Compared to the tool used in ECM, how should be the work piece size?

Related MCQs

• State whether the following statement is true or false regarding the limitations of ECM. “In ECM, cleaning and oiling of work piece need not be done after machining.”
• State whether the following statement is true or false about electrolyte in ECM. “Machinability in ECM is enhanced, when electrolyte is heated.”
• While machining W4C and glass, tool over cut size when compared to mean grain size is?
• While machining B4C, tool over cut size when compared to mean grain size is?
• In micro ECM, which of the following is used as micro tool?
• For large size machining, which type of facilities are used in ECM?
• How are material removal rates of ECM, when compared to that of conventional methods?
• Tool insulation that                      the side machining action is needed in the process of ECM.
• State whether the following statement is true or false regarding the limitations of ECM. “In electrochemical machining, duplicating the tool is easier.”
• Machining rate can be affected by the ratio of hardness of tool to that of hardness of work piece.