ENGG 0001.1: Fundamentals of Acoustics and Identify the Acoustically Good Buildings - Engineering Assignment Help

Assignment Task:

Module Learning Outcomes
The following LOs are achieved by the student by completing the assignment successfully
1) List the fundamentals of acoustics and identify the acoustically good buildings
2) List the properties of ultrasonic waves and summarize its applications in engineering
3) Demonstrate understanding of the mechanical properties of solids and liquids
4) Explain the basics of heat and thermodynamics (Only Heat will be covered)

Assignment Objective
To assess learning emphasized on basic concepts of physics, problem solving skills and the ability to apply this knowledge in Engineering.
 

Assignment Tasks
Task 1 (20 Marks)
a. A speaker has sound power (8+ R) watts. Assuming that sound spreads evenly into a spherical shape, calculate the sound intensity(I) at 10 meters distance and also express that in intensity level (β) (in dB). Consider the standard intensity level (I0) as 1 × 10−12watt/m2

b. Explain why ultrasound could not moves fast and long distance in air medium?

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