(a) Calcination and hydration (b) Slaking and hardening (c) Dehydration and carbonation (d) None of the above Answer: (c)
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(a) Calcination (b) Slaking (c) Setting (d) Hardening Answer: (b)
(a) Cooling (b) Grinding (c) Heating (d) All the above Answer: (c)
(a) As binder to join bricks or stones (b) As fine aggregate in concrete. (c) To make construction durable (d) None of the above Answer: (a)
(a) Basalt (b) Granite (c) Sand stone (d) Slate Answer: (d)
(a) Crystalline granular rocks are formed when magma is cooled suddenly (b) Stones formed due to chemical reactions are crystalline (c) Granite can be easily dressed (d) Carving work can be done on sand stones Answer: (d)
(a) Artificial marble (b) Ford (c) Cement concrete block (d) Chemical stone Answer: (a)