Which of the following are the desirable properties for efficient functioning in design for movement joint of water tank?1. The joint should accommodate repeated movement of the structure without loss of water-tightness2. The design should provide for exclusion of grit and debris which would prevent the closing of the joint3. The material used in the construction of movement joints should not slump unduly in hot weather or become brittle in cold weather

• A. 1, 2 and 3
• B. 1 and 2 only
• C. 1 and 3 only
• D. 2 and 3 only