In production of EDM electrodes, typical ultrasonic speeds, in graphite ranges between?

Related MCQs

• What is the value of order of frequency applied between the two electrodes in EDM?
• The only difference between die-sink EDM and wire cut EDM is the            
• Which of the following materials are used as electrodes in EDM?
• Which of the following tungsten carbides are used as electrodes in EDM?
• In EDM, choosing electrodes that produce which type of machining reduces the annealing effect?
• Machining speeds have gone up to how many times after the invention of EDM?
• State whether the following statement is true or false regarding EDM. “In EDM, process is affected by hardness of material.”
• State whether the following statement is true or false about material removal in EDM. “In EDM, high pressures allow the metal to evaporate.”
• State whether the following statement is true or false regarding wear in EDM. “In EDM, electrode wear is less dominant when it comes to micromachining applications.”
• State whether the following statement is true or false regarding wear in EDM. “In EDM, corner wear ratio does not depend on type of electrode material.”