Strength of Materials and Structures N6 December Past Papers and Memos

1. Q1 Thick CylindersTwo hollow cylinders were shrunk together to form a compound cylinder with an inner 16 marks
2. Q2 Tension in CablesThe supports of a suspension bridge are 1 000 m apart and differ 10 m in length. Each 11 marks
3. Q3 Bending and Twisting of ShaftsA solid shaft with a diameter of 100 mm is subjected to a maximum torque of 6 kNm as 13 marks
4. Q4 Bending and DeflectionA parallel flange I-section 406 × 178 × 74,8 kg/m is simply supported over a total length 10 marks
5. Q5 Combined Direct and Bending StressA column with a weight of 1 200 N and a diameter of 150 mm supports its own weight
6. Q6 Shear Stress in BeamsAn I-beam with dimensions of 100 mm × 150 mm is used as a beam with the longest 13 marks
7. Q7 Close-Coiled Helical SpringsA safety buffer must stop a loaded goods carriage with a kinetic energy of 1 kJ. The 10 marks
8. Q8 Transformation of StressThe in-plane stresses on an element are shown below: 13 marks

Instructions to candidates

1. Answer all the questions.
2. Read all the questions carefully.
3. Number the answers according to the numbering system used in this question paper.
4. Start each question on a new page.
5. Use only a black or blue pen.
6. Write neatly and legibly. (8060076) -3-