MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Behaviour knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a Charpy test, compressive stresses form around the notch. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Izod impact test is preferred for plastics. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Dynamic tests are generally applied to _______ |
| A. | Austenitic stainless steel |
| B. | Duralumin |
| C. | Single phase brass |
| D. | Tool steels |
| Answer» E. | |
| 4. |
Which impact test would you use for duralumin? |
| A. | Charpy (U notch) |
| B. | Izod |
| C. | Charpy (V notch) |
| D. | No need |
| Answer» E. | |
| 5. |
DYNAMIC_TESTS_ARE_GENERALLY_APPLIED_TO________?$ |
| A. | Austenitic stainless steel |
| B. | Duralumin |
| C. | Single phase brass |
| D. | Tool steels |
| Answer» E. | |
| 6. |
WHICH_IMPACT_TEST_WOULD_YOU_USE_FOR_DURALUMIN??$ |
| A. | Charpy (U notch) |
| B. | Izod |
| C. | Charpy (V notch) |
| D. | No need |
| Answer» E. | |
| 7. |
In a Charpy test, compressive stresses form around the notch.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Izod impact test is preferred for plastics.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
What are specimen dimensions for a Charpy test? |
| A. | 75√ó10√ó10mm |
| B. | 55√ó10√ó10mm |
| C. | 65√ó10√ó10mm |
| D. | 85√ó10√ó10mm |
| Answer» C. 65‚Äö√†√∂‚àö‚â•10‚Äö√†√∂‚àö‚â•10mm | |
| 10. |
Izod uses _________ hammer as striker and Charpy use _________ hammer. |
| A. | Farming, farming |
| B. | Farming, Ball pin |
| C. | Ball pin, forming |
| D. | Ball pin, ball pin |
| Answer» C. Ball pin, forming | |
| 11. |
In _________ test, there are two kinds of notches. |
| A. | Izod |
| B. | Tensile |
| C. | Charpy |
| D. | Leeb |
| Answer» D. Leeb | |
| 12. |
What is the cross section of a standard specimen for impact testing? |
| A. | 10mm√ó10mm |
| B. | 10mm√ó20mm |
| C. | 20mm√ó20mm |
| D. | 15mm√ó20mm |
| Answer» B. 10mm‚Äö√†√∂‚àö‚â•20mm | |
| 13. |
What position is used for placing specimen in anvil for Izod test? |
| A. | Supported vertical |
| B. | Freely vertical |
| C. | Supported horizontally |
| D. | Freely horizontally |
| Answer» B. Freely vertical | |
| 14. |
Standard specimen has v-notch of ___________ depth. |
| A. | 1mm |
| B. | 2mm |
| C. | 3mm |
| D. | 4mm |
| Answer» C. 3mm | |
| 15. |
Work of fracture is given by __________ |
| A. | wh |
| B. | whg |
| C. | wh-wh’ |
| D. | wh<sup>2</sup> |
| Answer» D. wh<sup>2</sup> | |
| 16. |
Kinetic energy of Izod hammer is given as _________ |
| A. | wh-wh’ |
| B. | wh |
| C. | whg |
| D. | wh<sup>2</sup> |
| Answer» C. whg | |