MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Building Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
______________ of sound is affected by frequency of sound. |
| A. | Loudness |
| B. | Intensity |
| C. | Pitch |
| D. | Note |
| Answer» C. Pitch | |
| 2. |
The range of audible sound too painful noise varies from ________ decibel.a)1000000 to 1 |
| A. | 1 to 1000000 |
| B. | 10000 to 10000000 |
| C. | 1 to 130 |
| Answer» C. 1 to 130 | |
| 3. |
The speed of sound is taken as __________ |
| A. | 340 m/s |
| B. | 3.40 m/s |
| C. | 3400 m/s |
| D. | 0.34 m/s |
| Answer» B. 3.40 m/s | |
| 4. |
According to International agreement, the frequency is measured in ________ |
| A. | Meters |
| B. | Watts |
| C. | Hertz |
| D. | Tesla |
| Answer» D. Tesla | |
| 5. |
The ________________ is the degree of sensation. |
| A. | Hearing |
| B. | Frequency |
| C. | Loudness |
| D. | Intensity |
| Answer» D. Intensity | |
| 6. |
For atmospheric air medium, the sound velocity at 20 C is about ________ |
| A. | 340 |
| B. | 1305 |
| C. | 338 |
| D. | 2600 |
| Answer» B. 1305 | |
| 7. |
The word Acoustic is originally derived from a Greek word meaning _________ |
| A. | to write |
| B. | to speak |
| C. | to hear |
| D. | to absorb |
| Answer» D. to absorb | |