Q. The average 28 days compressive strength of at least three 15 cm concrete cubes prepared with available water as compared to the average strength of three similer concrete cubes prepared with distilled water, should be at least

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Q. The thickness of flat single lacing is, taken (where l is effective length of the bar).

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Q. As per IS : 1982, the permissible axial tension in rolled I-beams and channels, is

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Q. The total area of side face reinforcement, in case of a deep beam should not be less than

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Q. The width of lacing bars in mm is kept

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Q. The individual part of the structures is subjected to a load test for 24 hours by applying a load equal to full dead load of the structure plus

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Q. If the ends of the compression flanges of simply supported girders are fully restrained against lateral bending, the effective length is taken as

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Q. If the ratio of effective span to overall depth of a simply supported beam is less than 1, the lever arm is

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Q. M 30 grade concrete means, its compressive strength of 15-cm cube, is 30 N/mm² after

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Q. The effective length of lacing is the distance

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Q. The tolerances for the form work of columns and beams range from

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Q. A column of rectangular section is considered short, if both the slenderness ratios are less than

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Q. The maximum bending moment in a purlin of length L when subjected to a distributed load ω, is assumed

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Q. The actual length of a column provided with a cap and base, is the distance between

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Q. For under water concreting.

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Q. The greater clear dimension of web of thickness't' should not exceed

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Q. The minimum thickness of the web plate for a crane gantry plate girder with a lifting load exceeding 15 tonnes, is

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Q. Pick up the correct statement from the following:

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Q. The ratio of the effective lengths of two columns, one effectively held in position at one end and partially restrained at the other end, and the other effectively held in position at one end and free at the other end, is

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Q. Minimum diameter of the lateral ties should not be less than

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