COMMERCIAL DRIVER LICENSE
EXAM 2024-2025 LATEST UPDATED
COMPLETE 400 QUESTIONS WITH
DETAILED VERIFIED AND 100%
CORRECT ANSWERS) ACTUAL
BRAND-NEW EXAM GRADED A+
While on a trip, what should you check on a regular
basis - ....ANSWER...watch gauges, use your senses, and
check critical items when you stop
the emergency door on your bus must -
....ANSWER...it must be closed when operating the bus
which of the following best describes the basic
characteristics of the center of gravity -
....ANSWER...the center of gravity can make a vehicle
more likely to tip over on a curve if it is high
vehicle inspection is intended for which purpose -
....ANSWER...to find problems that could cause a crash
or breakdown
1
,for the best control of your vehicle, which maneuver is
best - ....ANSWER...slow to a safe speed before entering
the curve, than accelerate slightly through the curve
which is true about marking a stalled or wrecked vehicle
- ....ANSWER...if a hill or curve prevents approaching
vehicles from seeing your vehicle within 500 feet, the
reflective triangle should be moved back down the road
to give adequate warning
inspection of your vehicle should be done -
....ANSWER...before and after a trip
when driving at the posted speed limit, how far ahead
should you look - ....ANSWER...one fourth a mile (1/4)
you are checking your brakes and suspension system for
a pre trip inspection, which of these statements is true -
....ANSWER...brake shoes should not have oil, grease, or
brake fluid on them, brake pads should not have brake
fluid on them, and one missing leaf in the leaf springs
can be dangerous.
what is the minimum tread depth requirements for front
tires - ....ANSWER...4/32 inches
2
,which of these should you not do when you pass a
vehicle - ....ANSWER...when passing at night, turn on
your high beams before you start to pass, and keep
them on until you have completely passed the vehicle
you may not run which of the following on the front
wheels of your vehicle - ....ANSWER...re grooved tires,
recapped tires, and retreaded tires
when you down shift you should - ....ANSWER...down
shift for a curve before you enter it
the parking or emergency brake on a heavy vehicle can
only be held in position by something that cannot leak
away. an example would be -
....ANSWER...spring pressure
a drivers brake may be adversely affected if they have
the following substances on them -
....ANSWER...oil, grease, and brake fluid
which of these could cause a vehicle to skid -
....ANSWER...turning to sharply, not enough weight on
the front axle, and over acceleration
3
, 4|Page
steering wheel play of more than ..... can make it hard
to steer - ....ANSWER...ten degrees
which of the following is not a key part of the suspension
system - ....ANSWER...pitman arm
which of the following should be on your bus at all times
in case of an emergency - ....ANSWER...fire
extinguisher, spare electrical fuses if needed, and
warning devices for parked vehicles
a straight truck or bus air brake system should not lead
at a rate of more than... psi per minute with the engine
off and the brakes released -
....ANSWER...two psi per minute
which of these statements about drugs is true -
....ANSWER...the use of drugs is a hazard
which of the following is not an emergency equipment item
- ....ANSWER...shackle
You are driving a new truck with a manual transmission.
What gear will you probably have to use to take a long,
steep, downhill grade? -
4
EXAM 2024-2025 LATEST UPDATED
COMPLETE 400 QUESTIONS WITH
DETAILED VERIFIED AND 100%
CORRECT ANSWERS) ACTUAL
BRAND-NEW EXAM GRADED A+
While on a trip, what should you check on a regular
basis - ....ANSWER...watch gauges, use your senses, and
check critical items when you stop
the emergency door on your bus must -
....ANSWER...it must be closed when operating the bus
which of the following best describes the basic
characteristics of the center of gravity -
....ANSWER...the center of gravity can make a vehicle
more likely to tip over on a curve if it is high
vehicle inspection is intended for which purpose -
....ANSWER...to find problems that could cause a crash
or breakdown
1
,for the best control of your vehicle, which maneuver is
best - ....ANSWER...slow to a safe speed before entering
the curve, than accelerate slightly through the curve
which is true about marking a stalled or wrecked vehicle
- ....ANSWER...if a hill or curve prevents approaching
vehicles from seeing your vehicle within 500 feet, the
reflective triangle should be moved back down the road
to give adequate warning
inspection of your vehicle should be done -
....ANSWER...before and after a trip
when driving at the posted speed limit, how far ahead
should you look - ....ANSWER...one fourth a mile (1/4)
you are checking your brakes and suspension system for
a pre trip inspection, which of these statements is true -
....ANSWER...brake shoes should not have oil, grease, or
brake fluid on them, brake pads should not have brake
fluid on them, and one missing leaf in the leaf springs
can be dangerous.
what is the minimum tread depth requirements for front
tires - ....ANSWER...4/32 inches
2
,which of these should you not do when you pass a
vehicle - ....ANSWER...when passing at night, turn on
your high beams before you start to pass, and keep
them on until you have completely passed the vehicle
you may not run which of the following on the front
wheels of your vehicle - ....ANSWER...re grooved tires,
recapped tires, and retreaded tires
when you down shift you should - ....ANSWER...down
shift for a curve before you enter it
the parking or emergency brake on a heavy vehicle can
only be held in position by something that cannot leak
away. an example would be -
....ANSWER...spring pressure
a drivers brake may be adversely affected if they have
the following substances on them -
....ANSWER...oil, grease, and brake fluid
which of these could cause a vehicle to skid -
....ANSWER...turning to sharply, not enough weight on
the front axle, and over acceleration
3
, 4|Page
steering wheel play of more than ..... can make it hard
to steer - ....ANSWER...ten degrees
which of the following is not a key part of the suspension
system - ....ANSWER...pitman arm
which of the following should be on your bus at all times
in case of an emergency - ....ANSWER...fire
extinguisher, spare electrical fuses if needed, and
warning devices for parked vehicles
a straight truck or bus air brake system should not lead
at a rate of more than... psi per minute with the engine
off and the brakes released -
....ANSWER...two psi per minute
which of these statements about drugs is true -
....ANSWER...the use of drugs is a hazard
which of the following is not an emergency equipment item
- ....ANSWER...shackle
You are driving a new truck with a manual transmission.
What gear will you probably have to use to take a long,
steep, downhill grade? -
4
