SUB SWITCH BOARD
Quiz
•
Other, Instructional Technology
•
Professional Development
•
Hard
Yusnezawati Azizan
Used 11+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Keterangan dibawah adalah skim perlindungan yang
perlu diadakan untuk sesuatu pepasangan sebuah
sub papan suis kecuali
Perlindungan arus rosak ke bumi (Earth Fault protection)
Perlindungan penurunan voltan (Under Voltage)
Perlindungan pembezalayanan jarak (Distance)
Perlindungan arus lampau (Over current)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pilih keterangan pengujian pusingan fasa (phase rotation test) yang betul pada bas-bar sub papan suis voltan rendah
R-Y-B, Y-R-B, B-Y-R
R-Y-B, B-R-Y, B-Y-R
R-B-Y, Y-R-B, B-Y-R
R-Y-B, Y-B-R, B-R-Y
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pilih alat-alat kawalan utama keselamatan yang terdapat pada sub papan suis.
I Alat suis.
II Pemutus litar
III Alat perlindungan arus lebih
IV Alat perlindung arus bocor dan rosak kebumi
I, & III
I, II & III
II, III & IV
I, II, III & IV
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Alat perlindungan pelantik automatik yang biasa dipasang pada ‘Moulded Case Circuit Breaker’ (MCCB) ialah:-
I Geganti arus lebih (O/C Relay)
II Geganti kerosakan Bumi (E/F Relay)
III Thermal & Magnetic tripping
IV Megnatic-hydraulic tripping
I, & III
I, II & III
II, III & IV
I, II, III & IV
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sesebuah papan suis utama voltan rendah akan dilengkapi dengan :-
i. lampu penunjuk
ii. jangka arus
iii. alatubah arus
iv. jangka volt
i sahaja
i dan ii sahaja
ii, iii dan iv sahaja
semua di atas
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pemutus Litar Udara (ACB) biasanya mendapat bekalan masukan dari :-
ACB yang lain
Step Up transformer
Step down transformer
Current transformer (alatubah arus)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebuah alatubah arus tercatat nilai 15VA. Apakah yang dimaksudkan dengan nilai tersebut ?
nilai rintangan alatubah arus
nilai kuasa bagi alatubah arus
nilai galangan bagi alatubah arus
nilai beban tanggungan bagi alatubah arus
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