The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m w

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The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length, is (where I_c is the M.I. at the crown, which varies as the slope of the arch).
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A.
B.
C.
D.
E.

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1. A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is
Options
A.
B.
C.
D.

3. is the equation of Euler's crippling load, if
Options
A. both the ends are fixed
B. both the ends are hinged
C. one end is fixed and other end is free
D. one end is fixed and other end is hinged.

4. A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100�C. If ?_steel = 0.000012/C�, E_steel = 0.2 MN/mm², the tensile force developed at a temperature of 50�C, is
Options
A. 80 N/mm²
B. 100 N/mm²
C. 120 N/mm²
D. 150 N/mm²

5. A steel bar 5 m x 50 mm is loaded with 250, 000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson's ratio is 0.25, the change in the volume of the bar is :
Options
A. 1.125 cm³
B. 2.125 cm³
C. 3.125 cm³
D. 4.125 cm²

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