Structural mechanics
Previous year question paper with solutions for Structural mechanics May-2017
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Question paper 1
SECTION-A
Q1. Fill in the blanks:
a. The strain has .......... units
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Read moreb. The effect of tensile force is to ............... the length of the body.
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Read morec. Mild steel is ............... material.
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Read mored. A beam whose ......... are fixed is called fixed beam
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Read moree. A horizontal structural member which carries transverse load is called ............
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Read moref. The M.O.I. about Z axis is also called…………….
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Read moreg. Bulk modulus (K) = ................ / ...................
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h. The inclined line on bending moment diagram indicates ...........
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i. Slope and deflection are both maximum in cantilever beam at ………. end.
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Read morej. The positive B.M. is called ............... moment
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Read morek. Euler`s formula is applicable for…………… .
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Read morel. The limit of deflection in a simply supported beam is ………….
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Read morem. A frame in which n=2j-3 is known as ……………….
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Read moren. The shear stress at N.A. is ……………..
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Read moreo. In case of eccentric loading the total stress ………………
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Read moreSECTION-B
Q2. Attempt any five questions.
a. Define elastic constants. Give the relationship between them.
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Read moreb. Draw a typical stress-strain curve for mild steel specimen and mention briefly its salient features
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Read morec. Define section modulus and radius of gyration.
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Read mored. Write the salient features of S.F.D. and B.M.D.
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Read moree. What are the various types of loads? Explain briefly
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Read moref. What are temperature stress and strain? Briefly explain with end conditions
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Read moreg. What is the necessity of calculating Slope & Deflection?
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Read moreSECTION-C
Q3. Attempt any three questions.
a. A hollow steel column of external diameter 300 mm is subjected to an axial compressive load of 4400 KN. If the ultimate stress of the material is 300 N/mm2 and factor of safety is 3 than determine the internal dia. Of the column
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b. A beam PQ 10m long has supports at its end P and Q. It carries a point load of 6KN at 2m from P and point load of 6 KN at 8m from P and u.d.l. of 4 KN b/w the point loads. Draw the S.F.D. and B.M.D.
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c. Find the M.O.I. of T-section of (Top Flange= 150X50mm, Central= 50X150mm, Overall depth= 200mm) about X-X axis and Y-Y axis passing through its c.g.
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d. A 3m long cast iron column has a circular cross section of dia 80mm. one of the end of the column is fixed and other is free. Taking the factor of safty as 2.5. Calculate the safe load using. i. Rankine`s formula. Take yield stress σc = 550 N/mm2 and a= 1/160 ii. Euler`s formula. Take E= 1.3X105 N/mm2 .
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