Strength Of Materials And Structures N5 — Document

August 2019 — N5 — Strength Of Materials And Structures

N5 2019 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 7 pages 📝 29 items found

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Q1— Section header —

1.1Draw a stress/ strain graph of a mil steel specimen being tested for failure when under tension and indicate the following:

1.1.1Limit of proportionality

1.1.2Elastic limit

1.1.3Yield point

1.1.4Maximum load point (Ultimate tensile strength\

1.1.5Point of fracture (5 (5\

1.2The mechanical properties of an aluminium alloy is analysed using a tensile testing machine as shown in FIGURE 1. The test piece is 13 mm in diameter and has a gauge length of 70 mm. FIGURE 1 The following results

1.2.1tress at the limit of proportionality

1.2.2Young s modulus of elasticity

1.2.3Ultimate tensile strength

1.2.4Fracture stress

1.2.5Percentage elongation (5 (10\ [15]15

Q2— Section header —

2.1Pitch of rivets, taking double shear strength as 1,75 times that of single shear (4\

2.2Suitable joint efficiency (10\ [14]14

Q3— Section header —

Q4— Section header —

4.1Draw the shear force diagram. (5\

4.2Draw the bending moment diagram. (6\

4.3Calculate the positi on on the cantilever where the s hear force is zero. (4\ [15] 4 N/m15

Q5— Section header —

5.1osition of t he neutral axis about both axes (4\

5.2ome nt of inertia about the xx axis (6\

5.3oment of inertia about the yy axis (6\

5.4aximum and minimum se ction modulus about the xx axis (6\

5.5alue of the poin t load that can be placed at mid span of the beam (7\ [29] 64 9,65 kg/m 25429

Q6— Section header —

6.1raphically determine the magnitude and type of force acting in the following membe rs of the pin jointed framework shown in FIGURE 5 FIGURE 5 [8] TOTAL:8

Mark Allocation

Total100 marks

Sections15 + 14 + 19 + 15 + 29 + 8 = 100 marks

Paper information

TitleDocument

SubjectStrength Of Materials And Structures

LevelN5

Document typeQuestion paper

Year2019

MonthAugust

Pages9

Downloads3

Examination context

Decade2010s

Years ago7y

SeasonWinter (SH)

Start dayThursday

Exam periodAugust 2019

Days since exam2,630

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File size366.8 KB

Pages9

Archived on8 September 2026

File age49d

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Fingerprint5C882FDCB0AB

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