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Ques.1) a) Write the parallel and perpendicular axis theorems. b) What are Flitched Beams. Write the assumptions of analyzing the Flitched Beams. c) Write down the Eider's and Rankine, s formula for...

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Ques.1) a) Write the parallel and perpendicular axis theorems. b) What are Flitched Beams. Write the assumptions of analyzing the Flitched Beams. c) Write down the Eider's and Rankine, s formula for finding out the buckling load in columns. d) Define: Section modulus, Moment of' nertia, Skin stresses and Slenderness ratio. (2x4-8)
Section: B (Note: Attempt any two questions) (A k,x2,8) Ques.2) A column of timber section XXXXXXXXXXmm is 6n-t long with both ends fixed. If the young's modulus for timber is 17500°,,iinlin2 Determine: I . Crippling load 2. Safe load for column if the factor of safety is 3. Ques.3) A timber beam 150mm wide and 300mm deep is reinforced with two steel flitches 300n-im deep and 12mm thick on both sides . If the maximum stress in the timber beam is 7N/mm2. find the corresponding stress attained in steel. Also find the moment of resistance of the composite section. Take E for steel= 2x105 N/mm2 and for timber-lx104 Nimm2. Ques.4) Find the maximum torque,that can be applied safely to a shaft of 200 ram diameter. The permissible angle of twist is 0.25 dem& metre length and the shear stress is not to exceed 45N/mm2. Take C--= 8x104 N/rnm2.
(Note: Attempt any one question) (10-A) Ques.5) Derive the flexural equation. # Ques.6) Derive the torsional equation.
Section: C
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Answered Same Day Dec 21, 2021

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David answered on Dec 21 2021
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