MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In ultrasonic inspection, there is no chance of rejection of good material. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Monitoring of porosity defects in casting by ultrasonic inspection is very difficult. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In ultrasonic inspection, some standards are taken as a reference to measure the size of discontinuity in the material. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following formulas is used for the calculation of ultrasonic attenuation coefficient (α)?a) α = 10 log(A0/A)/Xb) α = 20 log(A0/A)*Xc) α = 10 log(A0/A)*Xd) α = 20 log(A0/ |
| A. | α = 10 log(A0/A)/X |
| B. | α = 20 log(A0/A)*X |
| C. | α = 10 log(A0/A)*X |
| D. | α = 20 log(A0/A)/X |
| Answer» E. | |
| 5. |
Ultrasound attenuation has no affects on the detection of discontinuities or defects in the castings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Coarse grained structures of casting material lead to increase attenuation in ultrasonic inspection. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
In MPI method, the magnetic discontinuities lie in a direction parallel to the direction of the magnetic field. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
IN_ULTRASONIC_INSPECTION,_SOME_STANDARDS_ARE_TAKEN_AS_A_REFERENCE_TO_MEASURE_THE_SIZE_OF_DISCONTINUITY_IN_THE_MATERIAL.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
In ultrasonic inspection, there is no chance of rejection of good material.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Monitoring of porosity defects in casting by ultrasonic inspection is very difficult.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which of the following formulas is used for the calculation of ultrasonic attenuation coefficient (α)?# |
| A. | α = 10 log(A<sub>0</sub>/A)/X |
| B. | α = 20 log(A<sub>0</sub>/A)*X |
| C. | α = 10 log(A<sub>0</sub>/A)*X |
| D. | α = 20 log(A<sub>0</sub>/A)/X |
| Answer» E. | |
| 12. |
Ultrasound attenuation has no affects on detection of discontinuities or defects in the castings? |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Coarse grained structures of casting material leads to increase attenuation in ultrasonic inspection. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Which of the following methods is best for detecting interior flaws in the castings? |
| A. | Liquid penetrant test |
| B. | Visual inspection |
| C. | Magnetic particle inspection |
| D. | Ultrasonic inspection |
| Answer» E. | |
| 15. |
For the detection of discontinuities beneath the surface, liquid penetrant testing method can be used. |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
Magnetic particle inspection is a very sensitive technique for the detection of defects in the castings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
Any type of particles can be used for the detection of surface discontinuities of material in MPI method. |
| A. | True |
| B. | False |
| Answer» C. | |
| 18. |
In MPI method, the magnetic discontinuities lie in a direction parallel to the direction of magnetic field. |
| A. | True |
| B. | False |
| Answer» C. | |
| 19. |
Which of the following methods of inspection is mostly used for ferromagnetic materials? |
| A. | Acoustic emission test |
| B. | Ultrasonic inspection |
| C. | Magnetic particle inspection |
| D. | Visual inspection |
| Answer» D. Visual inspection | |