# Technology Grade 9 November EC 2013 Memo (English) > Grade 9 Technology memorandum from the November EC 2013 (English), 9 pages. Read online or get the free PDF download, question paper linked when available. - Page: https://www.hlayiso.com/library/tech-eng-memo-gr9-nov2012/7cb3dab9-5454-4939-b2aa-bed271097967 - Updated: 2026-09-27 - Subject: Technology - Grade: Grade 9 - Document type: Memorandum - Year: 2013 - Exam period: November EC - Curriculum: CAPS - Pages: 9 Breadcrumbs: [Home](https://www.hlayiso.com/) › [Library](https://www.hlayiso.com/library) › [Grade 9](https://www.hlayiso.com/library/grade-9) › [Technology](https://www.hlayiso.com/library/grade-9/technology) › [Technology Grade 9 November EC 2013 Memo (English)](https://www.hlayiso.com/library/tech-eng-memo-gr9-nov2012/7cb3dab9-5454-4939-b2aa-bed271097967) ## About this document Technology · Grade 9 · November EC · 2013. Memorandum, 9 pages. Read online or download the PDF. Read it free online on the page above; download the PDF from there. ## Document text Text extracted from the PDF. Layout, diagrams and tables may not survive extraction. ### Page 1 Downloaded from hlayiso.com SENIOR PHASE GRADE 9 NOVEMBER 2013 TECHNOLOGY MEMORANDUM MARKS: 100 This memorandum consists of 9 pages. ### Page 2 Downloaded from hlayiso.com 2 TECHNOLOGY (NOVEMBER 2013 INSTRUCTIONS AND INFORMATION 1. A learner must answer ALL the questions from SECTIONS A, B, C, D and E. 2. Sketches must be clear, neat and done in pencil. ALLOCATION OF MARKS SECTION A MULTIPLE-CHOICE QUESTIONS QUESTION 1 [15] SECTION B STRUCTURES QUESTION 2 [20] SECTION C PROCESSING QUESTION 3 [15] SECTION D SYSTEMS AND CONTROL (Mechanical Systems) QUESTION 4 [25] SECTION E SYSTEMS AND CONTROL (Electrical Systems) QUESTION 5 (18) [25] QUESTION 6 (7) ### Page 3 Downloaded from hlayiso.com (NOVEMBER 2013) TECHNOLOGY 3 SECTION A: MULTIPLE-CHOICE QUESTIONS QUESTION 1 1.1 1.1.1 C√ (1) 1.1.2 B√ (1) 1.1.3 A√ (1) 1.1.4 D√ (1) 1.1.5 A√ (1) 1.1.6 C√ (1) 1.1.7 B√ (1) 1.1.8 B√ (1) 1.1.9 B√ (1) 1.1.10 B√ (1) 1.2 1.2.1 Drying √ (1) 1.2.2 dynamic √ (1) 1.2.3 Triangulation √ (1) 1.2.4 natural √ and synthetic (or man-made) √ (2) TOTAL SECTION A: 15 SECTION B: STRUCTURES QUESTION 2 2.1 2.1.1 To span a gap √ To shorten the distance to be travelled Providing access for vehicles Saving time and money (1) 2.1.2 Cables √ and wires √ (2) 2.1.3 Cables – tensile √ Pillars – compressive √ (2) 2.1.4 The natural environment is damaged through the construction of a bridge. √ (1) 2.2 2.2.1 E√ (1) 2.2.2 D√ (1) 2.2.3 F√ (1) 2.2.4 A√ (1) 2.2.5 B√ (1) ### Page 4 Downloaded from hlayiso.com 4 TECHNOLOGY (NOVEMBER 2013 2.3 2.3.1 (4) 2.3.2 STRUCTURAL COMPONENT STIFF OR FLEXIBLE A Strut Stiff √ (1) B Tie Flexible √ (1) C Spring Flexible √ (1) D Truss Stiff √ (1) E Tent brace Flexible √ (1) TOTAL SECTION B: 20 ### Page 5 Downloaded from hlayiso.com (NOVEMBER 2013) TECHNOLOGY 5 SECTION C: PROCESSING QUESTION 3 3.1 3.1.1 The armies who fought a long way from home needed to be fed. √ (1) 3.1.2 Heating food in sealed glass bottles. √ Sealing the food in an airtight container. √ (2) 3.1.3 Heating food at high temperatures kills micro-organisms. √/ Sealing the food in glass bottles removed air from around the food which prevents micro-organisms from growing on the food. (1) 3.1.4 He developed a method of sealing food in tins rather than glass bottles. √ (1) 3.1.5 Tins were lighter, unbreakable and easier to seal. √ (1) 3.1.6 The iron was coated with a fine layer of tin to stop it from rusting. √ (1) 3.2 3.2.1 E√ (1) 3.2.2 D√ (1) 3.2.3 A√ (1) 3.2.4 B√ (1) 3.2.5 F√ (1) 3.3 3.3.1 Electrolysis – Chemical decomposition produced by passing an electric current through a conducting liquid. √ (1) 3.3.2 It keeps water and air away from the surface of the metal. √ Improves the appearance and lifespan of metal. Resistance to corrosion. (Any ONE of the above or any other acceptable answers.) (1) 3.3.3 The metal underneath will corrode. √ (1) TOTAL SECTION C: 15 ### Page 6 Downloaded from hlayiso.com 6 TECHNOLOGY (NOVEMBER 2013 SECTION D: SYSTEMS AND CONTROL (MECHANICAL SYSTEMS) QUESTION 4 4.1 OBJECT TYPE OF MOVEMENT 4.1.1 An aeroplane Linear movement √ (1) 4.1.2 A person jumping on a Reciprocating movement √ trampoline (1) 4.1.3 A wheel Rotating movement √ (1) 4.1.4 A pendulum Oscillating movement √ (1) 4.2 4.2.1 Input Process Output Crank moved → Belt drives, → Needle moves up by person √ linkages and and down √ gears √ (3) 4.3 4.3.1 Hydraulic systems use hydraulic fluids such as oil or water confined in strong cylinders to create strong forces. A hydraulic system usually consists of a closed device with two pistons. Force applied to one piston results in the second piston moving. √ (1) 4.3.2 The scoop of a front-end loader √ and a car lift. √ (2) 4.3.3 Hydraulic systems need to have control mechanisms to allow us to direct the flow of fluid to our advantage. √ (1) 4.3.4 A car lift needs control mechanisms to keep the lift up, otherwise the lift would just keep falling down. √ (1) 4.4 4.4.1 A belt drive is a pulley system that is joined together by means of belts. √ (1) 4.4.2 Sewing machines √ Motor vehicles √ (2) ### Page 7 Downloaded from hlayiso.com (NOVEMBER 2013) TECHNOLOGY 7 4.5 4.5.1 The load will drop to the ground and the crank handle will spin round in the wrong direction. √ (1) 4.5.2 By fitting in the ratchet and pawl mechanism to the crank. To jam the handle by tying it √ (1) 4.6 4.6.1 It is a compound gear system √ (1) 4.6.2 Gear Ratio = x = x √ = 9 √ The gear ratio is 9 : 1 or 1 : √ (3) 4.6.3 Shaft D will turn 9 times slower than Shaft A. √ (1) 4.7 4.7.1 The winch has a ratchet and pawl to prevent the cable unwinding from the drum when the handle is released. √ (1) 4.7.2 Pawl √ (1) 4.6.3 Ratchet and pawl √ (1) TOTAL SECTION D: 25 ### Page 8 Downloaded from hlayiso.com 8 TECHNOLOGY (NOVEMBER 2013 SECTION E: SYSTEMS AND CONTROL (ELECTRICAL SYSTEMS) QUESTION 5 5.1 5.1.1 Letter of component Name of component A Battery √ (1) B Switch √ (1) C Resistor √ (1) D Capacitor √ (1) E Transistor √ (1) 5.1.2 Letter of Name of Input, Process, Output component component A Battery Input √ (1) B Switch Input √ (1) C Resistor Process √ (1) D Capacitor Process √ (1) E Transistor Process √ (1) 5.1.3 The Light Emitting Diodes (LED’s) will flash. √ (1) 5.2 5.2.1 Light-Dependent Resistor (LDR) √ (1) 5.2.2 Its resistance increases. It has a high resistance when it is dark and a low resistance when the light shines. √ (1) 5.2.3 (2 marks for the drawing of the symbol) (2) 5.3 5.3.1 A transistor amplifies electronic current. It turns currents on and off. √ (1) 5.3.2 (2) [18] ### Page 9 Downloaded from hlayiso.com (NOVEMBER 2013) TECHNOLOGY 9 QUESTION 6 6.1 6.1.1 Blue in the 1st band = 6 √ Grey in the 2nd band = 8 √ Red in the 3rd = 00 √ = 6 800 Ω (one mark for 6, one mark for 8 and one mark for 000) (3) 6.1.2 Resistors ensure that there is a flow of current in an electronic circuit. They deliberately slow or stop the flow of current. √ (1) 6.2 6.2.1 1st band 5 = Green √ 2nd band 0 = Black √ 3rd band Nil = Black √ (3) [7] TOTAL SECTION E: 25 GRAND TOTAL: 100 ## Related documents - [TECH GR9 QP ENG](https://www.hlayiso.com/library/tech-gr9-qp-eng/7cce9910-52c5-453f-8a6b-6cc20287ea36) — Technology · QP · 2013 · Eng - [TECH QP AFR GR9 NOV2013](https://www.hlayiso.com/library/tech-qp-afr-gr9-nov2013/6371932a-cf6b-4b3e-953d-c41fb36a1957) — Technology · QP · 2013 · Afr - [TECH GR9 NOV2012 ENG MEMO](https://www.hlayiso.com/library/tech-gr9-nov2012-eng-memo/c840d5b4-246e-4f65-a01f-3f87cce75eff) — Technology · Memo · 2012 · Eng - [TECH GR9 NOV2012 AFR MEMO](https://www.hlayiso.com/library/tech-gr9-nov2012-afr-memo/cf9d7cea-72c9-4af8-9b3b-6afdf7d4d158) — Technology · Memo · 2012 · Afr - [TECHNOLOGY AFR MEMO](https://www.hlayiso.com/library/technology-afr-memo/d1d80512-3795-404e-b487-5f8cc7bbdf1e) — Technology · Memo · 2011 · Afr - [TECHNOLOGY ENG MEMO](https://www.hlayiso.com/library/technology-eng-memo/7d7c0d40-94e6-4448-afa8-d1175c457a6a) — Technology · Memo · 2011 · Eng ## More from Grade 9 Technology - [CAPS SP TECHNOLOGY GR 7-9](https://www.hlayiso.com/library/caps-sp-technology-gr-7-9/62964f64-93d9-4096-912f-ec9ca278b2fa) — CAPS · Eng - [Grade 9 Technology November 2026 Mock](https://www.hlayiso.com/library/grade-9-technology-2026-november-mock-exam-question-paper/f0fa27d5-74dc-4ab2-aed3-034ed0f15c6a) — QP · 2026 · Eng - [TECH GR9 QP NOV 2016 ENG](https://www.hlayiso.com/library/tech-gr9-qp-nov-2016-eng/bccceeff-c9a2-4535-8567-46bc3ad208f7) — QP · 2016 · Eng - [TECH GR9 QP NOV 2016 AFR](https://www.hlayiso.com/library/tech-gr9-qp-nov-2016-afr/6497aff1-9e49-41f7-b766-24c512bb4e3e) — QP · 2016 · Afr - [TECH GR9 QP NOV 2014 AFR](https://www.hlayiso.com/library/tech-gr9-qp-nov-2014-afr/7af4fb9a-d53e-4e79-bd56-d79c5ee7515a) — QP · 2014 · Afr - [TECH GR9 QP NOV 2014 ENG](https://www.hlayiso.com/library/tech-gr9-qp-nov-2014-eng/750e3708-0a84-4778-aa32-dcdb0520b4f8) — QP · 2014 · Eng ## Collection - [Grade 9 past papers](https://www.hlayiso.com/grade-9/past-papers) --- Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. 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