 
			 
			MCQOPTIONS
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				This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Evaluation of cracks _________ be determined after cracking. | 
| A. | Can | 
| B. | Can’t | 
| C. | Sometimes | 
| D. | Depends on the structure | 
| Answer» B. Can’t | |
| 2. | In Concrete core test the strength is ________ at the top and _________ at the bottom. | 
| A. | Lowest, lowest | 
| B. | Lowest, highest | 
| C. | Highest, lowest | 
| D. | Highest, highest | 
| Answer» C. Highest, lowest | |
| 3. | A ratio of core height-to-diameter of __________ gives a standard cylinder test. | 
| A. | 1 | 
| B. | 2 | 
| C. | 3 | 
| D. | 4 | 
| Answer» C. 3 | |
| 4. | It is about __________ times the tensile stress determined by the splitting test. | 
| A. | Equal | 
| B. | .5 | 
| C. | 1.5 | 
| D. | 2 | 
| Answer» D. 2 | |
| 5. | The fatigue performance of metallic casting is generally determined by endurance limit of the material. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 6. | In impact testing of materials, the notches are made to reduce the stress concentration. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 7. | The dynamic tear test is mainly used for evaluating fracture properties of ultrahigh strength steel castings. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 8. | Charpy v-notch test can only estimate the energy absorbed by the fracturing of material. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 9. | Which of the following tests uses a heavy pendulum for the breaking of a specimen while inspection? | 
| A. | Pressure test | 
| B. | Static tear test | 
| C. | Stress test | 
| D. | Charpy v-notch test | 
| Answer» E. | |
| 10. | Destructive tests are generally much easier to interpret than the non-destructive tests. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 11. | THE_DYNAMIC_TEAR_TEST_IS_MAINLY_USED_FOR_EVALUATING_FRACTURE_PROPERTIES_OF_ULTRAHIGH_STRENGTH_STEEL_CASTINGS.?$ | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 12. | DURING_RADIOGRAPHY_TEST,_WHICH_REGION_ABSORBS_LESS_RADIATION_AND_TRANSMITS_MORE??$ | 
| A. | Low and high density regions absorb and transmit same amount of radiation | 
| B. | High density region | 
| C. | Low density region | 
| D. | Low and high density regions adsorb | 
| Answer» D. Low and high density regions adsorb | |
| 13. | The fatigue performance of metallic casting is generally determined by endurance limit of the material.$ | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 14. | In impact testing of materials, the notches are made to reduce the stress concentration.$ | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 15. | Which of the following parameters is also known as stress intensity factor (K)? | 
| A. | Creep | 
| B. | Proof resilience | 
| C. | Fracture toughness | 
| D. | Endurance | 
| Answer» D. Endurance | |
| 16. | Charpy v-notch test can only estimate the energy absorbed by the fracturing of material? | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 17. | Which of the following tests uses a heavy pendulum for the breaking of specimen while inspection? | 
| A. | Pressure test | 
| B. | Static tear test | 
| C. | Stress test | 
| D. | Charpy v-notch test | 
| Answer» E. | |
| 18. | In Concrete core test the strength is __ at the top and ___ at the bottom. | 
| A. | Lowest, lowest | 
| B. | Lowest, highest | 
| C. | Highest, lowest | 
| D. | Highest, highest | 
| Answer» C. Highest, lowest | |
| 19. | Which of the following tests is not the type of destructive testing of materials? | 
| A. | Stress test | 
| B. | Crash test | 
| C. | Hardness test | 
| D. | Pressure test | 
| Answer» E. | |
| 20. | A ratio of core height-to-diameter of ___ gives a standard cylinder test. | 
| A. | 1 | 
| B. | 2 | 
| C. | 3 | 
| D. | 4 | 
| Answer» C. 3 | |
| 21. | Destructive testing method can also be economical for large casting or structure. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 22. | It is about ___ times the tensile stress determined by the splitting test. | 
| A. | Equal | 
| B. | .5 | 
| C. | 1.5 | 
| D. | 2 | 
| Answer» D. 2 | |
| 23. | High speed camera used in destructive testing can give very precise information about the failure of casting or material. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 24. | Compressive strength of hardened concrete is done by _________ | 
| A. | Cube test | 
| B. | Tensile splitting test | 
| C. | Concrete core test | 
| D. | Flexure test | 
| Answer» B. Tensile splitting test | |
| 25. | In destructive testing, all the operations are performed manually, thus it does not require any technologies or electronic devices. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 26. | Destructive testing is not economical for mass production as this method destroys material for the inspection. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 27. | What is destructive test? | 
| A. | Destructive tests are applications for detecting flaws in materials without impairing their usefulness | 
| B. | Destructive tests are applications for detecting flaws that impair the use of the materials such as pressure testing | 
| C. | Destructive tests are applications for detecting flaws in materials with impairing their usefulness | 
| D. | Destructive tests are applications for detecting flaws that do not impair the use of the materials such as pressure testing | 
| Answer» C. Destructive tests are applications for detecting flaws in materials with impairing their usefulness | |