Question
161
Fungsi utama hydraulic deck crane adalah ....
The main function of a hydraulic deck crane is ....
Options
a
Mengangkat, menurunkan, mengayun, atau meluffing beban muatan
To lift, lower, slew, or luff cargo loads
b
Menghasilkan listrik untuk lampu geladak
To generate electricity for deck lighting
c
Menjaga trim kapal saat bongkar muat
To maintain trim during cargo operations
d
Menyaring air ballast sebelum masuk tangki
To filter ballast water before entering the tank
Grade
Ungraded
Last Update
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Question
162
Komponen yang memberikan gerakan linier untuk proses luffing pada deck crane adalah ....
The component that provides linear motion for the luffing process on a deck crane is ....
Options
a
Hydraulic cylinder
Hydraulic cylinder
b
Pressure gauge
Pressure gauge
c
Filter element
Filter element
d
Charge pump
Charge pump
Grade
Ungraded
Last Update
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Question
163
Motor hidrolik pada sistem slewing crane berfungsi untuk ....
The hydraulic motor in the slewing system of a crane functions to ....
Options
a
Memutar rumah crane atau bagian putarnya
Rotate the crane house or revolving part
b
Menaikkan tekanan di dalam reservoir
Increase pressure inside the reservoir
c
Menurunkan suhu oli saat crane bekerja
Reduce oil temperature while the crane is operating
d
Menahan beban secara permanen tanpa rem
Hold the load permanently without brakes
Grade
Ungraded
Last Update
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Question
164
Salah satu penyebab boom deck crane turun perlahan ketika kontrol netral adalah ....
One cause of a deck crane boom slowly lowering when the control is in neutral is ....
Options
a
Kebocoran internal pada silinder atau katup pengendali
Internal leakage in the cylinder or control valve
b
Tekanan angin di atas geladak terlalu rendah
Wind pressure on deck is too low
c
Level air laut di sekitar kapal berubah
Sea level around the ship has changed
d
Lampu indikator crane terlalu terang
The crane indicator light is too bright
Grade
Ungraded
Last Update
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Question
165
Sebelum deck crane digunakan untuk operasi muat, yang harus diperiksa adalah ....
Before a deck crane is used for cargo operations, the following must be checked ....
Options
a
Kondisi hose, tekanan kerja, rem, dan batas SWL
Condition of hoses, working pressure, brakes, and SWL limits
b
Warna cat boom sesuai rencana muat
Whether the boom paint color matches the cargo plan
c
Suhu udara luar lebih rendah dari suhu tangki
Whether outside air temperature is lower than tank temperature
d
Jumlah awak jaga di anjungan genap
Whether the number of watchkeepers on the bridge is even
Grade
Ungraded
Last Update
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Question
166
Yang dimaksud dengan hydraulic power pack adalah ....
What is meant by a hydraulic power pack?
Options
a
Satu unit tenaga yang berisi pompa, penggerak, tangki, dan katup
A power unit consisting of a pump, drive, tank, and valves
b
Katup pengarah yang dipasang dekat silinder
A directional valve installed near the cylinder
c
Seluruh jaringan pipa yang ada di geladak
The entire pipe network on deck
d
Alat ukur sudut boom dan radius kerja
A measuring instrument for boom angle and working radius
Grade
Ungraded
Last Update
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By -
Question
167
Jika filter pada sistem crane tersumbat, dampak yang umum terjadi adalah ....
If the filter in a crane system becomes clogged, the usual effect is ....
Options
a
Aliran terhambat dan respons gerakan crane menjadi lambat
Flow is restricted and crane response becomes slow
b
Tekanan sistem selalu naik tanpa batas
System pressure always rises without limit
c
Boom crane bertambah panjang
The crane boom becomes longer
d
Motor crane berputar tanpa memerlukan fluida
The crane motor rotates without requiring fluid
Grade
Ungraded
Last Update
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Question
168
Fungsi tombol emergency stop pada crane adalah ....
The function of the emergency stop button on a crane is ....
Options
a
Menghentikan gerakan crane secepat dan seaman mungkin
To stop crane movement as quickly and safely as possible
b
Menaikkan beban secara otomatis ke titik tertinggi
To raise the load automatically to the highest point
c
Mengunci semua katup pada posisi buka
To lock all valves in the open position
d
Mengaktifkan pompa cadangan tanpa syarat
To activate the standby pump unconditionally
Grade
Ungraded
Last Update
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Question
169
Uji rem winch sebelum operasi bongkar muat bertujuan untuk ....
The purpose of testing the winch brake before cargo operations is to ....
Options
a
Memastikan beban dapat ditahan saat gerakan dihentikan
Ensure the load can be held when movement is stopped
b
Membuat oli lebih cepat panas
Make the oil heat up faster
c
Mengurangi kapasitas angkat crane
Reduce the crane’s lifting capacity
d
Mengganti fungsi katup pengarah
Replace the function of the directional valve
Grade
Ungraded
Last Update
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Question
170
Fungsi sistem hidrolik pada hatch cover adalah ....
The function of the hydraulic system on a hatch cover is ....
Options
a
Membuka dan menutup penutup palka dengan tenaga fluida
To open and close the hatch cover by fluid power
b
Mendinginkan muatan di dalam palka
To cool the cargo inside the hold
c
Mengukur sarat kapal saat pemuatan
To measure the ship’s draft during loading
d
Menyalurkan air laut ke palka kosong
To transfer seawater into an empty hold
Grade
Ungraded
Last Update
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