Trade Test For
Metal Scaffolder
Knowledge Part
A
1.
Which of the following specification is for metal scaffolding ?
(a)
(b)
(c)
(d)
2.
Which one of the following members is a tube to form the support for
boards or units forming the working platform ?
(a)
(b)
(c)
(d)
3.
standard
ledger
transom
brace
The spacing of lines of ties should not exceed :
(a)
(b)
(c)
(d)
4.
HKJC
HKQA
BS 1139
ISO 9001
4.5 m
6.5 m
8.5 m
10.5 m
The joints in continuous diagonal bracing should be made by two tubes
with overlapping :
(a)
(b)
(c)
(d)
300 mm
800 mm
1000 mm
2000 mm
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5.
A transom should be fixed to :
(a)
(b)
(c)
(d)
6.
Which one of the following members of a scaffold is to take up dead
load ?
(a)
(b)
(c)
(d)
7.
putlog
transom
standard
ledger
The ledgers should be level to :
(a)
(b)
(c)
(d)
8.
standards
ledgers
standards and ledgers
standards or ledgers
within +/- 10 mm in 2 m
within +/- 15 mm in 2 m
within +/- 20 mm in 2 m
within +/- 25 mm in 2 m
As the drawing shown below, X should be :
(a) between 35o - 45o
(b) between 35o - 55o
(c) between 45o - 55o
(d) between 45o - 65o
X
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9.
As the drawing shown below, W should not be greater than :
(a) 100 mm
(b) 200 mm
(c) 300 mm
(d) 400 mm
W
10.
The member as arrowed is called :
(a)
(b)
(c)
(d)
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standard
ledger
transom
brace
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11.
As a metal tower is adjacent to building, H should not be more than :
(a)
(b)
(c)
(d)
3.0 m
3.6 m
4.2 m
4.8 m
H
1.2 m
12.
Which one of the following couplers should be used in fixing facade
brace to transom ?
(a)
(b)
(c)
(d)
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13.
According to the details shown below, the dimension of C should be :
3
8
4
4
2
A
PLAN
C
4×3
10
B
SIDE VIEW
14
ISOMETRIC VIEW
ELEVATION
(a)
(b)
(c)
(d)
14.
5
6
7
8
The sole plate of timber shown should not be less than :
(a)
(b)
(c)
(d)
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15 mm in thickness
25 mm in thickness
35 mm in thickness
45 mm in thickness
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15.
Which two of the following couplers should be used for the joint of
standards ?
(a)
(b)
(c)
(d)
16.
A and B
B and C
C and D
A and D
A
C
B
D
Refer to the drawings shows below, which one of the postures is
correct in manual handling of tubes ?
(a)
(b)
(c)
(d)
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17.
According to the " Code of Practice for Metal Scaffolding Safety", a
scaffold shall not be used unless it has been inspected by a :
(a)
(b)
(c)
(d)
18.
A scaffold shall be periodically inspected. Define "periodically" :
(a)
(b)
(c)
(d)
19.
At regular intervals not exceeding 7 days
At regular intervals not exceeding 14 days
At regular intervals not exceeding 21 days
At regular intervals not exceeding 30 days
The height of guardrails should not be less than :
(a)
(b)
(c)
(d)
20.
safety officer
structure engineer
competent person
consultant
800 mm
900 mm
1000 mm
1100 mm
The "Code of Practice for Metal Scaffolding Safety" is issued by :
(a)
(b)
(c)
(d)
Buildings Department
Labour Department
Housing Department
Fire Services Department
--END--
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