MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
WHICH_OF_THE_FOLLOWING_FACTORS_AFFECT_THE_SURFACE_FINISH_OF_MACHINED_PARTS_IN_ULTRASONIC_MACHINING??$ |
| A. | Amplitude |
| B. | Material |
| C. | Tool surface |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
When the viscosity of liquid carrier is increased, the surface quality of the parts?$ |
| A. | Increased |
| B. | Decreased |
| C. | Remained same |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
What is value of surface finish achieved, when we use the abrasive of grit number 240?$ |
| A. | 0.01 – 0.08 μm |
| B. | 0.08 – 0.13 μm |
| C. | 0.13 – 0.25 μm |
| D. | 0.25 – 0.38 μm |
| Answer» E. | |
| 4. |
Typical roundness error in graphite, resulted due to lateral vibrations is between? |
| A. | 01 – 20 μm |
| B. | 20 – 60 μm |
| C. | 60 – 100 μm |
| D. | 100 – 150 μm |
| Answer» C. 60 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100 ‚âà√≠¬¨‚à´m | |
| 5. |
Conicity resulting after machining by Ultrasonic Machining can be reduced by? |
| A. | Direct injection of slurry |
| B. | Tools having negative taper |
| C. | High static pressure |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Of the following, USM accuracy levels are limited to which value? |
| A. | ± 0.01 mm |
| B. | ± 0.05 mm |
| C. | ± 0.10 mm |
| D. | ± 0.50 mm |
| Answer» C. ¬¨¬®¬¨¬± 0.10 mm | |
| 7. |
While machining B4C, tool over cut size when compared to mean grain size is? |
| A. | Two times greater |
| B. | Two times smaller |
| C. | Three times greater |
| D. | Three times smaller |
| Answer» D. Three times smaller | |
| 8. |
While machining W4C and glass, tool over cut size when compared to mean grain size is? |
| A. | Two times greater |
| B. | Two times smaller |
| C. | Three times greater |
| D. | Three times smaller |
| Answer» B. Two times smaller | |
| 9. |
Of the following factors, which one affects the accuracy of parts? |
| A. | Steady abrasive flow |
| B. | Accurate feed |
| C. | Unsteady abrasive flow |
| D. | Ultrasonic frequency |
| Answer» D. Ultrasonic frequency | |
| 10. |
Which of the following distribution factors, does not affect the machining parts? |
| A. | Side wear of tool |
| B. | Abrasive wear |
| C. | Accurate feed |
| D. | Form error of tool |
| Answer» D. Form error of tool | |