DCG5112 : HYDROGRAPHIC SURVEYING

Transcription

1 SECTION A : 50 MARKS BAHAGIAN A : 50 MARKAH INSTRUCTION: This section consists of TWO (2) structured questions. Answer all questions. ARAHAN: Bahagian ini mengandungi DUA (2) soalan struktur. Jawab semua soalan. QUESTION 1 SOALAN 1 (a) List FIVE (5) contributions of Hydrographic Surveying in maritime industry. Senaraikan LIMA (5) sumbangan Ukur Hidrografi dalam industri maritim. [5markah] (b) Explain the Hydrography according to International Hydrographic Organization (IHO). Terangkan Hidrografi merujuk kepada Organisasi Hydrografi Antarabangsa (IHO). [5markah] (c) Describe the function of the following hydrographic agencies :- Terangkan fungsi agensi-agensi hidrografi berikut :- (i) International Hydrographic Organization (IHO) Organisasi Hidrografi Antarabangsa, (ii) Royal Malaysian Navy (RMN) Tentera Laut DiRaja Malaysia (TLDM) (iii) Maritime Department. Jabatan Maritim. [15 marks] [15markah] 2 SULIT

2 QUESTION 2 SOALAN 2 (a) State FIVE (5) information which should be recorded during the sounding operation. Nyatakan LIMA (5) maklumat-maklumat yang perlu direkodkan semasa operasi penentudalaman. (b) The formula for the depth of water surface is given as : - d = ½ (v x t) + k + dr Define the symbols d, v, t, k and dr in the formula Formula kedalaman merujuk kepada permukaan air diberikan sebagai :- d = ½ (v x t) + k + dr Takrifkan simbol d, v, t, k dan dr dalam formula tersebut. (c) Explain the principle of acoustic wave using echo sounder for measuring water depth. Terangkan prinsip pengukuran kedalaman air dengan gelombang akustik menggunakan pemerum gema. [15 marks] [15 markah] 3 SULIT

3 SECTION B : 50 MARKS BAHAGIAN B : 50 MARKAH INSTRUCTION: This section consists of FOUR (4) structured questions. Answer TWO (2) questions only. ARAHAN: Bahagian ini mengandungi EMPAT (4) soalan struktur. Jawab DUA (2) soalan sahaja. QUESTION 1 SOALAN 1 Tides are periodic variation in the water surface of ocean due to the attraction of celestial bodies. Air pasang adalah perubahan berkala permukaan air laut akibat tarikan objek-objek di angkasa. (a) List FIVE (5) location of tidal observation locations in Sabah. Senaraikan LIMA (5) lokasi cerapan pasang surut di Sabah. (b) Briefly describe the theory of tides and state TWO (2) purposes of tidal observation. Huraikan dengan ringkas teori air pasang nyatakan DUA (2) tujuan cerapan pasang surut. (c) State the following items and sketch a suitable diagram to support your answer :- Nyatakan perkara-perkara berikut dan lakarkan rajah yang sesuai bagi menyokong jawapan anda :- (i) Diurnal Tides (Pasang Surut Harian) (ii) Semi Diurnal Tides (Pasang Surut Separuh Harian) (iii) Mixed Tides (Pasang Surut Bercampur) 4 SULIT

4 QUESTION 2 SOALAN 2 (a) List FIVE (5) general scope of work to be taken into consideration when making a planning for hydrographic surveying. Senaraikan LIMA (5) skop kerja yang perlu dipertimbangkan apabila membuat perancangan untuk pengukuran hidrografi. [ 5 markah ] (b) Briefly describe the equipment used in hydrographic surveying. Nyatakan secara ringkas peralatan-peralatan yang digunakan bagi kerja-kerja hidrografi. (c) Write a short notes about the following items related with hydrographic surveying. Tulis nota ringkas tentang perkara-perkara berikut yang berkaitan dengan ukur hidrografi (i) Horizontal Control ( Kawalan Ufuk ) (ii) Vertical Control ( Kawalan Pugak ) 5 SULIT

5 QUESTION 3 SOALAN 3 a) There are many satellite positioning systems such as QZSS and GPS. List another FIVE (5) of the system Terdapat banyak sistem kedudukan satelit.seperti QZSS dan GPS. Senaraikan LIMA (5) lagi sisitem kedudukan satelit. b) In hydrographic surveying, sextant is used to measure positioning. Describe how to use sextant resection positioning method at sea. Dalam pengukuran hidrografi, sekstan digunakan untuk mengukur kedudukan. Terangkan bagaimana cara menggunakan sekstan untuk mendapatkan kedudukan di laut. CLO2 c) Explain the general principle of Differential Global Positioning System method. Jelaskan prinsip am kaedah Pembezaan Sistem Kedudukan Global. 6 SULIT

6 QUESTION 4 SOALAN 4 (a) State FIVE (5) information needed on nautical charts. Nyatakan LIMA (5) maklumat yang perlu ada pada carta nautika. (b) Briefly explain on the processing of positioning data for hydrographic surveying. Terangkan secara ringkas peringkat memproses data kedudukan bagi kerja hidrografi. (c) There are several factors to be considered when implementing the automation system in Hydrographic Survey works. Explain briefly FIVE (5) possible factors. Terdapat beberapa faktor yang perlu diambil kira bagi melaksanakan sistem automasi dalam kerja-kerja Ukur Hidrografi. Terangkan dengan ringkas LIMA (5) faktor-faktor tersebut SOALAN TAMAT 7 SULIT