Special coatings applied on work piece materials in order to protect them from chemical reaction are known as                    

Related MCQs

• State which of the following statement is true or false regarding Chemical milling. “Maskants are generally used in CHM, to protect the work piece from the etching chemical agent.”
• Which of the following can be used to apply the maskants on work piece in Chemical milling?
• What are the tolerance values achieved in Chemical milling, which depend on work piece material and depth of cut?
• Masks, which are used to confine the jet stream location on work piece are made of, which type of materials?
• State whether the following statement is true or false about Chemical milling. “Maskants, applied on work pieces, are not responsible for CHM process.”
• For high strength or rigidity, which type of coatings are recommended for metals?
• Pre cleaning is done on the work piece surface in order to achieve, which of the following factors?
• In Chemical milling, excessive flow of chemical reagent results in which of the following defects?
• State whether the following statement about Chemical milling is true or false. “At higher temperatures, faster etching rates occur in Chemical milling.”
• Which of the following non-metallic materials can be machined using the Chemical milling process?