaiming the sand. a) True b) False … Read more
This set of Casting Questions and Answers for Aptitude test focuses on “Comparative Properties Of Gas-Vapour Cured Resin Binders”. 1. Which of the following is produced by Novalak – acid system? a) Ketone b) Carboxylic acid c) Ester d) Aldehyde 2. The novalak – acid system needs what temperature conditions? a) 15°C – 25°C b) … Read more
This set of Casting, Forming and Welding Multiple Choice Questions & Answers (MCQs) focuses on ” Gas-Vapour Cured Resin Binders”. 1. Which of the following is an advantage of high volume core production? a) Durability b) High strength c) Low cost d) Cures low volume production 2. High volume mould production is done using which … Read more
