Bull's trench kiln is used in the manufacturing of
What property of mortar is adjusted by using sand?
The optimum number of revolutions required for concrete to be properly mixed in a mixer machine is
What is the typical percentage of silica fume added by mass of cement in high-performance concrete?
Plain cement concrete is strong in _____ and weak in _____.
To control the alkali-aggregate reaction, what should be the limit of the alkaline content in cement?
The Le-Chatelier’s apparatus is used to determine
What is the role of magnesia as a constituent of brick?
FIDIC stands for
Which of the following statement is not true about fresh concrete?