McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
Chapters
| 151. |
An advantage of a double versus a single emulsion film is: |
| A. | It is higher speed |
| B. | It is finer grained |
| C. | It is lower speed |
| D. | None of the above |
| Answer» A. It is higher speed | |
| 152. |
A radiograph is made using film X with an exposure of 10 mA-min. Film density in the area of interest is 1.0. If it is desired to achieve a density of 2.0 in the area of interest, what exposure is required? (Log relative exposure = 1.1 for a density of 1.0 and 1.62 for a density of 2.0) |
| A. | 41.67 mA-min |
| B. | 10 mA-min |
| C. | 12.6 mA-min |
| D. | 33.1 mA-min |
| Answer» D. 33.1 mA-min | |
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