MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Brinell test is sensitive to surface roughness. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
A ball Indenter of _________ mm and _________ kgf load is used in case of gray cast iron. |
| A. | 10, 3000 |
| B. | 5, 750 |
| C. | 10, 1000 |
| D. | 10, 500 |
| Answer» B. 5, 750 | |
| 3. |
For very hard metals _________ ball is used in Brinell test. |
| A. | Hardened steel |
| B. | Alloyed steel |
| C. | Tungsten carbide |
| D. | Diamond |
| Answer» D. Diamond | |
| 4. |
For Brinell hardness test _________ is kept constant. |
| A. | P |
| B. | P/D |
| C. | P*D |
| D. | P/D2 |
| Answer» E. | |
| 5. |
Brinell test method is defined in _________ |
| A. | ASTMB10 |
| B. | ASTME20 |
| C. | ASTME10 |
| D. | ASTMB20 |
| Answer» D. ASTMB20 | |
| 6. |
FOR_BRINELL_HARDNESS_TEST___________IS_KEPT_CONSTANT.?$ |
| A. | P |
| B. | P/D |
| C. | P*D |
| D. | P/D<sup>2</sup> |
| Answer» E. | |
| 7. |
A ball Indenter of _________ mm and _________ kgf load is used in case of gray cast iron.$ |
| A. | 10, 3000 |
| B. | 5, 750 |
| C. | 10, 1000 |
| D. | 10, 500 |
| Answer» B. 5, 750 | |
| 8. |
For_very_hard_metals___________ball_is_used_in_Brinell_test.$ |
| A. | Hardened steel |
| B. | Alloyed steel |
| C. | Tungsten carbide |
| D. | Diamond |
| Answer» D. Diamond | |
| 9. |
The load is applied for a standard time in Brinell test. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Brinell_test_is_sensitive_to_surface_roughness. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Brinell test method is defined in ________? |
| A. | ASTMB10 |
| B. | ASTME20 |
| C. | ASTME10 |
| D. | ASTMB20 |
| Answer» D. ASTMB20 | |
| 12. |
Brinell hardness number is not a function of ____________ |
| A. | Ball diameter |
| B. | Impression diameter |
| C. | Surface roughness |
| D. | Load |
| Answer» D. Load | |
| 13. |
What is the ball diameter taken for 1 kgf test load in Brinell test? |
| A. | 1 mm |
| B. | 5 mm |
| C. | 10 mm |
| D. | 50 mm |
| Answer» B. 5 mm | |
| 14. |
What is the ball diameter taken for indenter of 500 kgf load in Brinell test? |
| A. | 50 mm |
| B. | 1 mm |
| C. | 5 mm |
| D. | 10 mm |
| Answer» E. | |
| 15. |
What is the most important source of error in the Brinell test? |
| A. | Surface roughness |
| B. | Indentation measurement |
| C. | Coarse structure |
| D. | Indenter error |
| Answer» C. Coarse structure | |
| 16. |
What test force is applied for steels and cast irons in Brinell test? |
| A. | 500 kgf |
| B. | 1000 kgf |
| C. | 2000 kgf |
| D. | 3000 kgf |
| Answer» E. | |
| 17. |
What test force is applied for nonferrous materials in Brinell test? |
| A. | 50 kgf |
| B. | 500 kgf |
| C. | 1000 kgf |
| D. | 3000 kgf |
| Answer» C. 1000 kgf | |
| 18. |
What indenter is used for Brinell test? |
| A. | Hardened steel ball |
| B. | Diamond ball |
| C. | Diamond prism |
| D. | Steel prism |
| Answer» B. Diamond ball | |