Concrete In Building Materials - Concrete In Building Materials objective questions and answers

1.  The shrinkage of ordinary concrete is about

   A. 0.1 to 0.3 mm/m

   B. 0.3 to 0.6 mm/m

   C. 0.6 to 1.2 mm/m

   D. 1.2 to 2 mm/m

2.  The orientation of aggregate in concrete is

   A. Random

   B. Preferred

   C. Bidirectional

   D. Angular

3.  The microscopic nature of concrete is

   A. Transverse

   B. Orthotropic

   C. Isotropic

   D. Heterogeneous

4.  The durability of concrete is proportional to

   A. Sand content

   B. Water cement ratio

   C. Cement aggregate ratio

   D. Aggregate water ratio

5.  Continued hardening of concrete is accounted by

   A. Hardening Index

   B. Creep intercept

   C. Age factor

   D. Shrinkage index

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