Question
61
Jenis saklar yang memiliki dua posisi ON dan OFF disebut ....
A switch with two stable positions, ON and OFF, is called a...
Options
a
Toggle Switch
Toggle switch
b
Push Button
Push button
c
Reed Switch
Reed switch
d
Rotary Encoder
Rotary encoder
Grade
Ungraded
Last Update
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Question
62
Manfaat saklar darurat (Emergency Stop Switch) adalah ....
The purpose of an Emergency Stop Switch is to...
Options
a
Menghentikan peralatan dengan cepat saat keadaan darurat
Stop equipment quickly during an emergency
b
Menambah daya motor
Increase motor power
c
Menurunkan tekanan oli
Reduce lubricating oil pressure
d
Menambah putaran pompa
Increase pump speed
Grade
Ungraded
Last Update
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Question
63
Pada panel distribusi kapal, saklar digunakan untuk ....
On a shipboard distribution panel, a switch is used to...
Options
a
Mengatur aliran listrik ke beban
Control the supply of electrical power to a load
b
Menghasilkan tegangan
Generate voltage
c
Menurunkan hambatan
Reduce resistance
d
Mengubah frekuensi
Change frequency
Grade
Ungraded
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Question
64
Thyristor adalah komponen yang digunakan untuk ....
A thyristor is a semiconductor device used to...
Options
a
Mengendalikan daya listrik
Control electrical power
b
Menyimpan energi
Store energy
c
Menghasilkan listrik
Generate electricity
d
Mengukur arus
Measure current
Grade
Ungraded
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Question
65
Nama lain dari thyristor adalah ....
Another common name for a thyristor is...
Options
a
SCR
SCR
b
MOSFET
MOSFET
c
Relay
Relay
d
BJT
BJT
Grade
Ungraded
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Question
66
Thyristor mulai menghantar ketika ....
A thyristor starts conducting when...
Options
a
Gate diberi sinyal pemicu
A trigger signal is applied to the Gate
b
Suhu naik
Temperature rises
c
Hambatan turun
Resistance decreases
d
Kapasitor penuh
A capacitor is fully charged
Grade
Ungraded
Last Update
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Question
67
Setelah aktif, SCR tetap menghantar selama ....
Once triggered, an SCR continues conducting as long as...
Options
a
Arus masih di atas Holding Current
The current remains above the holding current
b
Tegangan nol
The voltage is zero
c
Saklar OFF
The mechanical switch is OFF
d
Gate dilepas
The Gate signal is removed
Grade
Ungraded
Last Update
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Question
68
Fungsi gate pada thyristor adalah ....
The function of the Gate terminal on a thyristor is to...
Options
a
Memberikan sinyal pemicu
Provide the trigger signal
b
Menyimpan energi
Store energy
c
Pendingin
Provide cooling
d
Menyearahkan arus
Rectify current
Grade
Ungraded
Last Update
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Question
69
SCR sering digunakan pada ....
SCRs are commonly used in...
Options
a
Pengatur kecepatan motor
Motor speed-control systems
b
Tangki ballast
Ballast tanks
c
Heat exchanger
Heat exchangers
d
Pompa sentrifugal
Centrifugal pumps
Grade
Ungraded
Last Update
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Question
70
SCR akan berhenti menghantar apabila ....
An SCR stops conducting when...
Options
a
Arus turun di bawah Holding Current
The current falls below the holding current
b
Gate diberi sinyal
A Gate signal is applied
c
Tegangan naik
The voltage increases
d
Frekuensi naik
The frequency increases
Grade
Ungraded
Last Update
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