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2009-hsc-exam-electrotechnology - 2009 H I G H E R S C H O...

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2009± HIGHER SCHOOL CERTIFIC ATE± EXAMINATION± Electrotechnology General Instructions • Reading time – 5 minutes • Working time – 2 hours • Write using black or blue pen • Board-approved calculators may be used • Write your Centre Number and Student Number at the top of pages 5, 7 and 9 Total marks – 80 Section I Pages 2–4 15 marks • Attempt Questions 1–15 • Allow about 15 minutes for this section Section II Pages 5–10 35 marks • Attempt Questions 16–24 • Allow about 45 minutes for this section Section III Page 11 30 marks • Attempt TWO questions from Questions 25–27 • Allow about 1 hour for this section 344
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Section I 15 marks Attempt Questions 1–15 Allow about 15 minutes for this section Use the multiple-choice answer sheet for Questions 1–15. 1 Which organisation enforces OHS legislation in the electrotechnology industry in NSW? (A) WorkCover NSW (B) Standards Association (C) Electrical Trade Union NSW (D) National Electrical and Communication Association 2 Who is the most appropriate person to remove an isolation tag from a piece of electrical equipment? (A) The site manager (B) The site safety officer (C) The electrical supervisor (D) The person who applied the tag 3 Who is responsible for creating Material Safety Data Sheets (MSDS)? (A) The employer (B) The distributor (C) The manufacturer (D) The OHS committee 4 How often must portable electrical power tools be tested and tagged when they are used on construction sites? (A) Once a day (B) Once a week (C) Once a month (D) Once a year 5 If steel pop rivets are used to join pieces of sheet aluminium, the rivets will (A) fail. (B) fracture the aluminium. (C) pull through the aluminium. (D) set up corrosion with the aluminium. – 2 –±
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6 How can unauthorised reconnection of supply to electrical equipment be avoided? (A) By isolating and tagging the equipment (B) By danger tagging a locked-off isolation switch (C) By connecting the active and earth conductors together (D)
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