Final answer:
The correct answer is c) Hollow tile. A hollow tile of fired clay used in building walls and partitions is known as a hollow tile, which is a type of terracotta.
Step-by-step explanation:
The hollow tile of fired clay with parallel cells or cores described in the question is known in the construction industry as a c) Hollow tile. Hollow tiles are a type of terracotta, which is a clay-based earthenware typically used in building walls and partitions.
These tiles offer structural stability while providing insulation due to the air trapped within the parallel cores or cells. Terracotta, translating to "baked earth," is very different from other types of tiles like terrazzo tile, which is a polished decorative surface, quarry tile, made of a dense type of red clay, or porcelain tile, which is a ceramics tile with a water absorption rate of less than 0.5 percent.