During a static leakage test, the maximum leakage rate for a triple combination vehicle with air brakes is ____ in a minute.

When performing a static leakage test on a triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
DMV Writen Test