Download PTU B.Arch 2020 Dec 2nd Sem 45095 Theory Of Structures I Question Paper

Roll No.

Total No. of Questions : 09 Total No. of Pages : 02

B.Arch. (2012 & Onwards) (Sem.-2)

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THEORY OF STRUCTURES-I

Subject Code : BACH-207 M.Code : 45095

Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. Attempt total FIVE questions. Question no. 1 is compulsory.

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2. Missing data, if any may be assumed suitably.
3. Draw neat sketches wherever necessary.

1. a) What do you understand by Young's Modulus of Elasticity? 2
2. b) What is a Perfect Frame? 2
3. c) Define the term “Section Modulus'. 2

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4. d) State Triangle law of forces. 2
5. e) Name various Gravitational loads? 2
6. f) Differentiate between a Cantilever and Simply Supported beam. 2

2. Explain various loads (as per IS 875) acting on the structures. 12
3. Explain various Force systems acting on a body in brief with the help of sketches. 12

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4. a) State and prove 'Theorem of Parallel Axis'. 4
5. b) Find Moment of Inertia (Ixx and Iyy) of an unequal angle section 150mm × 100mm × 10mm with longer leg vertical. 8
6. a) Define centroid and centre of gravity. 4
7. b) Find Moment of Inertia (Ixx and Iyy) of an inverted T-section 150mm × 150mm × 10mm. 8
8. a) Derive the ‘Basic Equation of Bending'. 6

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9. b) A simply supported rectangular beam 75 × 100mm of 5m span placed with longer leg vertical, carries a u.d.l. of 5kN/m over the whole span. Calculate the maximum bending stress developed in the section. 6
10. A simply supported beam of span of 12m span carries a concentrated load of 4 kN, 5 kN and 3 kN at distance of 3m, 6m and 9m respectively from left hand support. Calculate maximum shear force and bending moment. Also draw SFD and BMD. 12
11. Write short notes on :
    1. Neural Axis 3
    2. Moment of Resistance 3
    3. Young's Modulus of Elasticity 3

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    4. Shear Modulus 3
12. Explain classification of frames in brief. What are the assumptions made for the analysis of frames? 12

NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any paper of Answer Sheet will lead to UMC against the Student.

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