MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Wearing resistance of cutting tool must be |
| A. | High |
| B. | Low |
| C. | Very low |
| D. | None of the mentioned |
| Answer» B. Low | |
| 2. |
Hot hardness of cutting of cutting tool should be |
| A. | Large |
| B. | Small |
| C. | Very small |
| D. | None of the mentioned |
| Answer» B. Small | |
| 3. |
Thermal conductivity of cutting tool must be |
| A. | High |
| B. | Low |
| C. | Very low |
| D. | None of the mentioned |
| Answer» B. Low | |
| 4. |
Cutting tool should maintain its hardness. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following material can be used for coating on tools? |
| A. | HSS |
| B. | TiCN |
| C. | WC |
| D. | cBN |
| Answer» C. WC | |
| 6. |
Which of the following tool material will offer lower friction and higher resistance to cracks and wear? |
| A. | HSS |
| B. | TiC |
| C. | WC |
| D. | TiCN |
| Answer» E. | |
| 7. |
High speed steels are most suitable for |
| A. | High Positive rake angle tools |
| B. | High Negative rake angle tools |
| C. | Zero Rake angle tools |
| D. | None of the mentioned |
| Answer» B. High Negative rake angle tools | |
| 8. |
Which of the following tools is most suitable for very hard and brittle material? |
| A. | HSS |
| B. | Cast-cobalt alloy |
| C. | Carbides |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
If a percentage of cobalt in Tungsten carbide tool increases, then toughness of tool will |
| A. | Increase |
| B. | Decrease |
| C. | Remains Constant |
| D. | First increase then decrease |
| Answer» B. Decrease | |