31. The horizontal d.p.c. is placed not less than150 mm above the
32. The maximum thickness for hardcore when used below oversite concrete is normally
33. The minimum lap for a flexible d.p.c. is
34. The number of layers in which the slump cone is filled and the number of times each layer is rodded is
35. The type of aggregate used for the manufacture of lightweight concrete blocks is
36. The type of material suitable for a flexible d.p.c. is
37. The use of wall plates on the top of sleeper walls is to
38. The usual test for the workability of concrete is the
39. To keep the bed joints to the required thickness, it is advisable to
40. To prevent the occurrence of dry rot below hollow timber ground floors, it is necessary to
MCQ Multiple Choice Questions and Answers on Concrete Technology
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Concrete Technology Question and Answer
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