Match all the possible combinations between Column X (Cement compounds) and Column Y (Cement properties) :

Column X	Column Y
(i) $${C_3}S$$	(P) Early age strength
(ii) $${C_2}S$$	(Q) Later age strength
(iii) $${C_3}A$$	(R) Flash setting
	(S) Highest heat of hydration
	(T) Lowest heat of hydration

Which one of the following combinations is correct?

Given that the scope of the construction work is well-defined with all its drawings, specifications, quantities and estimates, which one of the following types of contract would be most preferred?

As per Indian standards for bricks, minimum acceptable compressive strength of any class of burnt clay bricks in dry state is

Bull's trench kiln is used in the manufacturing of