Mock exam paper A Higher Level Marking Scheme

PRE-JUNIOR CERTIFICATE EXAMINATION 2011

MARKING SCHEME

MATERIALS TECHNOLOGY

WOOD

HIGHER LEVEL

Section A Marking Scheme Higher level

Section A.

Mark best 16 answers. 5 marks per question, divide total by two at end of process.

EG: Students scores 66 marks out of 80, their actual total is 33 out of 40.

Question

Answer

Marks.

1

Belt sander Sander

Use: Sanding rough timber, shaping curved work

(3) (1)

(2)

2

Waney edge

Incorrect sawing

3

2

3

Screw, Round wire nail, panel pin.

1,2,2

4

Stagnant air, spores, food source, moisture content above 20%

2,2,1

5

Oak, maple/sycamore, Scots pine

2,2,1

6

Ash, horse chestnut , beech = hardwood

Larch, Sitka spruce, pine= soft wood

2,2,1

7

Poly vinyl chloride.

2,2,1

8.

Jack plane, plane or other type plane

General planing removing lines and cleaning up surfaces.

(3) (1)

(2)

9

Sketch showing tenon of suitable size (take into account neatness)

5

10

Rack and pinion. Other gear mechanism

Mortise machine, pilar drill, any machine with up/down gear mechanism.

(3) (1)

(2)

11.

No lead on floor, do not cross room, use nearest outlet, ensure cable is not damaged before use or similar

5

12.

Tension. Any other force

(5) (2)

13.

Marking knife, any other hand held knife/cutting tool

(5) (2)

14

Ferrous metals oxidise (rust) non ferrous do not.

Galvanising process, paint, plastic coat or similar

2

3

15

Auger, Spade bit, Forstner bit

Drilling larger holes by hand, Drilling larger holes using power drill

Drilling holes to a specific depth where a flat finish is required.

2

3

16

Oak, Horse chestnut , Ash/sycamore

2,2,1

17

Wearing of dust masks, Proper ventilation, ensuring machines are hooked up to dust extractor. Or similar.

5

18

Filling, sanding, priming, undercoating, glossing

1 mark for each in correct order

19

A; Neutral. B: Earth. Not in correct order or live

Fuse: safety feature to prevent power surge, or similar

(2) (1)

(3)

20

Thermosetting, Thermoplastic, Thermosetting, Thermoplastic.

1 mark for each correct one, 1 extra if all correct.

Section B Higher level Marking Scheme.

Section B.

Ma...

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