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This section includes 20 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. |
Higher material removal rates are associated with _________ feed rates and _________ tool diameters. |
A. | Larger, smaller |
B. | Smaller, larger |
C. | Smaller, smaller |
D. | Larger, larger |
Answer» E. | |
2. |
What are the values of feed rates used in ES drilling process? |
A. | 0.01 to 0.5 mm/min |
B. | 0.75 to 2.5 mm/min |
C. | 3 to 4.5 mm/min |
D. | 5 to 7.5 mm/min |
Answer» C. 3 to 4.5 mm/min | |
3. |
What are the values of voltages used in ES drilling process? |
A. | 10 to 40 V |
B. | 40 to 70 V |
C. | 70 to 150 V |
D. | 150 to 300 V |
Answer» D. 150 to 300 V | |
4. |
Which of the following parameters must be carefully monitored for satisfactory machining? |
A. | Acid temperature |
B. | Pressure |
C. | Concentration |
D. | All of the mentioned |
Answer» E. | |
5. |
State whether the following statement is true or false regarding ES drilling.“In ES drilling, hydrochloric acid is used for machining aluminium and its alloys.” |
A. | True |
B. | False |
Answer» B. False | |
6. |
WHICH_OF_THE_FOLLOWING_PARAMETERS_MUST_BE_CAREFULLY_MONITORED_FOR_SATISFACTORY_MACHINING??$ |
A. | Acid temperature |
B. | Pressure |
C. | Concentration |
D. | All of the mentioned |
Answer» E. | |
7. |
What are the values of feed rates used in ES drilling process?$ |
A. | 0.01 to 0.5 mm/min |
B. | 0.75 to 2.5 mm/min |
C. | 3 to 4.5 mm/min |
D. | 5 to 7.5 mm/min |
Answer» C. 3 to 4.5 mm/min | |
8. |
What are the values of voltages used in ES drilling process?$ |
A. | 10 to 40 V |
B. | 40 to 70 V |
C. | 70 to 150 V |
D. | 150 to 300 V |
Answer» D. 150 to 300 V | |
9. |
How many holes can be drilled simultaneously using ES drilling process? |
A. | One hole |
B. | Two holes |
C. | Three holes |
D. | Multiple holes |
Answer» E. | |
10. |
What are the normal hole depth tolerance values in ES drilling? |
A. | ± 0.03 mm |
B. | ± 0.05 mm |
C. | ± 0.07 mm |
D. | ± 0.09 mm |
Answer» C. ¬¨¬®¬¨¬± 0.07 mm | |
11. |
Higher material removal rates are associated with _____ feed rates and _____ tool diameters. |
A. | Larger, smaller |
B. | Smaller, larger |
C. | Smaller, smaller |
D. | Larger, larger |
Answer» E. | |
12. |
What are the values of electrolyte pressure recommended for ES drilling? |
A. | 50 – 100 kPa |
B. | 100 – 250 kPa |
C. | 275 – 400 kPa |
D. | 500 – 750 kPa |
Answer» D. 500 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 750 kPa | |
13. |
Which of the following are the metals, which can be machined using sulphuric acid? |
A. | Carbon steels |
B. | Haste alloy |
C. | Inconel |
D. | All of the mentioned |
Answer» E. | |
14. |
State whether following statement is true or false regarding ES drilling. |
A. | |
B. | True |
Answer» B. True | |
15. |
What is the concentration of electrolytes that are commonly used in ES drilling? |
A. | 1 to 10wt % |
B. | 12 to 20wt % |
C. | 23 to 30wt % |
D. | 34 to 50wt % |
Answer» C. 23 to 30wt % | |
16. |
Which of the following acts as the cathodic tool in ES drilling? |
A. | Titanium base |
B. | Platinum wire |
C. | Glass nozzle |
D. | Work piece |
Answer» C. Glass nozzle | |
17. |
Compared to the required diameter of the hole, how is the nozzle diameter? |
A. | Smaller |
B. | Larger |
C. | Same as required |
D. | All of the mentioned |
Answer» B. Larger | |
18. |
What is the value of diameter of glass nozzle used in Electrostream drilling? |
A. | 0.01 – 0.02 mm |
B. | 0.025 – 0.5 mm |
C. | 0.5 – 0.75 mm |
D. | 0.75 – 1.25 mm |
Answer» C. 0.5 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.75 mm | |
19. |
This Electrostream drilling is used when we cannot drill which of the following type of holes? |
A. | Too deep holes by EDM |
B. | Small holes by STEM |
C. | All of the mentioned |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
20. |
In advanced machining processes, what is the full form of ES drilling? |
A. | Electro stream |
B. | Electrical shaped |
C. | Electron shaped |
D. | Electric shock |
Answer» B. Electrical shaped | |