UAS Akustik 2023
Quiz
•
Physics
•
University
•
Medium
Hendrik Anggi Setyawan
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24 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Tipe sonar yg mentransmisikan sinyal akustik dan mendeteksi pantulan dari objek disebut ....
Active
Passive
Over active
Over protective
2.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Sistem sonar yg mentransmisi sinyal akustik secara vertikal disebut ....
Sonar
Echo-sounder
Fish finder
Current meter
3.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Indikator sonar yang baik adalah sebagai berikut, kecuali ....
Sensitive receiver
Low power transmitter
High resolution/contrast display
Efficient transducer
4.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Jarak yang ditampilkan pada layar sonar dihitung berdasarkan ....
Kecepatan yg diperlukan sinyal ygdikirimkan dan dipantulkan
Kekuatan yg diperlukan sinyal ygdikirimkan dan dipantulkan
Gema yang diperlukan sinyal yang dikirimkan dan dipantulkan
Waktu yang diperlukan sinyal yang dikirimkan dan dipantulkan
5.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Terdapat dua jenis transducer. Keunggulan dari magnetostrictive transducer adalah ...
Biayanya murah
Memiliki faktor efisiensi yang lebih tinggi
Tidak menurun seiring waktu
Mudah didapatkan
6.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Frekuensi yang sebaiknya digunakan pada sonar untuk perairan yang lebih dalam adalah ....
32 or 50 kHz
102 or 150 kHz
152 or 200 kHz
200 or 400 kHz
7.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Frekuensi yang sebaiknya digunakan pada sonar untuk perairan yang dangkal adalah ....
32 or 50 kHz
102 or 150 kHz
152 or 200 kHz
200 or 400 kHz
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