Driving Safety: Signals, Signs and Pavement Markings II Questions taken from the PA Drivers' Manual Progress Indicator: Question 3 of 27 3.  The flow test results at 0-5280 feet at a cylinder pressure of __________ shall be __________ liters per minute. Choices: 1700-2000, 1.8-2.4 1500-2200, 1.8-2.4 1500-2000, 1.8-2.5 None of the above