Question
41
Off-centering tampilan radar bermanfaat untuk...
Off-centering the radar display is useful for...
Options
a
Memperluas pandangan ke arah depan atau sektor tertentu
Extending the view ahead or in a selected sector
b
Meningkatkan daya pancar radar
Increasing transmitter power
c
Mengurangi kesalahan gyro secara otomatis
Reducing gyro error automatically
d
Mengubah true motion menjadi relative motion
Changing true motion to relative motion
Grade
Medium
Last Update
05 Jul 2026 10:11
By Yan
Question
42
Echo trails pada radar membantu perwira jaga untuk...
Echo trails on radar help the officer of the watch to...
Options
a
Melihat jejak gerak target dari waktu ke waktu
See the track of target movement over time
b
Menghitung sarat kapal target
Calculate the target ship’s draught
c
Mengetahui jenis muatan target
Determine the type of cargo on the target
d
Menentukan posisi bintang untuk astronomi
Determine the position of stars for astronomy
Grade
Easy
Last Update
05 Jul 2026 10:12
By Yan
Question
43
Orientasi north-up berarti...
North-up orientation means...
Options
a
Utara sejati berada tetap di atas layar
True north remains fixed at the top of the screen
b
Haluan kapal sendiri selalu di atas layar
Own ship’s heading is always at the top of the screen
c
Haluan pelayaran kapal sendiri selalu di atas layar
Own ship’s course is always at the top of the screen
d
Buritan kapal sendiri selalu di bawah layar
Own ship’s stern is always at the bottom of the screen
Grade
Hard
Last Update
05 Jul 2026 10:13
By Yan
Question
44
Orientasi course-up berarti...
Course-up orientation means...
Options
a
Haluan pelayaran yang dipilih berada di atas layar
The selected course is at the top of the screen
b
Utara sejati selalu di atas layar
True north is always at the top of the screen
c
Haluan magnetik selalu di kiri layar
Magnetic heading is always on the left side of the screen
d
Arah angin tampak selalu di atas layar
The wind direction always appears at the top of the screen
Grade
Hard
Last Update
05 Jul 2026 10:14
By Yan
Question
45
Bearing resolution adalah...
Bearing resolution is...
Options
a
Kemampuan radar membedakan dua target yang berdekatan dalam baringan
The ability of radar to distinguish two targets close together in bearing
b
Kemampuan radar membedakan dua target yang berdekatan dalam jarak
The ability of radar to distinguish two targets close together in range
c
Ketelitian radar membaca kedalaman laut
The accuracy of radar in reading water depth
d
Kemampuan radar menerima sinyal AIS
The ability of radar to receive AIS signals
Grade
Hard
Last Update
06 Jul 2026 10:22
By Yan
Question
46
Pulse repetition frequency adalah...
Pulse repetition frequency is...
Options
a
Frekuensi pengulangan pulsa radar
The frequency at which radar pulses are repeated
b
Lebar pancaran antena radar
The width of the radar beam
c
Panjang gelombang radar
The radar wavelength
d
Kecepatan putar antena radar
The antenna rotation speed
Grade
Easy
Last Update
06 Jul 2026 10:24
By Yan
Question
47
Doppler shift pada radar adalah...
Doppler shift on radar is...
Options
a
Perubahan frekuensi echo akibat gerak relatif target
The change in echo frequency due to the relative motion of a target
b
Perubahan panjang kapal target pada layar
The change in the target ship’s length on the screen
c
Perubahan warna echo akibat hujan
The change in echo color caused by rain
d
Perubahan heading marker saat kapal berbelok
The change in the heading marker when the ship alters course
Grade
Medium
Last Update
06 Jul 2026 10:26
By Yan
Question
48
Echo dari hujan, awan, atau presipitasi pada tampilan radar dikenal sebagai...
Echoes from rain, clouds, or precipitation on the radar display are known as...
Options
a
Rain clutter
Rain clutter
b
Main bang
Main bang
c
Shadow sector
Shadow sector
d
Side lobe echo
Side lobe echo
Grade
Easy
Last Update
06 Jul 2026 10:27
By Yan
Question
49
Sea clutter terutama berasal dari...
Sea clutter mainly comes from...
Options
a
Pantulan gelombang laut di sekitar kapal sendiri
Reflections from sea waves around own ship
b
Pantulan awan cumulonimbus
Reflections from cumulonimbus clouds
c
Gangguan dari pemancar radio MF/HF
Interference from MF/HF radio transmitters
d
Kesalahan input gyrocompass
Errors in gyrocompass input
Grade
Easy
Last Update
06 Jul 2026 10:29
By Yan
Question
50
Side lobe echoes terjadi karena...
Side lobe echoes occur because...
Options
a
Adanya pancaran samping antena yang memantul dari target kuat
Side emissions from the antenna are reflected from a strong target
b
Target bergerak terlalu cepat
The target is moving too fast
c
Antena berhenti berputar sesaat
The antenna stops rotating momentarily
d
Kapal sendiri mengalami trim berlebih
Own ship has excessive trim
Grade
Medium
Last Update
06 Jul 2026 10:30
By Yan