Concrete Technology And Design Of Concrete Structures MCQ
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Workability of concrete is directly proportional to
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The approximate value of the ratio between direct tensile strength and flexural strength is
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The factor of safety for
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Diagonal tension in a beam
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In counterfort retaining walls, the main reinforcement in the stem at support is
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The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)
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Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to
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In prestressed concrete
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For a reinforced concrete section, the shape of shear stress diagram is
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Finer grinding of cement
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The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is
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Due to circumferential action of the spiral in a spirally reinforced column
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As compared to ordinary portland cement, use of pozzuolanic cement
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Most common method of prestressing used for factory production is
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The property of the ingredients to separate from each other while placing the concrete is called
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Air entrainment in the concrete increases
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The limits of percentage p of the longitudinal reinforce-ment in a column is given by
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Prestress loss due to friction occurs
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Increase in the moisture content in concrete
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In case of hand mixing of concrete, the extra cement to be added is
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Minimum pitch of transverse reinforcement in a column is
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Ratio of permissible stress in direct compression and bending compression is
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The load factors for live load and dead load are taken respectively as
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A beam curved in plan is designed for
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Approximate value of shrinkage strain in concrete, is
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As compared to ordinary portland cement, high alumina cement has
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For walls, columns and vertical faces of all structural members, the form work is generally removed after
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The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
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In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always
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While designing the pile as a column, the end conditions are nearly