property number + unit a measured amount
pump pressure
The rated brew pressure the machine's pump develops, as a numeral with a pressure unit (typically bar; 9 bar is the espresso extraction standard, many consumer machines advertise 15 bar). Required: every pump espresso machine states it. Homes on EspressoMachine — a drip or pod coffee maker has no positive-displacement brew pump and cannot state it.
Pump pressure is a measured figure, given in bar.
It belongs to measurement — its measurable, physical facts.
asked by the kinds that answer it
1 kind answers it, each for a single value. The same question can be reused by unrelated kinds — one meaning, many homes.
asked by kinds that answer it
The same question can be reused by unrelated kinds — one meaning, many homes.
| kind | how many |
|---|---|
| espresso machine | required · one |