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8/8/2019 KL-SKEMA P2
1/9
SULIT 3764 / 2
3764 / 2 SULIT
1
JAWAPAN MARKAH
1 a)To cut internal thread M14 x 2.0Solution:Tap drill size (TDS)= Major dia.- Pitch
= 14 2.0= 12.00 mm
1. Drill a hole of suitable size.2. Choose a desired tap size.3. Positioned tap vertically.4. Turn wrench clockwise half/full cycle. Drip cutting fluid.5. Turn wrench anticlockwise.6. Repeat steps 4 and 5.7. Repeat steps 4 & 5 using Plug and Bottoming tap
b) scriber / steel ruler / L-square / pin punch
drill machine / hacksaw / File /
2
2222
222
= 16M
2
2
= 4m
Total = 20
m
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SULIT 3764 / 2
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QuestionsNo.No.
Soalan
ANSWER MarksMarkah
2 (a) Total internal reflection.
(b) Encoder- Convert analog signal to digital
signal.
Light source- Convert the digital signal to pulse-
form light
Light detector- Convert the pulse light to electric
signal (digital)
Decoder- Convert digital signal to analog
signal
(c)Advantages
Can carry moreinformation at anytime because oflarge bandwidth.
There is noelectromagnetic interference becauseonly pulsed light moves through thefibre optic cable.
There is no interferencewith other signals from nearbycables.
There is no electriccurrent in fibre optic cable.
It is safe from line
tapping. It is small and light.
Disadvantages
Cost of fiber optic cables,installation and testing are high.
Difficult to redirect the signal toother channels.
The installation and connectionare complex ( because of the highprecision ) and require special tools.
TOTAL
2
2
2
2
2
Any
THREE3 x 2M=6
Any TWO2 x 2M=4
20
2
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APPENDIX1
LAMPIRAN 1
Question 3
Name : Form :.
Back SightPandanganBelakang
IntermediateSight
PandanganAntara
Fore SightPandangan
Hadapan
RiseNaik
FallTurun
ReducedLevelArasLaras
ChainageRantaian
RemarkCatatan
1.600 10.750 0 BM RL = 10.750 m
1.185 0.415 11.165 10 Point A
1.790 0.605 10.560 40 Point B
1.290 2.425 0.635 9.925 70 Point C, TP2.275 0.985 8.940 90 Point D
3.000 0.725 8.215 100 Point E
3.290 0.290 7.925 120 Point F
2.510 3.025 0.265 8.190 140 Point G, TP2
1.980 0.530 8.720 160 Point H
2.180 0.200 8.520 180 Point I
2.970 0.790 7.730 200 Point J
2.380 0.590 8.320 210 BM2 RL = 8.315 m
Skema :
APPENDIX 2
3764 / 2 SULIT
Jawapanbetul
Markah Jawapan betul Markah
15 12 9 6
14 11 8 5
13 10 7 4
12 9 5-6 3
11 8 3-4 2
10 7 1-2 1
3
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SULIT 3764 / 2
LAMPIRAN 2
Name : . Form: .
ReducedLevel
Aras
Laras
10.
75
0
11.
16
5
10.
65
0
9.
92
5
8.
94
0
8.
21
5
7.
92
5
8,
19
0
8.
72
0
8.
52
0
7.
73
0
8.
32
0
Chainage
Rantaian
(m)
010
40
70
90
100
120
140
160
180
200
210
SKEMASOALAN 4
3764 / 2 SULIT
4
6
7
8
9
10
11
12
13
[ aras laras yang betul - x 8 = 4 ][ tanda dan plotan yang betul - x 8 = 4 ]
[ 8 Markah ]
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4.
a) i) The floor area of walled kitchenextension
= 4 X 8.5 m2
= 34.00 m2
The cost of the walled kitchen
extension section = 34 X 250.00
= RM 8500.00
ii) The floor area of patio extension
= [ 5.2 + 4.0 + 6.0 5.0 ] X 4.5 m2
= 45.90 m2
The cost of the patio
extension section = 45.90 X 250.00
= RM 11475.00
2m
2m
2m
1m
2m
2m
2m
1m
= 14m
b)
The volume of
the house = 8.5m X 15.2m X 0.15m
= 19.38m3
The cost of the walled kitchen
extension section = 19.38 X 120.00
= RM 2325.60
2m
1m
2m
1m
3764 / 2 SULIT
5
B
A
K2K1
1
Masalah (i)
Guna
silinder
berpegas
(3 markah)
Masalah (iii)
Guna Injap
Penghad
boleh laras &
selari dengan
injap sehala
(3 markah)
Masalah (ii)
Ubah
keddukan pam
kepada N/O
(3 markah)
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5.
a)
b)
Apabila pam dihidupkan .
Udara termampat akan mengalir sehingga
ke liang injap kawalan arah.
Apabila kedudukan injap kawalan arah
beroperasi dan berada pada K1 udara
termampat mengalir keluar dan injap kawalan
aliran hingga ke selinder bagi menggerakkan
omboh ke B
Omboh akan bergerak dari B ke A
disebabkan oleh tindakan pegas apabila injap
kawalan arah berada pada K2
Kelajuan omboh dari B ke A adalah secara
perlahan disebabkan oleh aliran udara akan
melalaui injap penghad boleh laras. Udara termampat akan dilepaskan melalui
ekzos
Mana-mana
empat jawapan
= 8 markah
c)
Ekzos dan
penyenyap( silencer)
3M
6aWrong connection
3764 / 2 SULIT
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6b
Sambungan yang salah
Right connectionSambungan yang betul
Change PB2(stop) to C1(normally open) in line motorM2.Tukar PB2(henti) kepada C1 (terbuka) pada litar motorM2.
Cut out C1(normally close) in line motor M1.Keluarkan C1(terbuka) pada litar motor M1.
Cut out C1(normally close) in line motor M2.Keluarkan C1 (terbuka) in litar motor M2.
2
2
2
6m
3764 / 2 SULIT
7
Motor M1
F = 3N
PedalMotor M1
C
1
T R
C
2Motor M2
L
CBPB1(stop)
PB1(start)
C
1
C
2
C
1
PB2(start)
OR
N
Motor M1
T R
Motor M2
L
CBPB1(stop)
PB1(start)
C
1
C
2
C
1
PB2(start)
C
2
C
1
C
1
PB2(stop)
OR
N
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When push button PB1(start) is pressed/, contact coil C1 willbecome electromagnetic
Apabila punat tekan PB1 (start) ditekan/, gegelung penyentuhC1 akan menjadi electromagnet.
All open contactors inside contactor C1 will be closedSemua sesentuh C1 tertutup
M1 motor startsMotor M1 berkendali
When push button PB1 (start) is released, M1 motor is
still running due to holding circuit actionApabila punat tekan PB1 (start) dilepaskan, motor M1 masihberkendali disebabkan oleh litar pegang.
When push button PB2(start) is pressed,/contact coil C2will become electromagneticApabila punat tekan PB2 (start) ditekan,/ gegelung penyentuhC2 akan menjadi elektromagnet.
All open contactors inside contactor C2 will be closedSemua sesentuh C2 tertutup
Motor M2 starts running /because contactor C1 in circuit2 is closedMotor M2 berkendali / kerana sesentuh C1 dalam litar 2tertutup.
When PB1 (stop) is pressed, motor M1 and M2 stoprunning. The action will loosen the electromagnet in coil C1.Motor M1 dan M2 akan berhenti berputar apabila PB1 (henti)ditekan. Tindakan menekan PB1 (henti) menghilangkanelektromagnetan gegelung C1.
It will also cause all the close contacts in contactor C1(contacts in circuit 2) to open.Ini menyebabkan semua sesentuh penyentuh C1 yang sedangtertutup (termasuk sesentuh yang terdapat dalam litar 2)menjadi terbuka.
1
1
1
1+1
1+1
1
1+1
1+1
1+1
14mmax
N0. SOALAN MARKAH
7 (a)
(i)Human 2m
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Manusia- Kerusi diubahsuai mengikut
kesesuaian saiz supayamudah untuk meletakkankanak-kanak.
(ii) FunctionFungsi
- Kerusi diubahsuai dandilengkapkan dengantempat meletak makanan.
(iii) Strength
Kekuatan- Kerusi diubahsuai
sambungannya agar lebihkukuh
(b) - Body and human movement- Safety- Growth and age- Size- Shape- Movement
Lakaran = 2m
2m
Lakaran = 2m
2m
Lakaran = 2m
2m2m2m2m2m2m
Maksimum=8m
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