Marking Scheme 3764 P1 Trial 2008

MARKING SCHEME PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA 2008 ENGINEERING TECHNOLOGY PAPER 1

NO 1 2 3 4 5 6 7

ANSWER B, D, A, C i) Adjustable Equipment ii) Special Equipment iii) Skilled Workers 2, 3, 1

MARKS 4 3 3 4

X ,  , , X

i) Straight Turning ii) Boring Turning iii) Knurling Turning 2, 1, 3, 5, 4 i) Piercing ii) Blanking

3 4 2

analog 8

3 Carrier wave

AM 9

10

11 12

a.

b. a. b. c.

To limit (resist) the flow of current in a particular circuit. 3

26 x 10 ± 20% @ 26000 Ω ± 20% @ 26 KΩ ± 20% Increase/decrease voltage to the desired voltage Used for amplification or switching. Allows current to flow one direction only / rectifier circuit / signal detectors in radio receiver.

i) Thick Film Hybrid iii) Monolithic iv) Thin Film C, A, D, B i) Allow data to be transmitted into the computer system (input/output

1 2 3

4

device).Etc : audio card, TV card, modem card

13

ii) Produced hard copies for text or graphic

4

Display information from computer iv) Used to enter data into the computer

14 15 16 17

18

a. X : Low Pressure Steam Y : Low Pressure Steam b. i) Free source of energy ii) Energy is renewable iii) No pollution

2

X, ,X

3 3 2

A, C, B a. X : Stator Winding Y : Squirrel Cage Rotor b. To produced magnetic field FA = FB 1 marks AA AB FA = FB x AA AB = 200(10) x 0.1

1 marks

2

1

3