This set of Manufacturing Science Problems focuses on “Forging Operations-2”. 1. In which forging process cross section of a bar is reduced or shaped by passing it through a pair of rolls with shaped grooves? a) Skew rolling b) Roll forging c) Press forging d) Upsetting 2. In which of the following process a hardened … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Forging Operations-1”. 1. In which of the following forging operation no special die is used? a) Drop forging b) Smith forging c) Coining d) Press forging 2. In which of the following forging operation repeated hammering and closed die is used? a) … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Introduction To Forging”. 1. Shaping of metal by squeezing them in between two or more dies in order to obtain desire shape is done by? a) Forming b) Forging c) Welding d) Grinding 2. Forging is carried out at which temperature? a) … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Forming”. 1. Depending upon the temperature the forming process can be classified as? a) Hot working b) Cold working c) Warm working d) All of the mentioned 2. If Tm is the melting temperature, then in hot working the value for that … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Casting Techniques For Single Crystal Components”. 1. In which of the following casting process, the metal being poured into the mold begins to solidify at ceramic walls? a) conventional casting b) directional solidification c) single crystal d) induction melting 2. In which … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Expendable Mold, Expendable-Pattern Processes”. 1. Which of the following casting process uses a polystyrene pattern? a) investment casting b) ceramic-shell casting c) evaporative-pattern casting d) slush casting 2. Which of the following casting process is used to make typical parts such as … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Expendable Mold, Permanent-Pattern Processes”. 1. Applications of sand casting include __________ a) machine bases b) large turbine impellers c) propellers d) automobile gears 2. Sand casting consists of __________ a) placing a pattern in sand to make an imprint b) incorporating a … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Metal Casting Processes and Equipment”. 1. Which of the following are typically made of sand, plaster, ceramics and similar materials and generally are mixed with various binders? a) Permanent molds b) Expendable molds c) Composite molds d) Ceramic molds 2. Which of … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Metal Casting Defects”. 1. The major defects of casting are __________ a) gas defects b) shrinkage cavities c) molding material defects d) all of the mentioned 2. The defects caused by trapping a gas in molten metal or by mold gases while … Read more
This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Casting Defects”. 1. Which of the following defect is not a gas defect? a) Blow holes b) Air inclusions c) Run out d) Pin hole porosity 2. Which gas defect is caused by hydrogen in molten metal? a) Blow holes b) Air … Read more
