California Commercial Driving Test with All Correct &
100% Verified Answers |Latest Update |Already
Graded A+
When must a medical certificate be renewed? ✔Correct Answer-Every two years
For first time offense of driving a commercial vehicle under the influence of alcohol or drugs you will
lose your drivers license for how many years ✔Correct Answer-At least one year
Implied consent means ✔Correct Answer-You have given your consent to be tested for alcohol in
your blood
An unsafe vehicle can be put out of service when? ✔Correct Answer-Until the driver or owner has
it repaired
You must sign the previous drivers inspection report only when ✔Correct Answer-The defects
reported have been repaired
Why is a broken exhaust system dangerous ✔Correct Answer-Poisonous fumes could enter the cab
or sleeper berth
You are stopped. You want to start driving uphill. You should ✔Correct Answer-Partly engage the
clutch and then release the parking break
What does rough acceleration cause ✔Correct Answer-Damage to coupling and the passenger
injuries not tire damage
You're starting your vehicle in motion from a stop. As you apply power to the drive wheels they start
to spin what should you do? ✔Correct Answer-Take your foot off the Excelerator
What is the proper way to hold the steering wheel ✔Correct Answer-Both hands on opposite sides
of the steering wheel
Which of these statements are true about backing a heavy vehicle ✔Correct Answer-You should
look at your path, back slowly, back and turn towards the driver side
Backing a commercial vehicle is ✔Correct Answer-Always dangerous
When parking your vehicle you should ✔Correct Answer-Always park your vehicle so you can pull
forward when you leave
Which of these statements is true about double clutching and shifting ✔Correct Answer-You can
use the tachometer to tell you when to shift.you could also use road speed or miles per hour
If you have a heavy load that is slowing you down on an upgrade you should ✔Correct Answer-
Shift into a lower gear
, 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 ✔Correct Answer-A lower gear that you would use to climb the
hill
Retarder's ✔Correct Answer-Can cause the drive wheels to skid when They have poor traction
Types of retarder ✔Correct Answer-Exhaust, engine, hydraulic and electric. Robotic is not a
retarder
What is the purpose of a retarder ✔Correct Answer-help slow the vehicle while driving and reduce
break wear
How far should a driver look ahead of the vehicle while driving ✔Correct Answer-12 to 15 seconds
The distance you should look ahead of your vehicle while driving is ✔Correct Answer-About 1/4
miles at highway speed
Which of these statements is true about seeing ahead ✔Correct Answer-Good driver shift their
attention back and forth near and far
When should you check your mirrors ✔Correct Answer-Regularly as part of your scan for potential
hazards
Many buses have curved mirrors (convex). these mirrors ✔Correct Answer-Makes things seem
smaller and farther away than they really are
What is true about Mirror adjustments ✔Correct Answer-You should adjust your mirrors before
you start a trip
Convex or curved mirrors show what ✔Correct Answer-They show a wider area than that of a flat
mirror
What is the proper way to signal for a lane change ✔Correct Answer-Signal early and change lanes
slowly and smoothly
What should you do when you pass a vehicle ✔Correct Answer-Tap the horn lightly or quickly
flasher lights from low to high beam and back do not leave your highbeams on
When you are passing another vehicle, pedestrian or bicyclist you should assume ✔Correct
Answer-That they may move into your traffic lane
You should signal continuously during turning because ✔Correct Answer-You need two hands on
the steering wheel to turn safely
When parked on the side of the road, when you place reflective trains you should ✔Correct
Answer-Hold the triangles with the reflective side between you and oncoming traffic
When you are parked at the side of the road at night, you must ✔Correct Answer-Turn on your
emergency four-way flasher to warn others
Why must you limit the use of your horn? ✔Correct Answer-You can startle other drivers
100% Verified Answers |Latest Update |Already
Graded A+
When must a medical certificate be renewed? ✔Correct Answer-Every two years
For first time offense of driving a commercial vehicle under the influence of alcohol or drugs you will
lose your drivers license for how many years ✔Correct Answer-At least one year
Implied consent means ✔Correct Answer-You have given your consent to be tested for alcohol in
your blood
An unsafe vehicle can be put out of service when? ✔Correct Answer-Until the driver or owner has
it repaired
You must sign the previous drivers inspection report only when ✔Correct Answer-The defects
reported have been repaired
Why is a broken exhaust system dangerous ✔Correct Answer-Poisonous fumes could enter the cab
or sleeper berth
You are stopped. You want to start driving uphill. You should ✔Correct Answer-Partly engage the
clutch and then release the parking break
What does rough acceleration cause ✔Correct Answer-Damage to coupling and the passenger
injuries not tire damage
You're starting your vehicle in motion from a stop. As you apply power to the drive wheels they start
to spin what should you do? ✔Correct Answer-Take your foot off the Excelerator
What is the proper way to hold the steering wheel ✔Correct Answer-Both hands on opposite sides
of the steering wheel
Which of these statements are true about backing a heavy vehicle ✔Correct Answer-You should
look at your path, back slowly, back and turn towards the driver side
Backing a commercial vehicle is ✔Correct Answer-Always dangerous
When parking your vehicle you should ✔Correct Answer-Always park your vehicle so you can pull
forward when you leave
Which of these statements is true about double clutching and shifting ✔Correct Answer-You can
use the tachometer to tell you when to shift.you could also use road speed or miles per hour
If you have a heavy load that is slowing you down on an upgrade you should ✔Correct Answer-
Shift into a lower gear
, 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 ✔Correct Answer-A lower gear that you would use to climb the
hill
Retarder's ✔Correct Answer-Can cause the drive wheels to skid when They have poor traction
Types of retarder ✔Correct Answer-Exhaust, engine, hydraulic and electric. Robotic is not a
retarder
What is the purpose of a retarder ✔Correct Answer-help slow the vehicle while driving and reduce
break wear
How far should a driver look ahead of the vehicle while driving ✔Correct Answer-12 to 15 seconds
The distance you should look ahead of your vehicle while driving is ✔Correct Answer-About 1/4
miles at highway speed
Which of these statements is true about seeing ahead ✔Correct Answer-Good driver shift their
attention back and forth near and far
When should you check your mirrors ✔Correct Answer-Regularly as part of your scan for potential
hazards
Many buses have curved mirrors (convex). these mirrors ✔Correct Answer-Makes things seem
smaller and farther away than they really are
What is true about Mirror adjustments ✔Correct Answer-You should adjust your mirrors before
you start a trip
Convex or curved mirrors show what ✔Correct Answer-They show a wider area than that of a flat
mirror
What is the proper way to signal for a lane change ✔Correct Answer-Signal early and change lanes
slowly and smoothly
What should you do when you pass a vehicle ✔Correct Answer-Tap the horn lightly or quickly
flasher lights from low to high beam and back do not leave your highbeams on
When you are passing another vehicle, pedestrian or bicyclist you should assume ✔Correct
Answer-That they may move into your traffic lane
You should signal continuously during turning because ✔Correct Answer-You need two hands on
the steering wheel to turn safely
When parked on the side of the road, when you place reflective trains you should ✔Correct
Answer-Hold the triangles with the reflective side between you and oncoming traffic
When you are parked at the side of the road at night, you must ✔Correct Answer-Turn on your
emergency four-way flasher to warn others
Why must you limit the use of your horn? ✔Correct Answer-You can startle other drivers
