

MCQOPTIONS
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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. | 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 | |