soalan teori etn 502
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8/18/2019 Soalan Teori Etn 502
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ETN 502 ©2014 Hak Cipta Kerajaan Malaysia [Lihat halaman sebelah]
TERHAD
TERHAD
NO. KAD PENGENALAN
ANGKA GILIRAN
KOLEJ VOKASIONAL MALAYSIA
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
KEMENTERIAN PENDIDIKAN MALAYSIA
DIPLOMA VOKASIONAL MALAYSIA (TEKNOLOGI ELEKTRONIK)
CONTROL SYSTEM 1 ETN 502
SEMESTER 5/2014
PENTAKSIRAN AKHIR TEORI
2 Jam
ARAHAN PENTAKSIRAN1 Tulis nombor kad pengenalan dan angka giliran anda pada petak yang disediakan.
2 Tunjukkan kad pengenalan anda untuk disemak oleh Pengawas Peperiksaan/Pentaksir.
3 Anda perlu berpakaian sesuai mengikut peraturan yang ditetapkan oleh kolej.
4 Baca arahan soalan dengan teliti. Rujuk kepada Pengawas Peperiksaan / Pentaksir
sekiranya terdapat sebarang kekeliruan.
5 Anda tidak dibenarkan berbincang atau berhubung dengan calon lain semasa
peperiksaan.
6 Anda dikehendaki menjawab dalam ruang jawapan yang disediakan pada kertas soalan
ini. Anda boleh meminta kertas jawapan tambahan sekiranya ruang yang disediakan
tidak mencukupi.
7 Jawapan anda hendaklah dihantar bersama dengan kertas soalan ini.
Kertas soalan ini mengandungi 9 halaman bercetak.
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ETN 502 ©2014 Hak Cipta Kerajaan Malaysia [Lihat halaman sebelah]
TERHAD
JAWAB SEMUA SOALAN
1. Rajah 1 menunjukkan kabel pendawaian elektrik.
a) Berdasarkan rajah 1, terangkan fungsi:
i. Pelindung mekanikal
ii. Pengalir
iii. Penebat (3 markah)
b) Senaraikan tiga jenis pengalir yang biasa digunakan dalam kabel pendawaian.
( 3 markah )
c) Nyatakan tiga faktor pemilihan kabel untuk membuat sesuatu pendawaian.
( 3 markah )
d) 7/1.04mm adalah satu contoh spesifikasi dalam pemilihan kabel pendawaian elektrik.
Nyatakan maksud yang diwakili oleh 7 dan 1.04mm.
( 2 markah )
Rajah 2
e) Rajah 2 menunjukkan satu sistem pendawaian di rumah.
Nyatakan saiz kabel V dan W yang sesuai untuk membuat pendawaian tersebut.(2 markah)
Rajah 1
Pengalir
Pelindung mekanikal
Penebat
KFA
Litar Pemanas
Air/ Litar Kuasa
Litar Lampu
V
W
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ETN 502 ©2014 Hak Cipta Kerajaan Malaysia [Lihat halaman sebelah]
TERHAD
2. Rajah 3 menunjukkan sejenis terminal yang digunakan dalam penyambungan kabel LAN
( Local Area Network).
Berdasarkah Rajah 3,
a) Namakan terminal tersebut. ( 1 markah )
b) Nyatakan jenis kabel yang sesuai dipasang pada terminal tersebut dan terangkankegunaan kabel tersebut. ( 3 markah )
c) Berdasarkan pengalaman anda, jelaskan secara ringkas langkah bagi pemasangankomponen tersebut . ( 5 markah )
d) Kabel gentian optik dan kabel coxial juga tergolong dalam kabel LAN. Nyatakan 3kelebihan kabel gentian optik berbanding kabel coxial. ( 3 markah )
Rajah 3
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ETN 502 ©2014 Hak Cipta Kerajaan Malaysia [Lihat halaman sebelah]
TERHAD
3. Televisyen adalah salah satu contoh VDU ( Visual Display Unit ).
a) Nyatakan 3 jenis televisyen yang digunakan secara meluas pada masa kini
( 3 markah )
b) Rajah 4 menunjukkan struktur lapisan LCD TV.
i. Namakan lapisan 1, 3, 5,dan 6 berserta fungsinya. ( 8 markah )
ii. Perbezaan antara tv LED dan LCD adalah pada `backlight ’ yang digunakan.
Nyatakan ‘backlight ’ bagi tv LED dan LCD tersebut.
( 2 markah )
Lapisan TFT
Lapisan ITO
Rajah 4
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ETN 502 ©2014 Hak Cipta Kerajaan Malaysia [Lihat halaman sebelah]
TERHAD
4. Rajah 5 menunjukkan litar paparan 7 ruas.
Rajah 5
Apabila litar dihidupkan, didapati ruas a tidak menyala.
a) Nyatakan komponen yang dijangka rosak. ( 1 markah )
b) Namakan DUA alat ujian yang digunakan untuk mengesan kerosakan.
( 2 markah )
c) Terangkan langkah - langkah mengesan kerosakan ( 7 markah )
d) Senaraikan langkah keselamatan yang perlu diambil semasa mengendalikan IC.
( 2 markah )
R1R2
R3
R4
R5
R6
R7
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ETN 502 ©2014 Hak Cipta Kerajaan Malaysia [Lihat halaman sebelah]
TERHAD
Ruang Jawapan
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TERHAD
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ETN 502 ©2014 Hak Cipta Kerajaan Malaysia [Lihat halaman sebelah]
TERHAD
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