Concrete Technology - Concrete Technology objective questions and answers

31.  The increased cohesiveness of concrete, makes it

   A. Less liable to segregation

   B. More liable to segregation

   C. Less liable to bleeding

   D. Less liable for surface sealing in frosty weather

32.  Fresh concrete is an example of ( regrading flow )

   A. Non-Newtonian type

   B. Newtonian type

   C. Lagrangian type

   D. Eulerian type

33.  Aggregate in concrete is oriented

   A. Randomly

   B. In preferred direction

   C. At 10 degree inclination

   D. Unidirectionally

34.  Poission's ratio of cement concrete is about

   A. 0.50

   B. 0.40

   C. 0.16

   D. 0.28

35.  The concrete crack sealing material, in common use, is

   A. Polystyrene

   B. Epoxy

   C. Butyl

   D. Neoprene

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