Design of Concrete Structures-Data Intensity 4 Multiple Questions and Answers.




6.The individual variation between test strength of sample should not be more than_____?
A. ±5% of average
B. ± 10% of average
C. ± 15% of average
D. ±20% of average

7.For walls, columns and vertical faces of all structural members, the form work is generally removed after_____?
A. 24 to 48 hours
B. 3 days
C. 7 days
D. 14 days

8.For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is_______?
A. 50 mm
B. 75 mm
C. 100 mm
D. 120 mm

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