A.Absorb sound
B.Reflect sound
C.Create sound
Related Mcqs:
- Acoustical materials
- Porous materials generally
- A good selective surface utilizes materials that strongly
- Noise is _______________.
- Refractory metals are
- A concrete wall generally
- The phenomenon of materials in which slow extension of materials takes place with the time at constant load is known as
- Some engineering materials are made up of more than one phase, with different mechanical properties, such materials are known as
- Low clouds retard surface cooling at night better than clear skies because_____________?
- The damping capacity of a material is its capacity to
