Mock exam paper C Higher Level Marking Scheme

Pre-Junior Certificate Examination

2013

Marking Scheme

Materials Technology Woodwork

Higher Level

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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.

Award one mark for any attempt at a question.

Question

Marks

Marks

1

Nail punch (3) dot punch or centre punch (1)

Punch head of nail bellow surface of wood to allow filling (2)

Mark centre of drilling on plastic or metal (1)

5

2

Raised head screw (2) round head screw (2) countersunk screw (1)

5

3

Computer (2) Numeric (2) Control (1)

5

4

(i)A= heart wood(2) B= Sapwood (2)

(ii) one is darker than the other, one is more durable than the other, heart wood in no longer growing (1)

5

5

(i)hardwoods (3)

(ii) climate suits hardwoods, tropical rain forests found there (2)

5

6

Oak (2) Sycamore or maple (2) Ash (1)

5

7

(i)Thermoplastics (2) thermosetting plastics (2)

(ii) thermosetting plastics (1)

5

8

(i)star shake (3)

(ii) high winds, frost damage, incorrect felling (2)

5

9

(i)Natural seasoning or air seasoning(3)

(ii) Cheap, no equipment required, environmentally friendly. (2)

5

10

Filling, sanding, priming, undercoat, finish coat

One mark per correct answer

5

11

5 for correct answer well sketched.

Deduct one mark for every missing

Deduct appropriately when marking if sketch is correct but of poor quality.

5

12

Compression (5) squeezing (3) tension (2) torsion (2)

5

13

Copper (PM) Bronze (A) Aluminium (PM) Steel (A) Brass (PM)

One mark per correct answer

5

14

(i)X=neutral (2) Y= Earth (2)

(ii) fuse breaks the circuit if the appliance is faulty or if there is a problem with the power supply, safety feature

5

15

(i)Rack and pinion (3)

(ii) pillar drill, mortise machine (2)

5

16

Larva (3) Adult (2)

5

17

Do not drape cable on the floor, do not operate in water, ensure cable is not damaged, ensure machine is in good working order, ensure you are properly trained to used the machine.

Any two of the above (3,...

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