Home » Capacity of flushing cistern is usually Estimation and Costing MCQs Capacity of flushing cistern is usually April 23, 2022 35 Views Q. Capacity of flushing cistern is usually A. 1 Litre B. 5 Litre C. 12 to 15 Litre D. 20 to 25 Litre Answer: 1 Litre