MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Building Construction knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The absorption ratio of a surface is the ratio of ___________ |
| A. | Sound absorbed to reflected sound energy |
| B. | Sound absorbed to incident sound energy |
| C. | Reflected sound energy to incident sound energy |
| D. | Incident sound energy to reflected sound energy |
| Answer» C. Reflected sound energy to incident sound energy | |
| 2. |
Which of the following is not a property of good acoustic materials? |
| A. | They have a low coefficient of absorption |
| B. | They are comparatively cheap |
| C. | They are durable |
| D. | They are efficient over a wide frequency range |
| Answer» B. They are comparatively cheap | |
| 3. |
The branch of science which deals with origin and propagation of sound is called as ___________ |
| A. | Thermodynamics |
| B. | Acoustics |
| C. | Anemology |
| D. | Optics |
| Answer» C. Anemology | |
| 4. |
Colouring of sound quality is caused due to _________ |
| A. | Uncontrolled resonance |
| B. | Controlled resonance |
| C. | Unsuitable shape of halls |
| D. | Vehicles |
| Answer» B. Controlled resonance | |
| 5. |
Proper shape of the hall can help in preventing the formation of echoes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Sound intensity is high at dead spots while it is low at sound foci. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Sound foci is a defect caused by _____________ interior surfaces. |
| A. | Convex refracting |
| B. | Concave refracting |
| C. | Convex reflecting |
| D. | Concave reflecting |
| Answer» E. | |
| 8. |
The formation of echoes can take place when the reflecting surfaces are located at a distance greater than __________ |
| A. | 7 m |
| B. | 10 m |
| C. | 13 m |
| D. | 17 m |
| Answer» E. | |
| 9. |
Excessive reverberation is caused due to __________ |
| A. | Sufficient absorption |
| B. | Sufficient adsorption |
| C. | Insufficient absorption |
| D. | Insufficient adsorption |
| Answer» D. Insufficient adsorption | |
| 10. |
Which of the following is not an acoustical defect? |
| A. | Reverberation |
| B. | Formation of echoes |
| C. | Absorption |
| D. | Sound foci |
| Answer» D. Sound foci | |