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TEXAS CDL AIR BRAKES, TX CDL #3- AIR BRAKES- SECTION 5, CDL AIR BRAKES 2 NEWEST 2024 ACTUAL EXAM 120 QUESTIONS AND CORRECT DETAILED ANSWERS £13.41
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Term
When testing air leakage rates for combina tion vehicl es(be fore
applying the br ake pedal ), air brake systems shoul d not lose air faster
than...1 of 114
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TEXAS CDL AIR BRAKES, TX CDL #3- AIR BRAKES- SECTION 5, CDL AIR BRAKES 2 NEWEST 2024 ACTUL EXAM 120 QUESTIONS AND CORRECT DETAILED ANSWERS Term
Which of these is not a proper time to apply the p arking br akes2 of 1143 psi per minut e.
5 mph
1/2 psi per minut e.
97 psi per minut e.
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after check ing the br ake fluid level
when the weather is cold and r ainy
while the vehicl e is parked on a flat
surface
if the br akes are very hot (just
after coming down a steep hill)
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The br ake drums or discs...3 of 114
Term
In air oper ated disc br akes air pressur e acts on a brake chamber and
slack adjus ter like s-cam br akes but instead of the s-cam a ________ is
used4 of 114Give this one a try later!
Need to be lubrica ted regularly to
prevent overhea ting.
Must not have cracks longer
than hal f the width of the
friction area.
Shoul d be p ainted red for bett er
visibil ity.
Must be submer ged in water for
cooling during oper ation.
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hydraulic fluid
brake pedal Term
If your bus has dual parking contr ol valves it means that you can use
pressur e from a separate tank to:5 of 114
Term
The br aking po wer of the spring br akes:6 of 114power screw
piston cylinder
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Adjust the side mirr ors.
Activate the windshiel d wiper s.
Release the spring br akes to
move a short distance .
Increase the air pressur e in the main
tank.
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