Georgia Class F drivers license question and answers
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A dual air brake system. - Has two separate air brake systems which use a single set of
controls. Each system has its own air tanks, hoses, lines.
Air Compressor Governor - Controls when the air compressor will pump air in to the air
storage tanks
At 55 mph approximately how many seconds does it take to come to a stop - 6 seconds
At what level PSI does the air compressor governor cut in - 100 PSI
At what level PSI does the air compressor governor cut out - 125 PSI
At what PSI is the Safety Valve usually set to open at - 150 PSI
At what PSI will Spring Brakes become fully on - Spring brakes will come on if the air
pressure drops to a range of 20 to 45 PSI (typically 20 to 30 PSI)
During a Trip Inspection, when should you check your truck - Check for the first time at 1
hour of driving, then every 150 miles, or 3 hours after that
How do you calculate stopping distance? - Perception time + reaction time + braking
distance = stopping distance
, How do you test brakes? - Drive 5 mph then use brake to make sure vehicle stops
How do you test parking brake? - Set brake, then use low gear to pull against it and make
sure vehicle doesn't move
How do you test trailer brakes? - Set trailer brake only, shift in to a low gear and pull
against it
How do you test your air breaks - Pump 3 times and then hold the break on the 4th
How many different types of retarders are there - There are 4. Exhaust, Engine, Hydraulic,
and Electric
How many seconds ahead should you look while driving - Always look 10-12 seconds
ahead while driving
How many steps should you use to inspect your Air Brakes - 7 steps
How much play are leaf springs allowed to have - Leaf springs are only allowed to have 1"
of play or less
If ABS fails - Do not stop immediately, service soon
Low Air Pressure Warning - Cuts on at 55 PSI. On larger buses it is common for it to come
on at 80-85 PSI
Oil pressure should be between ____psi at idle - 5-20 psi
flashcards newest
A dual air brake system. - Has two separate air brake systems which use a single set of
controls. Each system has its own air tanks, hoses, lines.
Air Compressor Governor - Controls when the air compressor will pump air in to the air
storage tanks
At 55 mph approximately how many seconds does it take to come to a stop - 6 seconds
At what level PSI does the air compressor governor cut in - 100 PSI
At what level PSI does the air compressor governor cut out - 125 PSI
At what PSI is the Safety Valve usually set to open at - 150 PSI
At what PSI will Spring Brakes become fully on - Spring brakes will come on if the air
pressure drops to a range of 20 to 45 PSI (typically 20 to 30 PSI)
During a Trip Inspection, when should you check your truck - Check for the first time at 1
hour of driving, then every 150 miles, or 3 hours after that
How do you calculate stopping distance? - Perception time + reaction time + braking
distance = stopping distance
, How do you test brakes? - Drive 5 mph then use brake to make sure vehicle stops
How do you test parking brake? - Set brake, then use low gear to pull against it and make
sure vehicle doesn't move
How do you test trailer brakes? - Set trailer brake only, shift in to a low gear and pull
against it
How do you test your air breaks - Pump 3 times and then hold the break on the 4th
How many different types of retarders are there - There are 4. Exhaust, Engine, Hydraulic,
and Electric
How many seconds ahead should you look while driving - Always look 10-12 seconds
ahead while driving
How many steps should you use to inspect your Air Brakes - 7 steps
How much play are leaf springs allowed to have - Leaf springs are only allowed to have 1"
of play or less
If ABS fails - Do not stop immediately, service soon
Low Air Pressure Warning - Cuts on at 55 PSI. On larger buses it is common for it to come
on at 80-85 PSI
Oil pressure should be between ____psi at idle - 5-20 psi
