What happens when the current density is low in ECM?

Related MCQs

• State whether the following statement is true or false about electrolyte in ECM. “Machinability in ECM is enhanced, when electrolyte is heated.”
• 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.”
• With an increase in unmanned machining hours, what happens to the efficiency of ECM?
• When the electrolyte flow is low, what happens to the current efficiency?
• ECM is usually characterized as low accuracy machining, for which of the following reason?
• How does the current pass between the two electrodes in ECM?
• What are the values of current densities used in ECM?
• Current efficiency depends on which of the following in ECM?
• When local metal removal rates are high, how will be the current density and current efficiency?
• Nickel can be machined with 100% current efficiency, when current density value is