Related InterviewSolutions

• What are the values of the current densities used in ECB process?(a) 0.01 – 0.7 A/cm^2(b) 0.1 – 7 A/cm^2(c) 1 – 14 A/cm^2(d) 21 – 42 A/cm^2This question was addressed to me by my college professor while I was bunking the class.My doubt stems from Electrochemical Buffing-Introduction, Material Removal topic in division Hybrid Electrochemical Processes of Advanced Machining
• How much faster is MRR in ECH when compared to the conventional internal grinding?(a) 2 times(b) 4 times(c) 6 times(d) 8 timesI have been asked this question by my school principal while I was bunking the class.Question is from ECH-Process Characteristics, Applications in section Hybrid Electrochemical Processes of Advanced Machining
• Surface finish in ECG depend on which of the following factors?(a) Metal machined(b) Abrasive size(c) Wheel speed(d) All of the mentionedI got this question in an interview.The doubt is from ECG-Accuracy, Applications, Advantages and disadvantages topic in section Hybrid Electrochemical Processes of Advanced Machining
• The tolerance values in ECG depend on which of the following factors?(a) Electrolyte flow(b) Feed rate(c) Metallurgy of material(d) All of the mentionedThe question was asked during an interview.The question is from ECG-Accuracy, Applications, Advantages and disadvantages topic in section Hybrid Electrochemical Processes of Advanced Machining
• What is the full form of ECG in the advanced machining processes?(a) Electro cardio graph(b) Electro chemical grinding(c) Electro chemical grooving(d) Electric cathode grindingI got this question in final exam.I'm obligated to ask this question of Electrochemical Grinding-Introduction topic in portion Hybrid Electrochemical Processes of Advanced Machining
• Which type of voltages are recommended for closer tolerances in ECG?(a) Low(b) Moderate(c) High(d) Very highThis question was posed to me at a job interview.I'd like to ask this question from ECG-Accuracy, Applications, Advantages and disadvantages in chapter Hybrid Electrochemical Processes of Advanced Machining
• Rise in different parameters related to the MS and ECD lead to ___________ material removal rates.(a) Increase in(b) Decrease in(c) Normal(d) All of the mentionedThe question was posed to me in an interview.My question comes from Electrochemical Superfinishing-Introduction, Material Removal, Process accuracy topic in portion Hybrid Electrochemical Processes of Advanced Machining
• What are the values of voltages used for better surface quality?(a) 1 – 2 V(b) 2 – 3 V(c) 3 – 5 V(d) 5 – 8 VThe question was posed to me in examination.This intriguing question originated from ECG-Accuracy, Applications, Advantages and disadvantages topic in division Hybrid Electrochemical Processes of Advanced Machining
• What are the production tolerances obtained in ECG process?(a) ± 0.005 mm(b) ± 0.015 mm(c) ± 0.025 mm(d) ± 0.035 mmI had been asked this question by my school teacher while I was bunking the class.Question is from ECG-Accuracy, Applications, Advantages and disadvantages topic in division Hybrid Electrochemical Processes of Advanced Machining
• Under special circumstances what are the tolerances obtained?(a) ± 0.02 mm(b) ± 0.04 mm(c) ± 0.06 mm(d) ± 0.08 mmThe question was posed to me at a job interview.My question comes from ECG-Accuracy, Applications, Advantages and disadvantages in portion Hybrid Electrochemical Processes of Advanced Machining