Louisiana Class D "Chauffeur's" License Test Questions
with Correct Answers & Explanations | Graded A+ Study
Guide download instant pdf.
the three braking systems that make up an air brake system are - answer :
;service brake, parking brake, and emergency brake
the part of the air brake system which pumps air into the air storage tanks -
answer : ;air compressor
the part of the air brake system which controls when the air compressor will
pump air into the air storage tanks - answer : ;air compressor governor
the part of the air brake system which is operated by turning a quarter turn or by
pulling a cable and which must be drained manually at the end of the day -
answer : ;manual air tank drain
the part of the air brake system in which water and oil are automatically expelled
- answer : ;automatice air tank drain
the ___ of the air brake system protects the tanks and the rest of the system from
too much pressure. it is usually set at 150 psi. if it releases air, something is wrong
- answer : ;safety valve
, the ___ part of the air brake system tells you how much pressure is left in the air
tanks - answer : ;supply pressure gauges
the ____ shows you how much air pressure you are applying to the breaks -
answer : ;application pressure gauge
if the air pressure in the tanks falls below ___, the low air pressure warning will
come on. - answer : ;60psi
___ brakes are held back by air pressure and are the mechanical force which
keeps the emergency and parking brakes in place - answer : ;spring brakes
in newer vehicles, you engage the parking breaks by using this knob - answer :
;diamond-shaped, yellow, push-pull knob
never push the break pedal down when the ___ brakes are on - answer : ;spring
breaks
the first step to checking the air brakes is to see if the air pressure drops more
than ____ pounds in ___ minute - answer : ;3 pounds in 1 minute
the second step to checking the air brakes is to ____ - answer : ;make sure the
low air pressure warning signals are working
the third step of checking the air brakes is to make sure the parking brake valve
closes at ____psi - answer : ;20-40 psi
with Correct Answers & Explanations | Graded A+ Study
Guide download instant pdf.
the three braking systems that make up an air brake system are - answer :
;service brake, parking brake, and emergency brake
the part of the air brake system which pumps air into the air storage tanks -
answer : ;air compressor
the part of the air brake system which controls when the air compressor will
pump air into the air storage tanks - answer : ;air compressor governor
the part of the air brake system which is operated by turning a quarter turn or by
pulling a cable and which must be drained manually at the end of the day -
answer : ;manual air tank drain
the part of the air brake system in which water and oil are automatically expelled
- answer : ;automatice air tank drain
the ___ of the air brake system protects the tanks and the rest of the system from
too much pressure. it is usually set at 150 psi. if it releases air, something is wrong
- answer : ;safety valve
, the ___ part of the air brake system tells you how much pressure is left in the air
tanks - answer : ;supply pressure gauges
the ____ shows you how much air pressure you are applying to the breaks -
answer : ;application pressure gauge
if the air pressure in the tanks falls below ___, the low air pressure warning will
come on. - answer : ;60psi
___ brakes are held back by air pressure and are the mechanical force which
keeps the emergency and parking brakes in place - answer : ;spring brakes
in newer vehicles, you engage the parking breaks by using this knob - answer :
;diamond-shaped, yellow, push-pull knob
never push the break pedal down when the ___ brakes are on - answer : ;spring
breaks
the first step to checking the air brakes is to see if the air pressure drops more
than ____ pounds in ___ minute - answer : ;3 pounds in 1 minute
the second step to checking the air brakes is to ____ - answer : ;make sure the
low air pressure warning signals are working
the third step of checking the air brakes is to make sure the parking brake valve
closes at ____psi - answer : ;20-40 psi
