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30 May 2013

Test Youur Civil Enginering skills

By : Unknown
On : 07:38
In :


  • Question 1 of 15
    #1
    Why is Gypsum Added to Cement?
    It reduces the production cost of cement
    It acts as a retardation agent and controls the setting period
    Gypsum is a coloring agent
    0% Completed

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Test Youur Civil Enginering skills