Consider the following compounds of cement:
(A) C\(_2\)S
(B) C\(_4\)AF
(C) C\(_3\)S
(D) C\(_3\)A
The correct sequence of these compounds in the decreasing order of rate of hydration is:
In cement, generally the increase in strength during a period of 14 days to 28 days is primarily due to


Consider the following four words, out of which three are alike in some manner and one is different.
(A) Arrow
(B) Missile
(C) Sword
(D) Bullet
Choose the combination that has alike words.