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 does an echo sounder measure?
💡 Hint: Think about instruments used for navigation.
Question 2
Easy
Name one type of sonar.
💡 Hint: Consider the technology that provides images of the underwater terrain.
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 technology is used by echo sounders to measure depth?
- Light pulses
- Sound pulses
- Radio waves
💡 Hint: Think about what travels well underwater.
Question 2
True or False: Multi-Beam Echo Sounders provide a single depth measurement.
- True
- False
💡 Hint: Consider the meaning of 'multi' in this context.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If an echo sounder sends out a pulse and it takes 3 seconds for the echo to return, what is the depth of the water (assuming the speed of sound in water is 1500 m/s)?
💡 Hint: Remember to divide by 2 since the sound has to travel to the bottom and back.
Question 2
How would choosing a Single Beam Echo Sounder over a Multi-Beam Echo Sounder affect your data collection during a survey?
💡 Hint: Think about the scanning coverage of each device.
Challenge and get performance evaluation