Question 21 : State whether following statement is true or false regarding the process of ECH.
'In ECH, the electro chemical dissolution phase introduces stresses.'
1. True
2. False
3.
4.
View Answer   Discuss with Members

Question 22 : Tool reciprocation can be used to reduce which of the following effects on work piece?
1. Taper
2. Waviness
3. All of the mentioned
4. None of the mentioned
View Answer   Discuss with Members

Question 23 : State whether following statement is true or false regarding applications of ECH.
'In ECH, the roundness errors are reduced compared to other processes.'
1. True
2. False
3.
4.
View Answer   Discuss with Members

Question 24 : What are the surface roughness values obtained while we use ECH process?
1. 0.1 to 0.2 µm
2. 0.2 to 0.8 µm
3. 0.8 to 1.6 µm
4. 1.6 to 3.2 µm
View Answer   Discuss with Members

Question 25 : What are the tolerances that are achieved using ECH process?
1. ± 0.001 mm
2. ± 0.002 mm
3. ± 0.003 mm
4. ± 0.004 mm
View Answer   Discuss with Members

Question 26 : How much faster is MRR in ECH when compared to the conventional internal grinding?
1. 2 times
2. 4 times
3. 6 times
4. 8 times
View Answer   Discuss with Members

Question 27 : How much faster is MRR in ECH when compared to the conventional honing?
1. 1 to 2 times
2. 2 to 3 times
3. 3 to 5 times
4. 5 to 8 times
View Answer   Discuss with Members

Question 28 : What is the value of gap maintained in ECH?
1. 0.025 to 0.075 mm
2. 0.075 to 0.250 mm
3. 0.250 to 0.750 mm
4. 0.750 to 2.50 mm
View Answer   Discuss with Members

Question 29 : The machining system employs which type of abrasive stone for removal of material?
1. Pulsating
2. Vibrating
3. Reciprocating
4. All of the mentioned
View Answer   Discuss with Members

Question 30 : State whether following statement is true or false about ECH process.
'In ECH, improper electrolytic distribution will have no effect on any component.'
1. True
2. False
3.
4.
View Answer   Discuss with Members