MCQOPTIONS
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MCQOPTIONS
This section includes 16 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.“In Abrasive jet machining, commercial grades powders can be used for machining.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What are the processes where Abrasive jet machining can be used? |
| A. | Cleaning |
| B. | Cutting |
| C. | Deburring |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
In Abrasive jet machining, what may be the size of the abrasive grains used? |
| A. | 10 – 40 µm |
| B. | 50 – 100 µm |
| C. | 100 – 150 µm |
| D. | 200 – 300 µm |
| Answer» B. 50 – 100 µm | |
| 4. |
IN_ABRASIVE_JET_MACHINING,_WHAT_MAY_BE_THE_SIZE_OF_THE_ABRASIVE_GRAINS_USED??$ |
| A. | 10 – 40 µm |
| B. | 50 – 100 µm |
| C. | 100 – 150 µm |
| D. | 200 – 300 µm |
| Answer» B. 50 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100 ¬¨¬®¬¨¬µm | |
| 5. |
What are the processes where Abrasive jet machining can be used?$ |
| A. | Cleaning |
| B. | Cutting |
| C. | Deburring |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Masks, which are used to confine the jet stream location on work piece are made of, which type of materials? |
| A. | Copper |
| B. | Glass |
| C. | Rubber |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
In machining system of AJM, which of the following controls the relative motion between work piece and nozzle? |
| A. | Cam drives |
| B. | Pantographs |
| C. | Trace mechanisms |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
What is the frequency of mixing chamber, consisting of gas and abrasives? |
| A. | 10 Hz |
| B. | 30 Hz |
| C. | 50 Hz |
| D. | 70 Hz |
| Answer» D. 70 Hz | |
| 9. |
Which of the following gas, should never be used as the carrier of abrasives? |
| A. | Nitrogen |
| B. | CO<sup>2</sup> |
| C. | Oxygen |
| D. | Air |
| Answer» D. Air | |
| 10. |
What is the pressure of gas that is to be supplied, for carrying the abrasives? |
| A. | 0.1 to 1.0 kg/cm<sup>2</sup> |
| B. | 2.0 to 8.0 kg /cm<sup>2</sup> |
| C. | 10.0 to 18.0 kg/cm<sup>2</sup> |
| D. | 25.0 to 35.5 kg/cm<sup>2</sup> |
| Answer» C. 10.0 to 18.0 kg/cm<sup>2</sup> | |
| 11. |
In machining system of AJM, what is/are the gas/es used for carrying the abrasives? |
| A. | CO<sup>2</sup> |
| B. | Air |
| C. | Nitrogen |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
In machining system of AJM, which is the medium of carrying the abrasive grains for machining? |
| A. | Liquids |
| B. | Gases |
| C. | Any fluids |
| D. | None of the mentioned |
| Answer» C. Any fluids | |
| 13. |
Which type of materials can be machined using Abrasive jet machining? |
| A. | Glass |
| B. | Ceramics |
| C. | Hard materials |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
In Abrasive jet machining, work piece material of removed by which of the following means? |
| A. | Vaporization |
| B. | Electro plating |
| C. | Mechanical abrasion |
| D. | Corrosion |
| Answer» D. Corrosion | |
| 15. |
In AJM, which of the following materials are used as abrasive grains? |
| A. | Al<sup>2</sup>O<sup>3</sup> |
| B. | SiC |
| C. | Glass beads |
| D. | All of the mentioned |
| Answer» E. | |
| 16. |
In advanced machining processes, what is the full form of AJM? |
| A. | Automatic Jet Manufacturing |
| B. | Abrasive Jet Machining |
| C. | Automated Jet Machining |
| D. | Abrasive Jet Manufacturing |
| Answer» C. Automated Jet Machining | |