Autoclaved aerated concrete is quite different from dense concrete (ie: ânormal concreteâ) in both the way it is produced and in the composition of the final product. Dense concrete is typically a mixture of cement and water, often with slag or PFA, and fine and coarse aggregate.roduction. Autoclaved aerated concrete is cured in an autoclave-a large pressure vessel. In aircrete production the autoclave is normally a steel tube some 3 metres in diameter and 45 metres long.
The result is given in cubic inches. Engine displacement is the volume swept by all the pistons inside the cylinders of a reciprocating engine in a single movement from top dead centre (TDC) to bottom dead centre (BDC).
engine definition, meaning, what is engine: a machine that uses the energy from liquid fuel or steam to produce movement: . Learn more.