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MANAGE QUESTION

Function 1 : Navigation At The Operational Level
1.4 Use of radar and ARPA to maintain safety of navigation
All Assessed Unassessed

ARPA (Soal untuk post-test) - Question List

100 Questions   : 0easy 2medium 1hard 97nope
Question
71
Bagaimana ARPA menentukan "Closing Speed" antara kapal dan objek lainnya?
How does ARPA determine “Closing Speed” between own ship and another object?
Options
a
Dengan mengukur jarak dan kecepatan relatif
By measuring range change and relative speed
b
Dengan menganalisis tinggi gelombang laut
By analyzing wave height
c
Dengan mengukur suhu udara
By measuring air temperature
d
Dengan mengukur tingkat kebisingan di sekitar kapal
By measuring surrounding noise level
Grade
Ungraded
Last Update
-
By -
Question
72
Apa yang dimaksud dengan "Target Prediction" dalam pelacakan ARPA?
What is meant by “Target Prediction” in ARPA tracking?
Options
a
Ramalan posisi objek di masa depan berdasarkan data sebelumnya
Prediction of a target’s future position based on previous data
b
Ramalan tinggi gelombang laut
Prediction of wave height
c
Ramalan cuaca di sekitar kapal
Prediction of surrounding weather only
d
Ramalan kecepatan angin
Prediction of wind speed only
Grade
Ungraded
Last Update
-
By -
Question
73
Bagaimana ARPA menghitung "Time to Closest Point of Approach" (TCPA)?
How does ARPA calculate “Time to Closest Point of Approach” (TCPA)?
Options
a
Dengan memperkirakan waktu tempuh kapal ke objek terdekat
By using relative motion data to estimate the time remaining until CPA
b
Dengan menganalisis objek radar yang paling dekat
By selecting the nearest target only
c
Dengan mengukur suhu air laut
By measuring sea-water temperature
d
Dengan mengukur tekanan atmosfer di sekitar kapal
By measuring air pressure around the ship
Grade
Ungraded
Last Update
-
By -
Question
74
Apa yang dimaksud dengan "Lost Target Recovery" dalam pelacakan ARPA?
What is meant by “Lost Target Recovery” in ARPA tracking?
Options
a
Proses mencari kembali target yang terdeteksi setelah kehilangan sinyal
The process of trying to re-establish tracking of a target after signal loss
b
Proses menyembunyikan target dari layar
The process of hiding a target from the display
c
Proses meningkatkan sensitivitas radar
The process of increasing radar sensitivity permanently
d
Proses menghitung tinggi gelombang laut
The process of calculating wave height
Grade
Ungraded
Last Update
-
By -
Question
75
Apa yang menjadi dasar pengukuran "True Trail" dalam ARPA?
What is the basis of “True Trail” in ARPA?
Options
a
Kecepatan objek radar
The true motion of the radar target over the earth’s surface
b
Kecepatan angin
Wind speed only
c
Kecepatan kapal
Own ship’s engine speed only
d
Kedalaman laut
Sea depth only
Grade
Ungraded
Last Update
-
By -
Question
76
Bagaimana ARPA menghitung "Course Over Ground" (COG)?
How does ARPA calculate “Course Over Ground” (COG)?
Options
a
Dengan membandingkan posisi kapal pada dua waktu yang berbeda
By comparing the ship’s position at two different times
b
Dengan mengukur tekanan atmosfer
By measuring atmospheric pressure
c
Dengan menganalisis warna objek radar
By analyzing target color
d
Dengan mengukur tinggi gelombang laut
By measuring wave height
Grade
Ungraded
Last Update
-
By -
Question
77
Apa yang dimaksud dengan "Acceleration Filter" dalam konteks pelacakan ARPA?
What is meant by “Acceleration Filter” in ARPA tracking?
Options
a
Proses untuk memfilter kecepatan objek yang berubah secara mendadak
A process that filters sudden changes in target speed or movement
b
Proses mengukur percepatan sudut kapal
A process that measures the ship’s angular acceleration only
c
Proses untuk meningkatkan kecepatan kapal secara tiba-tiba
A process that suddenly increases ship speed
d
Proses mengukur percepatan angin di sekitar kapal
A process that measures wind acceleration only
Grade
Ungraded
Last Update
-
By -
Question
78
Apa yang dimaksud dengan "Jendela Pelacakan" (Tracking Window) dalam ARPA?
What is meant by the “Tracking Window” in ARPA?
Options
a
Area di layar radar yang digunakan untuk melacak objek-objek
An area on the radar display used to track targets
b
Pemantauan area navigasi kapal
A general navigation area outside the radar
c
Pemantauan kondisi cuaca di sekitar kapal
A weather-monitoring area only
d
Pencarian objek radar yang hilang
A search area for lost cargo only
Grade
Ungraded
Last Update
-
By -
Question
79
Apa fungsi utama dari Jendela Pelacakan dalam ARPA?
What is the main function of the Tracking Window in ARPA?
Options
a
Menampilkan plotting dan informasi objek radar
To display target plots and related target information
b
Menyajikan informasi cuaca laut
To present sea-weather information only
c
Meningkatkan sensitivitas radar
To increase radar sensitivity
d
Menyajikan informasi tinggi gelombang laut
To present wave-height information
Grade
Ungraded
Last Update
-
By -
Question
80
Bagaimana Jendela Pelacakan dapat membantu operator ARPA?
How can the Tracking Window help the ARPA operator?
Options
a
Dengan memberikan fokus pada objek yang terdeteksi
By focusing attention on tracked targets
b
Dengan memberikan informasi tinggi gelombang laut
By showing sea-depth information
c
Dengan memprediksi perubahan arah angin
By predicting wind direction changes
d
Dengan mengukur suhu air laut di sekitar kapal
By measuring sea-water temperature
Grade
Ungraded
Last Update
-
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