१. The limiting the value of the neutral axis X4,max/d for the grade of steel fy = 500 N/mm2 is:
- 0.44
- 0.53
- 0.48
- 0.46
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२. The work on a unit volume of material as a simple tensile force is gradually increased from zero to the value causing rupture is called :
- modulus of elasticity.
- modulus of tangent.
- modulus of toughness.
- modulus of resilience.
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३. Increased depth of the beam causes:
- Increased stiffness of the section
- Economy in steel
- Economic in concrete
- All of the above
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४. The coefficient of earth pressure for a loose sand having an angle of internal friction of 300 is :
- 0.5
- 1/3
- 3
- 1
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५. Darcy's law relates the rate of laminar flow in a saturated soil mass to:
- time
- hydraulic gradient
- radius of the flow
- soil properties
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