The capacity of flushing cisterns for urinals is generally 

Explanation:

Flushing cistern

• A flushing cistern is responsible for delivering water to flush the urinal after use, removing waste and maintaining cleanliness. The 5-liter capacity is often considered sufficient for effectively flushing a urinal without wasting excessive amounts of water.
• It's important to note that there can be variations in the capacity of flushing cisterns based on regional standards, building codes, or specific requirements.
• However, 5 liters is a commonly used capacity for flushing cisterns in urinals.

Additional Information Urinals are of different shapes and sizes. They can be mainly grouped into the following two categories:

I) Bowl type or basin type urinals:

• Bowl type of urinals is used for private buildings

ii) Stall type or slab type urinals

•   The stall-type urinals are used in public buildings like cinema hall, hospitals, etc
• The usual centre to centre spacing of the urinal units is about 600 mm.
• The contents of the urinal units are collected and discharged into soil pipe through a nahani trap.