MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following holds true for gamma-ray radiography as compared to x-ray radiography? |
| A. | Better detection of castings of uniform thickness |
| B. | Better for detection of small defects |
| C. | More rapid method |
| D. | Used for thick castings |
| Answer» E. | |
| 2. |
The x-ray film showing light and dark areas is known as _________ |
| A. | Quantograph |
| B. | Exograph |
| C. | Wilbur’s film |
| D. | Smith’s film |
| Answer» C. Wilbur’s film | |
| 3. |
How can porosity of material be inspected? |
| A. | Hammer test |
| B. | X-ray radiography |
| C. | Gamma-ray radiography |
| D. | Liquid penetrant test |
| Answer» B. X-ray radiography | |
| 4. |
WHICH_OF_THE_FOLLOWING_HOLDS_TRUE_FOR_GAMMA-RAY_RADIOGRAPHY_AS_COMPARED_TO_X-RAY_RADIOGRAPHY??$ |
| A. | Better detection of castings of uniform thickness |
| B. | Better for detection of small defects |
| C. | More rapid method |
| D. | Used for thick castings |
| Answer» E. | |
| 5. |
The x-ray film showing light and dark areas is known as ________? |
| A. | Quantograph |
| B. | Exograph |
| C. | Wilbur’s film |
| D. | Smith’s film |
| Answer» C. Wilbur‚Äö√Ñ√∂‚àö√ë‚àö¬•s film | |
| 6. |
What is used as the source of rays for radiography? |
| A. | Uranium-235 |
| B. | Tellurium |
| C. | Cobalt-60 |
| D. | Manganese dioxide |
| Answer» D. Manganese dioxide | |
| 7. |
How can porosity of a material be inspected? |
| A. | Hammer test |
| B. | X-ray radiography |
| C. | Gamma-ray radiography |
| D. | Liquid penetrant test |
| Answer» B. X-ray radiography | |
| 8. |
Visual inspection may be done for which of the following activities? |
| A. | Internal shrinkage |
| B. | Blowholes |
| C. | Porosity |
| D. | Counterbalance weights |
| Answer» E. | |
| 9. |
For a concentration of about 0.0001 to 2%, which method of analysis is used? |
| A. | X-ray fluorescence |
| B. | Optical emission spectroscopy |
| C. | Surface spectroscopy |
| D. | Laser fluorescence |
| Answer» C. Surface spectroscopy | |
| 10. |
A ___________ is used to measure the blackness of lines in a spectrograph. |
| A. | X-ray tube |
| B. | Manometer |
| C. | Quantometer |
| D. | Densitometer |
| Answer» E. | |
| 11. |
Which spectrometer allows analysis of carbon and sulfur? |
| A. | Vacuum spectrometer |
| B. | Airpath spectrometer |
| C. | Tube spectrometer |
| D. | Rayleigh spectrometer |
| Answer» B. Airpath spectrometer | |
| 12. |
What is the disadvantage of wet analysis? |
| A. | Inaccuracy |
| B. | Time-consuming |
| C. | Not suitable for iron-carbon alloys |
| D. | Causes fatigue |
| Answer» C. Not suitable for iron-carbon alloys | |