Q. The concrete may be accepted if the average equivalent cube strength of the cores, is at least 85% of the cube strength of the concrete grade at the specified age and no individual core possesses strength less than

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Q. The slenderness ratio of a tie in a roof truss if subjected to action of wind and seismic forces, should not be greater than

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Q. For concreting of shallow sections with vibration, the work ability of concrete should be

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Q. The slenderness effect of a wall is considered if the effective height of the wall exceeds the thickness

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Q. For achieving suitably a low permeability

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Q. Minimum thickness of steel work directly exposed to weather and accessible for cleaning and repainting, the thickness should be not less than

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Q. In limit state method, the design bond stress of M 30 grade concrete for plain bars in tension, is

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Q. If the end of a beam of span L carrying a designed load W is partially restrained by a built up wall, it is designed to resist the negative moment at the face of the support, equal to

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Q. Generally acceptable nominal size of aggregates for reinforced concrete, is

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Q. Moist sand may contain surface water by mass upto

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Q. The minimum horizontal distance between two parallel main reinforcing bars, is

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Q. Pick up the correct statement from the following:

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Q. Pick up the correct statement from the following:

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Q. The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than

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Q. Removal of props under

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Q. To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mixing time may be

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Q. For the proportions

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Q. Columns are designed for a minimum eccentricity equal to 1/30 (unsupported length ofthe column), subject to a minimum of

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Q. If fck is the characteristic cube strength of concrete in N/mm², the modulus of elasticity of structural concrete Ec = a√fck where the value of a, is

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Q. The effective depth of a shallow beam is the distance between

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