Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is noise pollution?
💡 Hint: Think about what sounds you find bothersome.
Question 2
Easy
What unit is used to measure sound?
💡 Hint: Related to what you hear on a loud speaker.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What decibel level is considered noise pollution?
- 50 dB
- 65 dB
- 75 dB
💡 Hint: Remember the threshold mentioned in our definition.
Question 2
True or False: Vibration isolation can help reduce noise.
- True
- False
💡 Hint: Think about machinery and its impact on the surrounding space.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a comprehensive noise reduction plan for a construction site that includes methods for controlling noise at the source, along the path, and at the receiver.
💡 Hint: Consider all stages of noise control.
Question 2
Analyze the effectiveness of sound-absorbing materials in urban residential buildings. How might these materials impact the living conditions of inhabitants?
💡 Hint: Think about the types of noise found in urban areas.
Challenge and get performance evaluation