Khyber PakhtunKhwa Board of Technical Education Peshawar
Diploma of Associate Engineer
2nd Year Architecture Technology (New Course)
Annual Examination 2012
Paper: - Structure Mechanics & R.C.C Design (AR-214)
Paper – A
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Time Allowed: - 03 Hours. Marks: -75
Note: - Attempt any five questions. Each question carries equal marks.
Q.1: - (a) Explain modules of elasticity and give value for modules of elasticity for steel. (5)
(b) Draw stress –strain diagram for Mild steel and Define (10)
Q.2: - (a) State the difference between Stress & Simple Stress. (5)
(b) An elastic rod 15 mm in diameter & 20 m long extend by 2mm under a Tensile load of 60 KN.
Find the Intensity of stress & strain. (10)
Q.3: - (a) Describe the difference between Centre of Gravity and Centroid. (5)
(b) Find the position of centre of Gravity for a T-Section, 200 mm wide x 100 mm deep. (10)
Overall Thickness of Flange = 9mm
Thickness of Web = 7.8mm
Q.4: - (a) Explain the term moment of Inertia. (5)
(b) Find the moment of Inertia for a hollow shaft 8 cm internal diameter and 10cm external
diameter (10)
Q.5: - (a) Define Shear Force & Shear Stress (5+5+5)
(b) Define Bending stress & bending moment
(c) Define Centilever beam & continuous beam
Q.6: - (a) A simply supported beam of 10m length carrier a U.D.L of 3 t/m over the entire span.
Calculate and draw the S.F and B.M diagram. (10)
(b) State conditions for Equilibrium of a beam. (5)
Q.7: - (a) Define Deflection of beams. (5)
(b) A cantilever 12cm wide and 20cm deep is 2.5m long, what U.D.L should the beam
carry to produce a deflection of 0.5cm at the free end. Take E = 2x106 Kg/cm2 (10)
Q.8: - Write note on the following terms: - (5+5+5)
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