Question 51 : The tolerance values in ECG depend on which of the following factors?
1. Electrolyte flow
2. Feed rate
3. Metallurgy of material
4. All of the mentioned
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Question 52 : What are the production tolerances obtained in ECG process?
1. ± 0.005 mm
2. ± 0.015 mm
3. ± 0.025 mm
4. ± 0.035 mm
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Question 53 : Under special circumstances what are the tolerances obtained?
1. ± 0.02 mm
2. ± 0.04 mm
3. ± 0.06 mm
4. ± 0.08 mm
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Question 54 : What are the tolerance value that are obtained by using ECG process?
1. ± 0.01 mm
2. ± 0.03 mm
3. ± 0.05 mm
4. ± 0.07 mm
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Question 55 : Action of abrasive grains depend on which of the following factors?
1. Electric filed
2. Transport of electrolyte
3. Hydrodynamic effects
4. All of the mentioned
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Question 56 : ECG is a hybrid machining process of which material removal mechanisms below?
1. Mechanical abrasion
2. Electro chemical dissolution
3. All of the mentioned
4. None of the mentioned
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Question 57 : What are the volumetric removal rates that are obtained in ECG process?
1. 400 mm³/min
2. 800 mm³/min
3. 1600 mm³/min
4. 3200 mm³/min
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Question 58 : How much amount of burr is produce in Electro chemical grinding process?
1. Less amount
2. Moderate amount
3. High amount
4. No burrs are produced
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Question 59 : Removal rates of ECG process are how may time to that of the conventional machining processes?
1. 2 times
2. 3 times
3. 4 times
4. 5 times
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Question 60 : Mechanical abrasion counts to how much amount of the material removal in ECG?
1. 1 to 5%
2. 5 to 10%
3. 10 to 15%
4. 15 to 20%
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