Question
2661
Bila aktuator hidrolik tidak mampu bergerak saat berbeban namun bergerak saat tanpa beban, penyebab yang paling mungkin adalah ...
If a hydraulic actuator cannot move under load but can move without load, the most likely cause is ...
Options
a
kopling pompa rusak sehingga pompa tidak mencapai putaran normal
a damaged pump coupling preventing the pump from reaching normal speed
b
kedua kumparan solenoid bekerja terlalu kuat
both solenoid coils are working too strongly
c
katup arah selalu berada di posisi tengah
the directional valve is always centered
d
motor penggerak mengalami overspeed
the driving motor is overspeeding
Grade
Ungraded
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Question
2662
Jika sudut perintah kemudi diperbesar, maka lamanya pompa tetap berada pada posisi stroke akan ...
If the helm angle command is increased, the length of time the pump remains on stroke will ...
Options
a
sebanding dengan besarnya perintah sudut kemudi
be proportional to the size of the helm angle command
b
selalu tetap sama untuk semua sudut
always remain the same for every angle
c
berkurang saat beban daun kemudi naik
decrease when the rudder load increases
d
tidak dipengaruhi oleh perintah kemudi
not be affected by the helm command
Grade
Ungraded
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Question
2663
Perangkat yang mencegah gerak rudder melampaui perintah dari anjungan adalah ...
The device that prevents rudder movement from exceeding the bridge command is the ...
Options
a
follow-up gear
follow-up gear
b
rudder angle indicator
rudder angle indicator
c
pump controller
pump controller
d
rudder limit block
rudder limit block
Grade
Ungraded
Last Update
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Question
2664
Respons pertama di ruang kemudi ketika roda kemudi di anjungan diputar adalah ...
The first response in the steering room when the steering wheel on the bridge is turned is ...
Options
a
synchronous receiver ikut berputar mengikuti gerak kemudi
the synchronous receiver rotates, following the helm movement
b
pompa langsung masuk ke full stroke
the pump immediately goes to full stroke
c
katup enam arah membuka penuh
the six-way valve opens fully
d
alarm beban lebih motor langsung aktif
the motor overload alarm activates at once
Grade
Ungraded
Last Update
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Question
2665
Respons kemudi yang terus-menerus tidak tepat sering menandakan ...
A continuously improper rudder response usually indicates ...
Options
a
adanya udara di dalam oli hidrolik
air in the hydraulic oil
b
poros baling-baling mengalami getaran
propeller shaft vibration
c
kompas gasing kehilangan sinkronisasi
gyrocompass desynchronization
d
sistem navigasi otomatis mati
failure of the automatic navigation system
Grade
Ungraded
Last Update
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Question
2666
Relief valve pada sistem kemudi dipasang untuk ...
Relief valves in a steering system are fitted to ...
Options
a
melindungi pipa dari kejutan beban pada daun kemudi
protect the piping from shock loads on the rudder
b
menjaga daun kemudi selalu di posisi tengah
keep the rudder always at midship
c
menambah tekanan kerja pompa utama
increase the working pressure of the pump
d
mengurangi beban motor kemudi saat cuaca baik
reduce the steering motor load in calm weather
Grade
Ungraded
Last Update
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Question
2667
Pada sistem kemudi elektro-hidrolik, kejutan pada daun kemudi dibatasi oleh ...
In an electro-hydraulic steering system, rudder shock is limited by ...
Options
a
relief valve
relief valves
b
return spring
return springs
c
differential gear
differential gear
d
hydraulic accumulator
hydraulic accumulator
Grade
Ungraded
Last Update
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Question
2668
Gerakan rudder agar tidak melebihi gerakan roda kemudi dijaga oleh ...
The movement of the rudder is prevented from exceeding the movement of the steering wheel by the ...
Options
a
follow-up gear
follow-up gear
b
return spring
return springs
c
katup enam arah
six-way valve
d
differential gear
differential gear
Grade
Ungraded
Last Update
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Question
2669
Saat steering gear sedang beroperasi, awak jaga harus ...
When the steering gear is in operation, the watchkeeper should ...
Options
a
memeriksa kebocoran oli berlebih pada ram
check for excessive oil leakage from the rams
b
menguras tangki oli setiap jam
drain the oil tank every hour
c
mendinginkan motor dengan air tawar
cool the motor with fresh water
d
mematikan alarm tekanan rendah
switch off the low-pressure alarm
Grade
Ungraded
Last Update
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Question
2670
Ketika sudut rudder yang diinginkan telah tercapai, yang bekerja menghentikan gerak lebih lanjut adalah ...
When the desired rudder angle has been reached, the component that stops further movement is the ...
Options
a
follow-up gear yang membuat pompa keluar dari stroke
follow-up gear, which takes the pump off stroke
b
katup pelepas yang mengosongkan seluruh sistem
relief valves, which empty the entire system
c
motor listrik yang langsung berhenti total
electric motor, which stops completely
d
indikator sudut kemudi yang mengunci poros
rudder angle indicator, which locks the shaft
Grade
Ungraded
Last Update
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