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Q1— Section header —
1.1Indicate whether the following statements are TRUE or FALSE by writing only 'True' or 'F alse ' next to the question number (1.1.1
1.1.5\in the ANSWER BOOK.
1.1.1Knots should be considered when structural timber is cut and graded.
1.1.2Timber has a high tensile strength perpendicular to its grain.
1.1.3The pull out resistance of a nail inserted perpendicular to the grain is stronger than the resistance of a nail inserted parallel to the grain.
1.1.4The seasoning of timber is a process used to lower the moisture content level.
1.1.5
Q2— Section header —
2.1State the technical terms used to describe the following processes in a mechanical engineering environment
2.1.1The process of cutting metal using different saws
2.1.2The process of neatening the edges of a metal
2.1.3The process of cutting metal sheets accurately
2.1.4The process of cutting metal with a plasma torch
2.1.5
2.4We normally see large portion of steel used as construction material, while other metals such as aluminium are used only in small portion As a civil engineering student
2.5What kind of a metal w ould you select for the following application in construction?
2.5.1Plumbing
2.5.220
Q3— Section header —
3.1Steel is prone to corrosion, especially when exposed to moisture. Explain how you would store steel in the stockyard to prevent corrosion damage. (5\
3.2Make TWO simple sketches to illustrate horizontal and vertical bracing. (6\
3.3Why is a base plate needed at the end of a steel column? (1\
3.4Give TWO main functions of olding own bolts for steel structure
3.5Explain the term shims and their function in the steel structure industry (2\
3.6List FOUR aspects that should be checked by the contractor before issuing the handover certificate. [20]20
Q4— Section header —
4.1Describe steps that should be followed to prevent bimetallic or galvanic corrosion. (5\
4.2Name FOUR elements of corrosion. (4\
4.3Explain the process of hot dip galvanising of fabricated steel articles. (2\
4.4Describe what hot dip galvanised coating products should look like (4\
5.1There are various parameters that can affect the quality of a weld. Name any FIVE of these parameters. (5\
5.2Name FIVE safety gear items needed during welding works. (5\
5.3Electric shock remains a life threatening ha rd in the workshop. As a health and safety representative officer, educate workers about the importance of
Q6— Section header —
6.1Explain where you would use the following types of glass in the construction industry
6.1.1Toughened glass
6.1.2Laminated glass
6.1.3
6.2Explain how you should store glazing putty. (2\
6.3Give THREE advantages of aminated glass. (3\
6.4What kind of drill bit is needed to drill a hole through float glass? (1\
6.5Name a tool that is used to shape putty when glazing (1\ [10] TOTAL: 10010