Quiz tentang Echosounder

Quiz
•
Other
•
3rd Grade
•
Medium
tri kis
Used 3+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi utama dari echosounder pada kapal?
Mengukur kecepatan kapal
Mengukur kedalaman air di bawah kapal
Menentukan arah kapal
Menghitung posisi GPS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Echosounder bekerja berdasarkan prinsip:
Pemantulan cahaya
Transmisi sinar laser
Gelombang suara yang dipantulkan
Deteksi inframerah
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana echosounder menentukan kedalaman?
Dengan mengukur waktu yang dibutuhkan gelombang suara untuk memantul dari dasar laut
Dengan menghitung jarak GPS
Dengan mengukur perubahan suhu air
Dengan menghitung kecepatan kapal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa satuan yang biasa digunakan untuk mengukur kedalaman air menggunakan echosounder?
Meter
Knot
Nautical miles
Feet per second
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gelombang suara yang digunakan oleh echosounder biasanya adalah:
Gelombang mikro
Ultrasonik
Infrasonik
Cahaya tampak
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Echosounder bekerja lebih baik di:
Air yang dalam
Air yang dangkal
Air yang kotor
Air yang jernih
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Echosounder modern sering menggunakan frekuensi berapa untuk pengukuran kedalaman?
100 Hz
1 kHz
50 kHz - 200 kHz
10 MHz
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