COMMERCIAL DRIVER LICENSE EXAM ACTUAL EXAM
COMPLETE 150 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) / ALREADY
GRADED A+
minimum tread depth in every major groove on front tires - ANSWER: 4/32 inch
This much tread is needed on other tires not including front - ANSWER: 2/32 inch
sterring wheel play of more than _____ can make it hard to steer - ANSWER: 10
degrees or two inches movement at the rim
Most important reason for doing a vehicle inspection - ANSWER: safety for yourself
and road users
things to check during a trip - ANSWER: gauges, any problems detected by senses,
tires, brakes, lights, trailer connections, cargo securement
A problem with spring hangers could show this - ANSWER: problem with suspension
system defects
leaking shock absorbers - ANSWER: suspension system defect
Key steering system parts - ANSWER: gear box, pitman arm, drag link, steering ring
knuckle, wheel, Arms, shaft.
3 kinds of emergency equipment you must have - ANSWER: fire extinguisher,
electrical fuses, warming devices
Key suspension parts - ANSWER: vehicle frame, front axle, hanger, bearing plates.
hydraulic shock absorber, tourque rock, Spring shackle, Main Spring
Exhaust system defects - ANSWER: broken exhaust pipe or muffler, missing mounting
brackets, exhaust parts rubbing agaisn fuel parts, exhaust parts leaking
Where your key should be during pre-trip inspection and why? - ANSWER: in your
pocket so no one runs over you
Order of inspection - ANSWER: check engine compartment, start engine and isnpect
inside of cab, turn off engine and check lights, do walk around inspection, check
signal lights, start the engine and check brake system,
during walk around inspection, what should you check in the front of your vehicle -
ANSWER: front axle, steering system, windshiel, lights, reflectors, turn signals,
, During walk around, what should you check in left front side of vehicle? - ANSWER:
driver door glass is clean, door latches and locks work, left front wheel, left front
suspension, left front brake (drum and hoses)
Things to check on right side during walk around - ANSWER: safety cab locks, fuel
tank, spare tire carrier, cargo securement
Things to check in rear during walk around - ANSWER: Lights and reflectors, license
plate, splash guards, cargo secure, rear doors securly closed
Things to check on Left side - ANSWER: Same as right but also- battery, vents in cell
capts
How many times should you pump the brakes to check for leaks - ANSWER: 3
how long should you put pressure on pedal to check brakes - ANSWER: 5
how to know if leak in hydraulic brakes - ANSWER: pedal moves after pump and
applying pressure
What should wheel bearing seals be checked for? - ANSWER: leaks
make sure _____ is on before starting engine - ANSWER: parking brake
gauges to look at - ANSWER: oil pressure, ammeter, coolant temperature, engine oil
temperature, warning lights and buzzers
optional emergency equipment - ANSWER: tire chains, tire changing equipment, list
of emergency phone numbers, accident reporting kit
how many reflective triangles you need - ANSWER: 3 triangles
Always use the ________ when leaving your vehicle - ANSWER: parking brake
How can you start moving without rolling back? - ANSWER: patly engage the clutch
before you take foot off brake or put on parking brake until accelerate
how should you speek on in rain or snow - ANSWER: gradually :)
Since backing is dangerous what should you do? - ANSWER: avoid backing, try to
park so you can pull forward
If you have to back, what should you do? - ANSWER: get out of the vehicle and look
at your path, back slowly and in lowest gear, turn towards driver side, use a helper
why should you always back towards the drivers side - ANSWER: you can see better
and watch the rear of your vehicle
COMPLETE 150 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) / ALREADY
GRADED A+
minimum tread depth in every major groove on front tires - ANSWER: 4/32 inch
This much tread is needed on other tires not including front - ANSWER: 2/32 inch
sterring wheel play of more than _____ can make it hard to steer - ANSWER: 10
degrees or two inches movement at the rim
Most important reason for doing a vehicle inspection - ANSWER: safety for yourself
and road users
things to check during a trip - ANSWER: gauges, any problems detected by senses,
tires, brakes, lights, trailer connections, cargo securement
A problem with spring hangers could show this - ANSWER: problem with suspension
system defects
leaking shock absorbers - ANSWER: suspension system defect
Key steering system parts - ANSWER: gear box, pitman arm, drag link, steering ring
knuckle, wheel, Arms, shaft.
3 kinds of emergency equipment you must have - ANSWER: fire extinguisher,
electrical fuses, warming devices
Key suspension parts - ANSWER: vehicle frame, front axle, hanger, bearing plates.
hydraulic shock absorber, tourque rock, Spring shackle, Main Spring
Exhaust system defects - ANSWER: broken exhaust pipe or muffler, missing mounting
brackets, exhaust parts rubbing agaisn fuel parts, exhaust parts leaking
Where your key should be during pre-trip inspection and why? - ANSWER: in your
pocket so no one runs over you
Order of inspection - ANSWER: check engine compartment, start engine and isnpect
inside of cab, turn off engine and check lights, do walk around inspection, check
signal lights, start the engine and check brake system,
during walk around inspection, what should you check in the front of your vehicle -
ANSWER: front axle, steering system, windshiel, lights, reflectors, turn signals,
, During walk around, what should you check in left front side of vehicle? - ANSWER:
driver door glass is clean, door latches and locks work, left front wheel, left front
suspension, left front brake (drum and hoses)
Things to check on right side during walk around - ANSWER: safety cab locks, fuel
tank, spare tire carrier, cargo securement
Things to check in rear during walk around - ANSWER: Lights and reflectors, license
plate, splash guards, cargo secure, rear doors securly closed
Things to check on Left side - ANSWER: Same as right but also- battery, vents in cell
capts
How many times should you pump the brakes to check for leaks - ANSWER: 3
how long should you put pressure on pedal to check brakes - ANSWER: 5
how to know if leak in hydraulic brakes - ANSWER: pedal moves after pump and
applying pressure
What should wheel bearing seals be checked for? - ANSWER: leaks
make sure _____ is on before starting engine - ANSWER: parking brake
gauges to look at - ANSWER: oil pressure, ammeter, coolant temperature, engine oil
temperature, warning lights and buzzers
optional emergency equipment - ANSWER: tire chains, tire changing equipment, list
of emergency phone numbers, accident reporting kit
how many reflective triangles you need - ANSWER: 3 triangles
Always use the ________ when leaving your vehicle - ANSWER: parking brake
How can you start moving without rolling back? - ANSWER: patly engage the clutch
before you take foot off brake or put on parking brake until accelerate
how should you speek on in rain or snow - ANSWER: gradually :)
Since backing is dangerous what should you do? - ANSWER: avoid backing, try to
park so you can pull forward
If you have to back, what should you do? - ANSWER: get out of the vehicle and look
at your path, back slowly and in lowest gear, turn towards driver side, use a helper
why should you always back towards the drivers side - ANSWER: you can see better
and watch the rear of your vehicle
