Building Construction Questions and Answers – Systems of Plumbing
This set of Building Construction Multiple Choice Questions & Answers (MCQs) focuses on “Systems of Plumbing”. 1. The single stack system if effective only in the case when the traps are filled with water seal of depth not less than _________ a) 15 mm b) 50 mm c) 75 mm d) 100 mm 2. Partially … Read more