South Carolina · Defensive Driving
PSI, referenced for tire inflation in the South Carolina Driver's Manual, stands for:
- Pressure per Standard Interval
- Pounds per Square Inch
- Pounds per Standard Inch
- Pressure Sensor Indicator
Correct answer
Pounds per Square Inch
Why this is correct
Correct answer: Pounds per Square Inch. Source: South Carolina Driver's Manual, page 26. Topic: Vehicle Equipment.
South Carolina Driver Handbook, p. 26