Question
61
Main bang pada layar radar adalah...
Main bang on the radar screen is...
Options
a
Gangguan terang di pusat layar saat pulsa dipancarkan
A bright disturbance at the center of the screen when the pulse is transmitted
b
Echo dari target kecil di jarak jauh
An echo from a small target at long range
c
Jejak target yang bergerak cepat
The trail of a fast-moving target
d
Alarm dari guard zone
An alarm from the guard zone
Grade
Hard
Last Update
06 Jul 2026 13:15
By Yan
Question
62
Sebelum radar digunakan penuh, magnetron umumnya memerlukan...
Before radar is fully used, the magnetron generally requires...
Options
a
Waktu pemanasan agar bekerja stabil
A warm-up period to operate stably
b
Kalibrasi terhadap kompas magnet
Calibration against the magnetic compass
c
Sinkronisasi dengan echo sounder
Synchronization with the echo sounder
d
Pendinginan total selama satu jam
Complete cooling for one hour
e
f
g
h
i
Grade
Easy
Last Update
06 Jul 2026 13:21
By Yan
Question
63
Input kecepatan kapal untuk ARPA umumnya berasal dari...
The ship’s speed input for ARPA generally comes from...
Options
a
Speed log atau sensor kecepatan yang terhubung
A speed log or connected speed sensor
b
Barometer digital
A digital barometer
c
Auto pilot
The autopilot
d
AIS target terdekat
The nearest AIS target
Grade
Easy
Last Update
06 Jul 2026 13:23
By Yan
Question
64
Bila input heading mengalami gangguan, akibat yang mungkin terlihat adalah...
If the heading input is disturbed, a possible effect is...
Options
a
Baringan sejati dan vektor target menjadi tidak andal
True bearings and target vectors become unreliable
b
Jarak target otomatis bertambah
Target range increases automatically
c
Sea clutter hilang seluruhnya
Sea clutter disappears completely
d
Pulsa radar berubah menjadi kontinu
Radar pulses become continuous
Grade
Medium
Last Update
06 Jul 2026 13:26
By Yan
Question
65
Bila input kecepatan kapal sendiri tidak akurat, maka...
If own ship’s speed input is inaccurate, then...
Options
a
Perhitungan true vector, CPA, dan TCPA dapat menjadi salah
The calculation of true vectors, CPA, and TCPA may be incorrect
b
Warna echo target berubah
The color of target echoes changes
c
Antena berhenti berputar
The antenna stops rotating
d
Range rings tidak tampil
The range rings do not appear
Grade
Medium
Last Update
06 Jul 2026 13:26
By Yan
Question
66
Sesuai prinsip pengamatan tabrakan, bila radar terpasang dan beroperasi maka perwira jaga harus...
In accordance with collision observation principles, if radar is fitted and operating, the officer of the watch must...
Options
a
Menggunakannya secara benar termasuk plotting atau pengamatan sistematis
Use it properly, including plotting or systematic observation
b
Mengandalkannya tanpa perlu pengamatan visual
Rely on it without visual observation
c
Menyalakannya hanya saat target terlihat
Turn it on only when a target is sighted
d
Mematikannya di perairan padat
Switch it off in congested waters
Grade
Medium
Last Update
06 Jul 2026 13:31
By Yan
Question
67
Keberadaan radar di kapal tidak menghapus kewajiban untuk...
The presence of radar on board does not remove the duty to...
Options
a
Menjaga kecepatan aman sesuai keadaan dan kondisi
Proceed at a safe speed according to the prevailing circumstances and conditions
b
Mencatat posisi setiap 24 jam
Record the ship’s position every 24 hours
c
Menggunakan jangkar saat hujan
Use the anchor in rain
d
Mengubah haluan setiap mendeteksi target
Alter course every time a target is detected
Grade
Medium
Last Update
06 Jul 2026 13:32
By Yan
Question
68
Pengamatan radar yang baik dilakukan dengan...
Good radar observation is carried out by...
Options
a
Penyapuan dan penilaian target secara sistematis serta berulang
Systematic and repeated scanning and assessment of targets
b
Melihat layar hanya saat alarm berbunyi
Looking at the screen only when the alarm sounds
c
Mengamati satu target saja sampai hilang
Observing only one target until it disappears
d
Memusatkan perhatian pada target terbesar
Focusing attention on the largest target
Grade
Easy
Last Update
06 Jul 2026 13:34
By Yan
Question
69
Dalam jarak pandang terbatas, jika radar menunjukkan target berada di depan lintang dan situasi terlalu dekat, tindakan yang harus dihindari adalah...
In restricted visibility, if radar shows a target forward of the beam and the situation is too close, the action to be avoided is...
Options
a
Mengubah haluan ke kiri terhadap target tersebut
Altering course to port for that target
b
Mengurangi kecepatan jika diperlukan
Reducing speed if necessary
c
Menggunakan radar secara sistematis
Using radar systematically
d
Bernavigasi dengan sangat hati-hati
Navigating with extreme caution
Grade
Hard
Last Update
06 Jul 2026 13:56
By Yan
Question
70
Dalam situasi jarak pandang terbatas dan diperlukan waktu untuk menilai keadaan, tindakan yang tepat adalah...
In restricted visibility, when time is needed to assess the situation, the proper action is to...
Options
a
Mengurangi kecepatan atau menghentikan laju kapal bila perlu
Reduce speed or take all way off if necessary
b
Menambah kecepatan agar cepat melewati situasi
Increase speed to pass the situation quickly
c
Mematikan radar agar layar lebih bersih
Switch off the radar for a clearer screen
d
Mengubah haluan besar ke kiri tanpa penilaian
Make a large alteration of course to port without assessment
Grade
Hard
Last Update
06 Jul 2026 13:58
By Yan