WorksheetsEXIT-ENTRANCE QUIZ - PRE TEST
Total questions: 20
Worksheet time: 12mins
Timber is known as a sustainable material. Using timber, a lot of benefits can be acquired to society and the environment EXCEPT
Timber building can be reused in another project
Tree released CO2 and absorbed O2
Harvesting trees keeps the carbon imprisoned in the wood.
Timber buildings will require less energy to heat or cool
All the products below are engineered timber, EXCEPT
Dowel laminated timber
Glued laminated timber
Parallel strand Lumber
Structural sawn lumber
Below is modification factor involved in bending stress design EXCEPT
Duration of loading, K1
Depth factor, K6
Notched member, K4
Form factor, K5
What is the permissible bending stress for 38mm x 150mm timber joists if the bending grade stresses parallel to grain given as 14.2 N/mm2. The duration of loading for these timber joists is long-term loading.
11.65 N/mm2
15.62 N/mm2
15.26 N/mm2
14.62 N/mm2
What is the effective length for 3.5meter height column with end of fixed-pinned condition?
2.45 m
7.00 m
3.50 m
2.98 m
What is a mode of failure for the short column?
Buckling only
Shearing and crushing
Shearing and buckling
Crushing and buckling
What is the applied tensile stress if the tensile force for the tie structure is 15kN and the net area is 3800mm2?
395.0 N/mm2
39.50 N/mm2
3.95 N/mm2
39.55 N/mm2
Which one is NOT TRUE about Permissible Stress Design Approach?
Timber members are designed such that applied stresses do not exceed the permissible stresses given in MS 544
Stresses must remain within elastic limits
Safety factors based on partial safety for loads and materials
It applies a factor of safety (FOS) to the material's ultimate strength
What is grade stresses?
The stresses which can safely be sustained by a structure component under the particular condition of service and loading
The stress which can be safely be permanent sustained by timber of a particular grade such as select, standard or common
The stress that can safely be permanent sustained by timber containing no strength reducing characteristics
What is permissible stresses?
The stresses which can safely be sustained by a structure component under the particular condition of service and loading
The stress which can be safely be permanent sustained by timber of a particular grade such as select, standard or common
The stress that can safely be permanent sustained by timber containing no strength reducing characteristics
What is basic stresses?
The stresses which can safely be sustained by a structure component under the particular condition of service and loading
The stress which can be safely be permanent sustained by timber of a particular grade such as select, standard or common
The stress that can safely be permanent sustained by timber containing no strength reducing characteristics
How many strength group categorized in MS 544:Part 2: 2017?
5
7
10
How to make sure timber is durable and can sustained long-lasting?
Choose timber with knot and wane
Choose matured timber and naturally durable timber
Choose untreated timber
Factors below affect the strength of timber EXCEPT
Colour of fibre
Timber defects
Moisture content
Density
What is natural defects?
Defects occur due to changes in moisture content
Defects occur due to misleading in the milling techniques
Defects occur during the growing period
Below are the statement for load-sharing system, EXCEPT
Spacing of members must not be more than 610 mm
E minimum is used to calculate the deflections of the beam
There must be at least four or more members
Value of the load-sharing system is 1.1
The failure in compression members influenced by several variable such as below EXCEPT
Slenderness ratio
Permissible stress of the material
Cross-sectional shape of member
Straightness with limiting bow more than 0.003L
What is the effective length formula for fixed-pinned end condition in column?
0.7 x length
1.00 x length
0.85 x length
2.00 x length
Permissible stress in tension member is governed by
k1 , k2 , k8
k1 , k2, k5, k6
k1 , k2, k4
k1 , k2, k10
Which one is NOT a procedure in timber beam design?
Shear stress
Lateral stability
Slenderness ratio
Bending stress
