INSTRUCTION: This paper consists of SIX (6) structured questions. Answer any FOUR (4) questions.

Transcription

1 INSTRUCTION: This paper consists of SIX (6) structured questions. Answer any FOUR (4) questions. ARAHAN: Kertas ini mengandungi ENAM (6) soalan berstruktur. Jawab mana-mana EMPAT (4) soalan. QUESTION 1 SOALAN 1 (a) i. State TWO (2) differences between electron flow and conventional flow with the aid of diagrams. Nyatakan DUA (2) perbezaan di antara aliran elektron dan aliran konvensional dengan bantuan gambarajah. [4 marks] [4 markah] ii. Describe briefly the structure of an atom. Terangkan secara ringkas struktur atom. [2 marks] [2 markah] (b) i. Name TWO (2) types of tire pressure monitoring system. Nyatakan DUA(2) jenis sistem pemantauan tekanan tayar. [2 mark] [2markah] ii. Describe the basic operation of tire pressure monitoring system. Terangkan operasi asas sistem pemantauan tekanan tayar. [3 marks] [3 markah] 2

2 (c) i. Explain the principle of electromagnetism. Terangkan prinsip elektromagnetisma. [2 marks] [2 markah] ii. State FOUR (4) factors that can affect the strength of electromagnetic coil. Nyatakan EMPAT (4) faktor yang boleh memberi kesan kekuatan gegelung elektromagnet. [4 marks] [4 markah] (d) State TWO (2) applications and uses of stepper motor in automotive industry. Nyatakan DUA (2) aplikasi dan kegunaan motor pelangkah dalam bidang automotif. [8 marks] [8 markah] 3

3 QUESTION 2 SOALAN 2 (a) State the purpose of Cruise Control system. Nyatakan tujuan sistem Cruise Control. [2 marks] [2 markah] (b) Name the main components of the typical Cruise Control System. Namakan komponen - komponen utama sistem Cruise Control. [6 marks] [6 markah] (c) Explain the operation of the Cruise Control System. Terangkan operasi sistem Cruise Control. [8 marks] [8 markah] (d) Most Cruise Control systems uses a control scheme called proportional-integral derivative control (PID control) to determine the throttle position. Discuss THREE (3) main factors of PID control system. Kebanyakan sistem Cruise Control menggunakan skim kawalan yang dipanggil kawalan proportional-integral derivatif (kawalan PID) untuk mendapatkan kedudukan pendikit. Bincangkan TIGA (3) faktor utama sistem kawalan PID. [9 marks] [9 markah] 4

4 QUESTION 3 SOALAN 3 (a) List down the advantages when most module are connected together in a network. Senaraikan kelebihan apabila semua modul disambungkan bersama-sama dalam satu rangkaian. [2 marks] [2 markah] (b) Explain FOUR (4) types of communication in Data Bus System. Terangkan EMPAT (4) jenis komunikasi dalam sistem Data Bus. [8 marks] [8 markah] (c) List down THREE (3) advantages of multiplexing type of communication. Senaraikan TIGA (3) kelebihan komunikasi jenis multiplexing. [3 marks] [3 markah] (d) Explain High-Speed CAN (CAN-C) and Low-Speed CAN (CAN-B) and list down the systems that use CAN-C and CAN-B. Terangkan CAN kelajuan tinggi (CAN-C) dan CAN kelajuan rendah (CAN-B) dan senaraikan sistem-sistem yang menggunakan CAN-C dan CAN-B. [12 marks] [12 markah] 5

5 QUESTION 4 SOALAN 4 (a) Describe the function of an Immobilizer system. Nyatakan fungsi sistem Immobilizer. [4 marks] [4 markah] (b) Name THREE (3) components in the Immobilizer system. Namakan TIGA (3) komponen - komponen yang terdapat pada sistem Immobilizer. [3 marks] [3 markah] (c) State the function of each component based on question (b). Nyatakan fungsi setiap komponen berdasarkan soalan (b). [6 marks] [6 markah] (d) Sketch a schematic diagram of the Immobilizer system. Lakar gambarajah skematik bagi sistem Immobilizer. [6 marks] [6 markah] (e) Describe the consequences if someone tries to use a duplicate key to start a car which is equipped with the Immobilizer system. Terangkan akibat jika seseorang cuba menggunakan kunci pendua untuk menghidupkan kereta yang dilengkapi sistem immobilizer. [6 marks] [6 markah] 6

6 QUESTION 5 SOALAN 5 (a) State THREE (3) purposes of introducing the Electronic Stability Program in a vehicle. Nyatakan TIGA (3) tujuan pengenalan sistem Electronic Stability Program dalam sesebuah kenderaan. [3 marks] [3 markah] (b) List THREE (3) hydraulic and SEVEN (7) electronic components used for ESP. Senaraikan TIGA (3) komponen hidraulik dan TUJUH (7) komponen elektronik yang digunakan dalam ESP. [10 marks] [10 markah] (c) Give SIX (6) advantages of Electronic Stability Program. Berikan ENAM (6) kebaikan dari Electronic Stability Program. [12 marks] [12 markah] 7

7 QUESTION 6 SOALAN 6 a) Electronic throttle control or in other word drive-by-wire system is an electronic system that controls the fuel and air going through the inlet valve to the combustion chamber. Kawalan pendikit elektronik atau dengan kata lain sistem pemanduan menggunakan wayar adalah satu sistem elektronik yang mengawal bahanapi dan udara melalui injap masukan ke dalam kebuk pembakaran. i. Sketch and label a diagram of the electronic throttle body system. [5 Marks] Lakar dan labelkan sistem kawalan pendikit elektronik. [5 Markah] ii. Explain the working principle of the electronic throttle control with the aid of throttle body diagram from Question a (i). [10 Marks] Terangkan prinsip kerja bagi kawalan pendikit elektronik dengan berpandukan jawapan di Soalan a (i). [10 Markah] 8

8 b) Electro-Mechanical Brake system requires a number of mechanical and electronic components to make a complete the breaking system. List down FIVE (5) important components of Electro-Mechanical Brake system in a vehicle. Sistem brek elektro-mekanikal memerlukan komponen mekanikal dan elektronik untuk melengkapkan satu sistem brek. Senaraikan LIMA (5) komponen penting yang diperlukan pada sistem brek elektro-mekanikal dalam sebuah kereta. [5 Marks] [5 Markah] c) State FIVE (5) advantages of Electronic Throttle Control. Senaraikan LIMA (5) kelebihan Kawalan Pendikit Elektronik. [5 Marks] [5 Markah] SOALAN TAMAT 9