 
			 
			MCQOPTIONS
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				This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 1. | State whether the following statement is true or false regarding the material removal in ECG.“In ECG, material removal is not continuous using abrasive.” | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | Electro chemical grinding is ___________ Electro chemical machining. | 
| A. | Superior to | 
| B. | Inferior to | 
| C. | Similar to | 
| D. | None of the mentioned | 
| Answer» D. None of the mentioned | |
| 3. | STATE_WHETHER_FOLLOWING_STATEMENT_IS_TRUE_OR_FALSE_REGARDING_THE_MATERIAL_REMOVAL_IN_ECG.?$ | 
| A. | |
| B. | True | 
| Answer» C. | |
| 4. | What are the values of current used in ECG? | 
| A. | 1 to 50 A | 
| B. | 50 to 300 A | 
| C. | 300 to 600 A | 
| D. | 600 to 1000 A | 
| Answer» D. 600 to 1000 A | |
| 5. | What are the values of surface speeds at which the wheel rotates? | 
| A. | 5 to 15 m/s | 
| B. | 10 to 20 m/s | 
| C. | 20 to 35 m/s | 
| D. | 40 to 60 m/s | 
| Answer» D. 40 to 60 m/s | |
| 6. | Which of the following electrolytes are used for machining purpose in ECG? | 
| A. | Sodium nitrate | 
| B. | Hydro chloric acid | 
| C. | Nitric acid | 
| D. | Potassium permanganate | 
| Answer» B. Hydro chloric acid | |
| 7. | What is the value of the grit number of the abrasives used in ECG? | 
| A. | 1 – 20 | 
| B. | 20 – 60 | 
| C. | 60 – 320 | 
| D. | 350 – 640 | 
| Answer» D. 350 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 640 | |
| 8. | What is the value of inter electrode gap maintained in ECG process? | 
| A. | <0.015 mm | 
| B. | <0.025 mm | 
| C. | <0.035 mm | 
| D. | <0.045 mm | 
| Answer» C. <0.035 mm | |
| 9. | Electro chemical grinding is _______ Electro chemical machining. | 
| A. | Superior to | 
| B. | Inferior to | 
| C. | Similar to | 
| D. | None of the mentioned | 
| Answer» D. None of the mentioned | |
| 10. | Which of the following mentioned below are utilized in the ECG process? | 
| A. | Electrolytic solution | 
| B. | Abrasive grinding wheel | 
| C. | Work piece | 
| D. | All of the mentioned | 
| Answer» E. | |
| 11. | The grinding wheel used in the ECG process is of which charge given below? | 
| A. | Positive charge | 
| B. | Negative charge | 
| C. | Neutral charge | 
| D. | All of the mentioned | 
| Answer» D. All of the mentioned | |
| 12. | 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 grinding | 
| Answer» C. Electro chemical grooving | |