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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
1. |
Increasing volume concentration of abrasive in slurry would affect MRR in which of the following manner? |
A. | increase MRR |
B. | decrease MRR |
C. | would not change MRR |
D. | initially decrease and then increase MRR |
Answer» B. decrease MRR | |
2. |
In USM, material removal may occur due to _____ |
A. | fatigue failure |
B. | fouling failure |
C. | free flowing impact of the abrasive |
D. | creep |
Answer» D. creep | |
3. |
During USM, cracks are produced due to _____ |
A. | von-mises stresses |
B. | hertzian stresses |
C. | principal stresses |
D. | episodic acute stresses |
Answer» C. principal stresses | |
4. |
In case of brittle materials, the material is removed by crack initiation. |
A. | True |
B. | False |
Answer» B. False | |
5. |
In ultrasonic machining, the abrasive particles act as the __________ |
A. | chip carriers |
B. | intenders |
C. | finishing particles |
D. | thickening agent for the slurry |
Answer» C. finishing particles | |
6. |
In ultrasonic machining (USM), the tool is pressed downward. |
A. | True |
B. | False |
Answer» B. False | |
7. |
Under what frequency ultrasonic machining is done? |
A. | 5—10 Hz |
B. | 5—10 kHz |
C. | 12—19 Hz |
D. | 19—25 kHz |
Answer» E. | |
8. |
Tool in USM is generally made from which of the following materials? |
A. | Glass |
B. | Ceramic |
C. | Carbides |
D. | Steel |
Answer» E. | |
9. |
Which of the following material is not generally machined by USM? |
A. | Copper |
B. | Glass |
C. | Silicon |
D. | Germanium |
Answer» B. Glass | |
10. |
Ultrasonic machining (USM) can be classified as which of the following type of non-traditional machining process? |
A. | electrical |
B. | optical |
C. | mechanical |
D. | chemical |
Answer» D. chemical | |