Below what psi will the spring breaks in a straight truck bring you to a stop
20 psi
At what psi will the safety valve automatically set
150 psi
if your truck hasa properly functioning air brake system how many seconds will it take for the tanks to build from 85 to 100 psi.
45 seconds
a straight truck or bus air brake system should not leak at the rate of how many psi per min, engine OFF and brakes RELEASED.
2 psi
The air compressor stops pumping at what psi?
125 psi
the driver must be able to see the low air pressure warning device before the pressure in the service air tanks reaches what psi?
60 psi
the air loss rate for a straight truck or bus with the engine OFF and the brakes ON sould not be more than?
3 psi in 1 min
how many feet does the air brake lag on dry pavement add at 55mph?
32 feet
an air brake system is fully charged at how many psi
125 psi
a truck or bus brake system should not leak more than how many psi per min with the engine OFF and the brakes RELEASED
2 psi per min
the safety valve discharges automatically if pressure reaches how many psi
150 psi
the air compressor governer controls
when air is pumped in to the brakes
the proper use of the brakes on a long steep grade after selecting thej proper gear is to brake until your speed is about how many mph below the posted speed before releasing the brake.