Louisiana Class D Chauffeur’s License Actual
Test Questions and Answers | Grade A+ |
100% Correct
Question 1
vehicles weighing or carrying more than ___ must be equipped with extra brakes
Correct Answer
3,000 pounds
Question 2
when pulling or towing another motor vehicle the speed limit is _____
Correct Answer
45 mph
Question 3
A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class
__ requirements
Correct Answer
E
Question 4
tow trucks must have this type of fire extinguisher
Correct Answer
4-BC
Page 1 of 78
,Question 5
never push the break pedal down when the ___ brakes are on
Correct Answer
spring breaks
Question 6
7 additional things that must be checked when doing an air brake check
Correct Answer
1)air compressor drive belt
2) manual slack adjusters on S-cam brakes
3) brake drums, linings, and hoses
4) rate of air pressure buildup
5) air compressor governor cut-in and cut-out pressures
6) parking brake
7) service brakes
Question 7
the type of emergency braking in which you press the break pedal as hard as you can,
let up when the wheels lock, and push on the brakes again when the vehicle starts
rolling
Correct Answer
stab breaking
Question 8
when securing a load, the contents must not be allowed to ____, ____, _____, or ______
and the cover must be securely fastened
Correct Answer
drop, shift, leak, otherwise escape
Question 9
you must be ____ years old to receive a class D license
Correct Answer
17
Page 2 of 78
,Question 10
if the air pressure in the tanks falls below ___, the low air pressure warning will come
on.
Correct Answer
60psi
Question 11
with air brakes it takes ____ for the air to flow through the lines to the brakes
Correct Answer
1/2 second or more
Question 12
the part of the air brake system in which water and oil are automatically expelled
Correct Answer
automatice air tank drain
Question 13
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
Correct Answer
safety valve
Question 14
the maximum width for buses is ____
Correct Answer
8ft 6in
Page 3 of 78
, Question 15
the third step of checking the air brakes is to make sure the parking brake valve
closes at ____psi
Correct Answer
20-40 psi
Question 16
the maximum height for all vehicles is ___
Correct Answer
13ft 6in
Question 17
the equation which equals the total stopping distance for vehicles with air brakes
Correct Answer
perception distance + reaction distance + brake lag distance + effective braking
distance
Question 18
the part of the air brake system which controls when the air compressor will pump air
into the air storage tanks
Correct Answer
air compressor governor
Question 19
___ brakes are a safe way of stopping large vehicle when used correctly
Correct Answer
air
Page 4 of 78
Test Questions and Answers | Grade A+ |
100% Correct
Question 1
vehicles weighing or carrying more than ___ must be equipped with extra brakes
Correct Answer
3,000 pounds
Question 2
when pulling or towing another motor vehicle the speed limit is _____
Correct Answer
45 mph
Question 3
A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class
__ requirements
Correct Answer
E
Question 4
tow trucks must have this type of fire extinguisher
Correct Answer
4-BC
Page 1 of 78
,Question 5
never push the break pedal down when the ___ brakes are on
Correct Answer
spring breaks
Question 6
7 additional things that must be checked when doing an air brake check
Correct Answer
1)air compressor drive belt
2) manual slack adjusters on S-cam brakes
3) brake drums, linings, and hoses
4) rate of air pressure buildup
5) air compressor governor cut-in and cut-out pressures
6) parking brake
7) service brakes
Question 7
the type of emergency braking in which you press the break pedal as hard as you can,
let up when the wheels lock, and push on the brakes again when the vehicle starts
rolling
Correct Answer
stab breaking
Question 8
when securing a load, the contents must not be allowed to ____, ____, _____, or ______
and the cover must be securely fastened
Correct Answer
drop, shift, leak, otherwise escape
Question 9
you must be ____ years old to receive a class D license
Correct Answer
17
Page 2 of 78
,Question 10
if the air pressure in the tanks falls below ___, the low air pressure warning will come
on.
Correct Answer
60psi
Question 11
with air brakes it takes ____ for the air to flow through the lines to the brakes
Correct Answer
1/2 second or more
Question 12
the part of the air brake system in which water and oil are automatically expelled
Correct Answer
automatice air tank drain
Question 13
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
Correct Answer
safety valve
Question 14
the maximum width for buses is ____
Correct Answer
8ft 6in
Page 3 of 78
, Question 15
the third step of checking the air brakes is to make sure the parking brake valve
closes at ____psi
Correct Answer
20-40 psi
Question 16
the maximum height for all vehicles is ___
Correct Answer
13ft 6in
Question 17
the equation which equals the total stopping distance for vehicles with air brakes
Correct Answer
perception distance + reaction distance + brake lag distance + effective braking
distance
Question 18
the part of the air brake system which controls when the air compressor will pump air
into the air storage tanks
Correct Answer
air compressor governor
Question 19
___ brakes are a safe way of stopping large vehicle when used correctly
Correct Answer
air
Page 4 of 78
