Q$2.$Answer the following,

A$.$ A building has $200$ apartments with one bedroom, determines the capacity of the water tank? $(2$ marks$)$

B$.$ You required to determine heater and storage tank size for central water heater for an apartment building with total fixture numbers are, $60$ Lavatories, $30$ bathtubs, $30$ showers, $60$ kitchen sinks$,15$ laundry tubs. $($use GPH$)(2$ marks$)$