MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
With an increase in the density of the material who does it affect the power loss in eddy current? |
| A. | Increases |
| B. | Decreases |
| C. | Does not change |
| D. | Not related |
| Answer» C. Does not change | |
| 2. |
What is the conductivity of a 7075-T6 aluminium sheet with an average thickness of 1.6 mm? |
| A. | 30 IACS |
| B. | 31 IACS |
| C. | 32 IACS |
| D. | 33 IACS |
| Answer» C. 32 IACS | |
| 3. |
Multi frequency testing allows to overcome problems in eddy current testing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
WHAT_IS_THE_CONDUCTIVITY_OF_A_7075-T6_ALUMINIUM_SHEET_WITH_AN_AVERAGE_THICKNESS_OF_1.6_MM??$ |
| A. | 30 IACS |
| B. | 31 IACS |
| C. | 32 IACS |
| D. | 33 IACS |
| Answer» C. 32 IACS | |
| 5. |
With_an_increase_in_the_density_of_the_material_who_does_it_affect_the_power_loss_in_eddy_current?$ |
| A. | Increases |
| B. | Decreases |
| C. | Does not change |
| D. | Not related |
| Answer» C. Does not change | |
| 6. |
For measuring glue line thickness between aluminium sheets, what should the thickness of the sheet be? |
| A. | 1.2 mm |
| B. | 1.4 mm |
| C. | 1.6 mm |
| D. | 1.8 mm |
| Answer» D. 1.8 mm | |
| 7. |
Multi frequency testing allows to overcome problems in eddy current testing? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The signal display of eddy current system does not take place on which of the following media? |
| A. | Oscilloscope |
| B. | Oscillograph |
| C. | Electric tape |
| D. | Magnetic tape |
| Answer» D. Magnetic tape | |
| 9. |
What is the heat generated in eddy current operations? |
| A. | VI |
| B. | VIR |
| C. | I<sup>2</sup>RT |
| D. | I<sup>2</sup>R |
| Answer» E. | |
| 10. |
Small drilled hole was a reference calibration in eddy current testing because it was produced in precise sizes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Eddy current inspection method cannot be detect which of the following defect? |
| A. | Laps |
| B. | Seams |
| C. | Voids |
| D. | Surface crack |
| Answer» E. | |
| 12. |
Eddy currents are not used for the measure of which of the following properties? |
| A. | Electrical conductivity |
| B. | Magnetic resistivity |
| C. | Hardness |
| D. | Grain size |
| Answer» C. Hardness | |
| 13. |
Eddy current testing does not work below what thickness of materials? |
| A. | 0.1 mm |
| B. | 0.2 mm |
| C. | 0.3 mm |
| D. | 0.4 mm |
| Answer» B. 0.2 mm | |