CHM is used to remove the thin surfaces from forgings and castings, at which time of process?

Related MCQs

• State whether the following statement is true or false regarding the applications of CHM. “Removal of thin surfaces, prior to inspection, is done for detection of hidden defects.”
• CHM is used to thin out walls, web and ribs of parts that have been produces by which of the following processes?
• State whether the following statement is true or false regarding surface finish in CHM. “The surfaces, which are machined using Chemical milling, will have regular lay pattern.”
• Porous castings yield, which type of surfaces in Chemical milling process?
• State whether the following statement is true or false about Chemical milling. “Maskants, applied on work pieces, are not responsible for CHM process.”
• Which of the following solutions cannot be used as chemical reactive solution in CHM?
• 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.”
• What is the range of reagent temperatures used for chemical dissolution in CHM?
• State whether the following statement is true or false about advantages. “Extensive web areas and decorative finishes are not possible using CHM.”
• What is the value of shallow cuts obtained on sheets and plates, when we use CHM?