ABT FINAL TEST 2025 QUESTIONS
WITH CORRECT ANSWERS!!
1 of 32
Term
Technician A says "In case of a trailer break away, where the supply
line is open to atmosphere, the Bendix SR-5 Trailer Spring Brake
Valve will automatically apply the trail spring brake". Technician B
says "The Bendix SR-5 Trailer Spring Brake Valve will prevent
simultaneous application of the service and park brakes". Who is
correct?
Give this one a try later!
, Technician A True
Technician B Both
Don't know?
2 of 32
Term
For the Bendix Standard AD-9 Air Dryer to work most efficiently it
must remain in the purge cycle for a minimum of:
a. 30 seconds
b. 60 seconds
c. 120 seconds
Give this one a try later!
e. All of the above b. 50 psi
a. 30 seconds d. All of the above
Don't know?
3 of 32
Term
True or False: A tractor protection valve like the Bendix TP-3DC
Valve protects the tractor's air system and applies the trailer brakes
, in case of a trailer break away.
Give this one a try later!
a. 30 seconds True
False d. All of the above
Don't know?
4 of 32
Term
With the tractor system fully charged and the Bendix PP-7 Trailer
Supply Valve button pushed in: Gauge A reads 30 psi. Gauge B will
read:
a. 120 psi
b. 0 psi
c. 30 psi
Give this one a try later!
b. 50 psi c. 30 psi
a. 120 psi Technician A
Don't know?
WITH CORRECT ANSWERS!!
1 of 32
Term
Technician A says "In case of a trailer break away, where the supply
line is open to atmosphere, the Bendix SR-5 Trailer Spring Brake
Valve will automatically apply the trail spring brake". Technician B
says "The Bendix SR-5 Trailer Spring Brake Valve will prevent
simultaneous application of the service and park brakes". Who is
correct?
Give this one a try later!
, Technician A True
Technician B Both
Don't know?
2 of 32
Term
For the Bendix Standard AD-9 Air Dryer to work most efficiently it
must remain in the purge cycle for a minimum of:
a. 30 seconds
b. 60 seconds
c. 120 seconds
Give this one a try later!
e. All of the above b. 50 psi
a. 30 seconds d. All of the above
Don't know?
3 of 32
Term
True or False: A tractor protection valve like the Bendix TP-3DC
Valve protects the tractor's air system and applies the trailer brakes
, in case of a trailer break away.
Give this one a try later!
a. 30 seconds True
False d. All of the above
Don't know?
4 of 32
Term
With the tractor system fully charged and the Bendix PP-7 Trailer
Supply Valve button pushed in: Gauge A reads 30 psi. Gauge B will
read:
a. 120 psi
b. 0 psi
c. 30 psi
Give this one a try later!
b. 50 psi c. 30 psi
a. 120 psi Technician A
Don't know?
