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SULIT 3764/1

3764/1 © 2011 Hak Cipta Sekolah Berasrama Penuh [Lihat sebelah SULIT

NAMA : .................................................... Tingkatan : .............................. SULIT 3764/1 Teknologi Kejuruteraan Kertas 1 Mei 2011 1 ½ jam

BAHAGIAN PENGURUSAN

SEKOLAH BERASRAMA PENUH DAN SEKOLAH KECEMERLANGAN KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN PERTENGAHAN TAHUN TINGKATAN 5

2011

TEKNOLOGI KEJURUTERAAN

Kertas 1

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Kertas soalan ini mengandungi 29 halaman bercetak

1. Tuliskan nama dan tingkatan anda pada ruang yang disediakan

2. Kertas soalan ini mengandungi 30 soalan 3. Jawab semua soalan 4. Jawapan hendaklah ditulis pada ruang yang

disediakan dalam kertas soalan 5. Kertas soalan ini hendaklah diserahkan

pada akhir peperiksaan

Soalan Markah Penuh Markah Diperolehi

1 4 2 4 3 4 4 4 5 3 6 3 7 3 8 4 9 3 10 3 11 3 12 3 13 4 14 3 15 3 16 4 17 3 18 3 19 4 20 4 21 4 22 4 23 3 24 3 25 3 26 3 27 3 28 3 29 3 30 3

JUMLAH 100 /100

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SULIT 3764/1

3764/1© 2011 HakCiptaSekolahBerasramaPenuh [Lihatsebelah SULIT

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1. The following are elements in Engineering Technology.

Berikutadalahunsur-unsur di dalamTeknologiKejuruteraan. Match the statements below with the correct element by writing A, B, C, D or E in the

boxes provided. Padankankenyataan di bawahdengandenganunsur yang betuldenganmenulisA, B, C, DatauEpadakotak yang disediakan.

A. Manufacturing Pembuatan

B. Communication Komunikasi

C. Construction Pembinaan

D. Transportation and power Pengangkutandankuasa

E. Industrial design Rekabentukindustri

Vehicle assembly activities Aktivitipemasangankenderaan

The used of mobile phone Penggunaantelefonmudahalih Product modification for a more comfortable use Pengubahsuaianprodukkepada yang lebihselesa

To supply clean water for domestic usage Membekalkan air bersihuntukkegunaandomestik

[4 marks]


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2. Figure 1 shows a part of micrometer and vernier caliper. Rajah 1 menunjukkan sebahagian daripada mikrometer dan angkup vernier. State the reading in the spaces provided. Nyatakan bacaannya pada ruang yang disediakan.

Figure 1 Rajah 1

(i) ………………………………………....

(ii) ……………………………………….... [4 marks]


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3. The following are list of hand tools used in fitting work. Berikutadalahsenaraialattangan yang digunakandalamkerjagegas.

A File

Kikir

B Spanner Sepana

C Screw Driver Pemutarskru

D Chisel Pahat

Complete Figure 2 by writing A, B, C or D in the spaces provided. Lengkapkan Rajah 2denganmenulisA, B, CatauDpadaruang yang disediakan.

Figure 2 Rajah 2

[4 marks]

Hand tool

Alattangan

Driving tools

Alatmemacu

(i) …………………………...

(ii) …………………………..

Cutting tools

Alatmemotong

(i) …………………………...

(ii) …………………………..


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4. The following are statement related to plastic. Berikutadalahpernyataantentangplastik. Tick ( √ ) for true statement and ( X ) for false statement in the boxes provided. Tandakan( √ ) bagipernyataan yang benardan ( X ) bagipernyataan yang palsupadapetak yang disediakan.

Thermoplastic can become soft when reheated to be moulded to other shapes. Plastikhababolehmenjadilembutapabiladipanaskansemulauntukdiubahkebentuk lain.

Plastic are good conductor of heat and electricity. Plastikadalahpengalirhabadanelektrik yang baik.

Thermosetting plastic can withstand high temperature up to 2600C. Plastiktermosetbolehtahansuhutinggisehingga 2600C.

Polyvinyl Chloride (PVC) and polystyrene are examples of thermosetting plastic. PolivinilKlorida (PVC) danpolisterinaadalahcontohplastiktermoset.

[4 marks]

5. The following are machines used in machining processes.


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Berikutadalahmesin yang digunakandalam proses pemesinan.

Lathe machine Mesinlarik

Milling machine Mesinkisar

Grinding machine Mesincanai

A B C

Complete Table 1 by writing A, B, or C in the spaces provided. LengkapkanJadual 1denganmenulisA, BatauCpadaruang yang disediakan.

Statement Pernyataan

Machine Mesin

The workpiece has to be held firmly by hand against a tool rest. Benda kerjadipegangkuatdengantanganpadabahagianpenahanalat.

To sharpen blunt or chipped cutting tools. Menajamhujungmataalat yang tumpul.

The workpiece is clamped and bolted to the worktable. Benda kerjadipasangdengancaradiapitataudiboltpadamejamesin.

Cutting horizontal, vertical and tilted surfaces. Memotongpermukaan rata, ufuk, tegakdancondong.

The workpiece is clamped and rotating at various speed. Benda kerjadipasangdanberputarmengikutkelajuantertentu.

To reduce the material size. Mengurangkansaizbahan.

Table 1 Jadual 1

[3 marks]

6. Figure 3 shows three types of joining method.

Rajah 3menunjukkantigajeniskaedahpenyambungan.


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Name each joining method in the spaces provided. Namakansetiapkaedahpenyambunganitupadaruang yang disediakan.

(i) ………………………………… (ii) ………………………………… (iii) ………………………………...

Figure 3 Rajah 3

[3 marks] 7. Figure 4 shows a transfer moulding process that are not in correct sequence.

Rajah 4menunjukkan proses pengacuanpindah yang tidakmengikuturutan yang betul.


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Write 1, 2 and 3 in the correct process in the boxes provided. Tuliskan1, 2dan3mengikuturutan proses yang betulpadapetak yang disediakan.

Figure 4 Rajah 4

[3 marks] 8. The following are processes in radio wave communication.

Berikutmerupakan proses-proses di dalamperhubungangelombang radio.


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W Modulation process

Proses pemodulatan

X Demodulation process

Proses penyahmodulatan

Y Heterodyne process Proses heterodin

Z Multiplexing process

Prosespemultipleksan

Match the processes according to its description by writing W, X, Y and Z in Table 2. Padankan proses-proses tersebut dengan keterangan yang sesuai dengan menulis W, X, Y dan Z dalam Jadual 2.

Description

Keterangan

Process

Proses

Process of making more than one signals to be transmitted using one carrier wave.

Proses yang membolehkanlebihdaripadasatuisyaratdihantarmenggunakansatugelombangpembawa.

.......................

The process of mixing two signals to produce intermediate signal.

Proses mencampurkanduaisyaratuntukmenghasilkanisyaratpertengahan.

…… ………..

The process of combining the information signal and carrier signal before being propagated to the atmosphere.

Proses menggabungkanisyaratmaklumatdanisyaratpembawasebelumdipancarkankeatmosfera.

…………….

The process of removing unwanted signal from the required signal.

Proses menyingkirkanisyarat yang tidakdikehendakidariisyarat yang diperlukan.

……………

Table 2 Jadual2

[4 Marks]


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9. Complete Table 3 by stating the function of each components in the spaces provided. LengkapkanJadual3denganmenyatakanfungsibagisetiapkomponen di dalamruangyang disediakan.

Symbol Simbol

Function Fungsi

Table 3 Jadual 3

[3 Marks]


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10. The following are the processes in the power supply unit from AC input voltage to DC output voltage that are not in the correct sequence. Berikutpadaadalah proses di dalam unit bekalankuasadaripadavoltanmasukan AU kepadavoltankeluaran AT yang tidakmengikuturutan yang betul

Write A, B, C, or D in the correct sequence in the boxes provided in Figure 5suitable to the power supply unit components. TulisA, B, C, atauDmengikuturutan yang betulpadapetak yang disediakanpada Rajah 5bersesuaiankepadakomponen unit bekalankuasa.

Transformer Rectifier Filter Regulator PengubahPenerusPenapisPengatur

Figure 5 Rajah 5

[3 marks]

Smooth out ripples so that the output voltage is similar to the direct current Melicinkan riak supaya voltan keluaran serupa dengan arus terus

Stabilizes output voltage Menstabilkanvoltankeluaran

Increases/decreases voltage to the desired value Meninggikan/merendahkan voltan kepada nilai yang dikehendaki

Transforms alternating current to direct current Mengubah arus ulang-alikkepada arus terus

A B

C D


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Band 1 Jalur 1

Green / Hijau Band 2 Jalur 2

Band 3 Jalur 3

Band 4 Jalur 4

11. Figure 6 shows a carbon resistor with a resistance value of 25 k 5%. State the colours for the resistor bands. Rajah 6menunjukkansatu unit perintangkarbon yang bernilai 25 k 5%. Nyatakanwarna-warnabagijalur yang terdapatpadaperintangtersebut.

Figure 6 Rajah 6

[3 marks]


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12. Information can be transmitted in two different methods as follow, direct communicaton and indirect or wireless communication. Penghantaranmaklumatdaripadapenghantarkepadapenerimadalamsistemperhubunganelektronikbolehdibuatmenggunakanduakaedahiaituperhubungansecaralangsungdanperhubungansecaratidaklangsungatautanpadawai.

Complete Table 4 below to show examples of medium for each transmission method.

LengkapkanJadual 4 di bawah yang menunjukkancontohbagisetiap medium penghantaran.

Transmission Methods KaedahPenghantaran

Examples Contoh

Direct Communication

PerhubunganSecaraLangsung

1. Transmission line /

TalianPenghantaran

2. …………………………………

Indirect Communication PerhubunganSecaraTidakLangsung

1. ………………………………..

2. ………………………………..

Table 4 Jadual4

[3 marks]


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13. There are two types of radar system. Pulse Radar System (PRS) and Continous Wave Radar System (CWRS) will use to detect distance, location and speed of the object. Terdapatduajenissistem radar iaituSistem Radar DenyutdanSistem Radar GelombangBerterusan yang digunakansamadauntukmengesanjarak, lokasiataulajusasaran.

Sketch the signal that is used in Pulse Radar System and Continous Wave Radar System in the spaces provided. Lakarkanisyarat yang digunakandalamSistem Radar DenyutdanSistem Radar GelombangBerterusan di dalamruang yang disediakan.

Radar System Sistem Radar

Signal Sketches LakaranIsyarat

Pulse Radar System

Sistem Radar Denyut

Continous Wave Radar System

Sistem Radar GelombangBerterusan

[4 marks]


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14. Figure 7 shows a flowchart of a system to produce energy through the generation process. Rajah 7 menunjukkan carta alir bagi satu sistem penghasilan tenaga melalui penjanaan.

Figure 7 Rajah 7

a) Name the generation system.

Namakansistempenjanaantersebut.

………………………………………………………………………………

b) State that the energy exchanges will produce at: Nyatakan perubahan tenaga yang terhasil pada: A : ……………………………………………………………………… B : ………………………………………………………………………

[3 marks]

15. Arrange 1, 2 and 3 steps taken in produce electrical energy in a thermal power plant. Susunkan 1, 2 dan 3 bagi menghasilkan tenaga elektrik dalam janakuasa terma.

Steam that comes out of the hot turbine is cooled down and delivered again to the boiler. Stimkeluardariturbindisejukkandandisalurkansemulakedandang

4

Water in the boiler is heated using fuel to produce high pressure steam Air dalam dandang dididihkan untuk menghasilkan stim bertekanan tinggi

Generator shaft is coupled with turbine to convert mechanical energy into electrical energy. Syaf penjana digandingkan dengan turbin untuk menukar tenaga mekanikal kepada tenaga elektrikal

The high pressure steam produced to rotate the turbine. Stim bertekanan tinggi dihasilkan untuk memutarkan turbin

[ 3 marks ]

Turbine Turbin

A B Water Air

Generator Penjana


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16. Statement below shows an explanation on piston and valve position. Arrange 1, 2, 3 and 4 in the spaces provided in sequence.

Pernyataan di bawah menunjukkan penerangan tentang omboh dan posisi injap. Susunkan 1, 2, 3 dan 4 pada ruang yang disediakan.

Gas is released through the exhaust assisted by the upward piston movement Gas dilepaskan melalui ruang ekzos dengan melalui gerakan di atas piston

Combustion of fuel mixture occurs in the cylinder Pembakaran bahan api berlaku dalam silinder

The mixture of fuel and air flows into the chamber through the carburettor Percampuran minyak dan udara mengalir melalui corong dalam karburetor

The fuel and air mixture continues to be compressed Percampuran minyak dan udara akan dimampatkan

[ 4 marks ]


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17. By referring to Figure 8, state the function of each component by writing P, Q, R, S or T in the boxes provided. Denganmerujukkepada Rajah 8, tentukanfungsibagisetiapkomponendenganmenulishurufP, Q, R, SatauTdalamkotak yang disediakan.

Controls the fluid pressure Mengawaltekananbendalir

…………

Controls the direction of cylinder motion Mengawalarahgerakansilinder

………….

Slows down the cylinder motion Memperlahankangerakansilinder

………….

[3 marks]

Figure 8 Rajah 8


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18. Figure 9 shows the schematic circuit of hydraulic system Rajah 9 menunjukkanlitarskematiksistemhidraulik.

Figure 9 Rajah 9

Tick (√) for the true statement and (X) for the false statements in the boxes provided. Tandakan (√) untukkenyataan yang benardan(X) untukkenyataan yang salahpadakotak yang disediakan.

The circuit use three port double position valve Litaritumenggunakaninjaptigaliangduakedudukan

The piston will move to the right when the knob been pushed Ombohakanbergerakkekananapabilapunatditekan

Movement speed of double acting cylinder cannot be change Kelajuanpergerakkansilinderduatindakantidakbolehdiubah

[3 marks]


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19. Complete the Table 5 with state of function hidraulic component below. LengkapkanJadual 5denganmenyatakanfungsikomponenhidraulikberikut.

Component Komponen

Function Fungsi

Symbol Simbol

Double acting cylinder Silinderduatindakan

One way insulator valve InjapPenyekatSehala

Prevent the flow from the opposite direction Mengehaddanmenyekataliranpadaarahbertentangan

Tank Tangki

Injap 3 liang 2 kedudukan Control way valve 3/2

To control flow direction using 3 port, 2 position Mengawalarahaliranmenggunakan 3 liang, 2 kedudukan

Table 5 Jadual 5

[4 marks]


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20. Figure 10 shows a hydraulic system used to lift a load.

Rajah 10menunjukkansatusistemhidraulikdigunakanuntukmengangkatsatubeban.

Figure 10

Figure 10 Rajah 10

Calculate the force of FA needed to balance a load of 200kg KiradayaFA yang diperlukanuntukmengangkatbebansebanyak 200 kg.

[ 4 marks ]


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21. The following are the jobs in a construction project. Berikut adalah pekerjaan dalam projek pembinaan.

A Architect Arkitek

B Technician Juruteknik

C Quantity surveyor Juruukurbahan

D Manager Pengurus

E Draftman Pelukis

Complete the table by writing A, B, C or D in the spaces provided. LengkapkanjadualdenganmenulisA, B, CatauDpadaruang yang disediakan.

Job Description SpesifikasiKerja

Job Pekerja

an Manager and oversees the whole proceeding of organizations such as the contractor or consultant. Menguruskandanmengawasikeseluruhanprosedurdanorganisasisepertikontaktordanjururunding.

Carries out supervising and monitoring work, design for small scope of work. Menjalankan kerja pengawasan dan pemantauan, merekabentuk untuk skala kerja yang kecil.

Prepares assessment or cost estimation for a project or a stage of the project. Menyediakanjangkaanatauanggarankosuntukkeseluruhanprojekatauperingkat-peringkattertentuprojek.

Prepares building or project designs from the architectural aspect. Menyediakan rekabentuk bangunan atau projek dari aspek arkitektual.


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[4 marks]

22. Table 6 shown a part data of level booking. Jadual6 menunjukkansebahagian data pembukuanukuraras.

Complete the table in the space provided. Lengkapkanjadualpadaruang yang disediakan.

Back Sight Pandangan Belakang

Intermediate Sight

PandanganAntara

Fore Sight PandanganHadapan

Rise Naik

Fall Turun

Reduced Level

ArasLaras

Chainage (m)

Rantaian (m)

Remark Catatan

0.690 89.850 BM1, RL1 BA1, AL1 = 89.850m

1.860 1.170 i) ______ 0 Point A Titik A

1.015 0.845 ii) ______ 20 Point B Titik B

1.085

0.070 89.445 40 Point C Titik C

2.650 1.465 0.380 iii) _____ 60

Transfer point D Titikpindah D

2.140 0.510 iv) _____ 80 Point E Titik E

Table 6 Jadual 6

[4 marks]


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23. Figure 11 shows the flow chart of a contract management. Complete the flow chart in the spaces provided based on Table 7.

Rajah 11menunjukkancartaalirpengurusankontrak.Lengkapkancartaaliritu pada ruang yang disediakan berdasarkan Jadual 7.

Legal Tender Document Perundangan Dokumen Tawaran Tender AdvertismentContractor Selection IklanTawaranPemilihanKontraktor

Table 7 Jadual 7

.........................................

Contract Agreement Kontrak

…………………………..

…………………………..


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Figure 11 Rajah 11

[3 marks]

24. The following are activities in construction process . Choose three activities with write (√) for first stage project. Berikut adalah aktivit dalam proses pembinaan. Pilih tiga aktiviti dengan menandakan (√) di peringkat permulaan projek

Foundation construction Pembinaanasas

Handover of project Penyerahanprojek

Setting out Memanvangtanda

Site clearing Pembersihantapak

Installation of building system Pemasangansistembangunan

[3 marks]

25. The following are the purpose of construction.

Berikutadalahtujuanpembinaan. Complete Table 8 by writing False or Truein each of the spaces provided.

LengkapkanJadual8denganmenulisBetulatauSalah dalamsetiapruang yang disediakan.

Construction Structure

StrukturPembinaan Construction Purpose

Tujuanpembinaan Answer Jawapan


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Industrial complex Kompleksindustry

Communication komunikasi

Transmission station Stesenpemancar

Transporting Mengangkat

Water supply tank Tangkibekalan air

Storing Menyimpan

Table 8 Jadual8

[3 marks]

Figure 12 Rajah 12

26. Figure 12 shows soil size distribution graph for a soil gradation test. Complete Table

9 by writing True or False the spaces provided. Rajah 12 menunjukkan graf taburan saiz tanah bagi satu ujian penggredan tanah. LengkapkanJadual9denganmenulisBetulatauSalahdalamruang yang disediakan.

Particle Size Analysis

AnalisisSaizKumin Curve

Lengkung Answer Jawapan

Sand type soil mixed with some silt and gravel

FINE MEDIUM COARSE FINE MEDIUM COARSE FINE MEDIUM COARSE SILT SAND GRAVEL

SIEVE HYDROMETER PARTICLE SIZE DISTRIBUTION

1 2

3

0.002 0.01 0.06 0.1 0.2 0.6 1 2 5 10 20 60 0

10

20

30

40

50

60

70

80

90

100

% C

umula

tive t

otal

Soil mass that passed through the sieve


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Tanah pasir bercampur kelodak dan kelikir

Poor soil grade Tanah bergredkurangbaik

1

Fine sand type soil Tanah jenispasirhalus Very poor soil grade Tanah bergredtidakbaik

3

Sand type soil Tanah jenispasir Soil of good grade Tanah bergredbaik

2

Table 9 Jadual 9

[3 marks]


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Figure 13 Rajah 13

27. Figure 13 shows a leveling staff. Sketch the reading of 1.545m on the staff above.

Rajah 13 menunjukkan sebuah staf ukur aras. Lakarkan bacaan 1.545m pada rajah staf di atas.

[3 marks]

1.5


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28. The following are types of drawing. Berikutadalahjenis-jenislukisan.

A

B

C

Complete Table 10 by writing A,B or C in each of the space provided.

LengkapkanJadual10denganmenulisA, BatauCpadasetiapruang yang disediakan.

Orthographic Drawing LukisanOrtografik

Isometric Drawing LukisanIsometrik

Perspective Drawing LukisanPerspektif

Table 10 Jadual 10

[3 marks]

29. The following are types of reference sources in design idea.


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Berikutadalahjenis-jenissumberrujukan di dalam idea rekabentuk.

Books Article BukuArtikel Film Case study FilemKajianKes

Based on the above types of reference source, identify: Berdasarkanjenis-jenissumberrujukan di atas, kenalpasti:

(a) Printed media Media cetak Books / buku ………………………………………

(b) Electronic media

Media elektronik …………………………………….... ………………………………………

[3 marks] 30. State three methods used to show up parts of a drawing.

Nyatakantigakaedah yang digunakanuntukmenunjukkanbahagian-bahagianlukisan.

(i) ……………………………………… (ii) ………………………………………

(iii) ………………………………………

[3 marks]

END OF QUESTION PAPER KERTAS SOALAN TAMAT

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