Computer · Building Materials

Study the following statements and identify the correct combination of statements: Statements: (A): Sun-dried bricks are classified as I class, II class, III class and IV class. (B): IV class bricks are used as aggregate for concrete in foundations, floors, roads etc. (C): Class I & II bricks satisfy all the qualities of good bricks. (D): Class III bricks give a dull sound when struck with each other.