ATPL exam question that's bugging me!
Hiya,
I've just taken the August exams and one question is still on my mind. Here it is:
In what units are pressure measured?
1. PSI
2. N/dm squared
3. something else
Now, strictly speaking the SI unit of pressure is the Pascal (N/m squared), but here there appear to be two possible answers. PSI is the Imperial unit, and still used widely. But the "N / decimetre squared" is also correct, but just not the correct SI format!
Any suggestions ????
cc