Q1. Consider the following statements for selecting building stones:
- (1) Seasoning of stones is essential and is done by soaking in water
- (2) Specific gravity of stone is to be more than 2.7
- (3) Porosity of stone affects its durability
- (4) Climatic conditions decide the type of stone to be used in construction
- (a) 1, 2 and 3 only
- (b) 1, 2 and 4 only
- (c) 1, 3 and 4 only
- (d) 2, 3 and 4 only