MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Building Materials Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The range of audible sound too painful noise varies from ________ decibel. |
| A. | a)1000000 to 1 |
| B. | 1 to 1000000 |
| C. | 10000 to 10000000 |
| D. | 1 to 130 |
| Answer» C. 10000 to 10000000 | |
| 2. |
The ________________ is defined as the number of pressure variation which a sounding body makes in each unit of time. |
| A. | Note |
| B. | Pitch |
| C. | Wavelength |
| D. | Intensity |
| Answer» C. Wavelength | |
| 3. |
For atmospheric air medium, the sound velocity at 20°C is about ________ |
| A. | 340 |
| B. | 1305 |
| C. | 338 |
| D. | 2600 |
| Answer» B. 1305 | |