What happens to the surface roughness if oxygen gas is introduced in the gap?

Related MCQs

• Between which values does the side gap’s surface roughness vary?
• What happens to the surface roughness values if the MRR increases in EDM?
• Surface roughness depends on which of the following parameters in Abrasive water jet machining?
• In Electro discharge machining, materials with low melting point have which type of surface roughness?
• The maximum depth of damaged layer is how many times that of average surface roughness?
• Using of a mate electrode in Electro discharge machining                            the surface roughness of material.
• What are the surface roughness values obtained while machining spherical surfaces using Electro discharge machining?
• Castings having a larger grain size, will show how much surface roughness value?
• State whether the following statement is true or false about etching rates. “As the etching rate increases, low surface roughness values occur.”
• Which type of etching rate, mentioned below, produces low surface roughness?