illinois cdl class b section 2 and 3 PG
19-67 questions and answers
what is the most important reason for doing a vehicle inspection? -
correct answer ✅safety is the most important reason for
completing a vehicle inspection. a vehicle defect found during an
inspection could prevent problems later such as a breakdown on
the road that will cost time and dollars, or even worse a crash
caused by the defect
what are somethings you should check during a trip? -
correct answer ✅For safety drivers should:
*watch gauges for signs of trouble
*use their senses to check for problems
*check critical items when stopping:
-tires,wheels, and rims
-Brakes
-lights and reflectors
-brake and electrical connection to trailer
-trailer coupling devices
-cargo securement devices
what is the minimum tread depth for front tires?for other tires? -
correct answer ✅At least 4/32 inch tread depth is required in
,illinois cdl class b section 2 and 3 PG
19-67 questions and answers
every major groove on front tires. A 2/32 tread depth on all other
tires.
name some key steering wheel parts. -
correct answer ✅*steering wheel
*steering wheel shaft
*tie rod
*steering arms
*spindle
*steering ring knuckle
*drag link
*pitman arm
*steering gear box
Name some key suspension system defects -
correct answer ✅The suspension system holds Up the vehicle and
it loads. It keeps the axes in place.
there for broken suspension parts can be extremely dangerous.
Look for the following:
*Spring hangers that allow movements of the axle from proper
position.
, illinois cdl class b section 2 and 3 PG
19-67 questions and answers
* cracked or broken spring hangers.
*Missing or broken leaves In any leaf spring. If 1/4 or more is
missing it will put the vehicle "out of service", but any defect could
be dangerous.
* broken leaves any multi leaf spring or leaves that have shifted so
they might hit a tire or other part.
* leaking shock absorbers.
*Torque rod or arm u bolts spring hangers or other axle positioning
parts that are cracked, damaged or missing.
* Air suspension systems that are damaged and or leaking.
*Any loose, cracked broken or missing frame members.
what are three kinds of emergency equipment you must have? -
correct answer ✅*fire extinguishers
*spare electrical fuses(unless equipped with circuit breaker's)
* warning devices for parked cars (for example three reflective
warning triangles, six fuses or three liquid burning flares)
name some things you should check on the front of your vehicle
during the walk around inspection. -
correct answer ✅*Walk around inspect.
19-67 questions and answers
what is the most important reason for doing a vehicle inspection? -
correct answer ✅safety is the most important reason for
completing a vehicle inspection. a vehicle defect found during an
inspection could prevent problems later such as a breakdown on
the road that will cost time and dollars, or even worse a crash
caused by the defect
what are somethings you should check during a trip? -
correct answer ✅For safety drivers should:
*watch gauges for signs of trouble
*use their senses to check for problems
*check critical items when stopping:
-tires,wheels, and rims
-Brakes
-lights and reflectors
-brake and electrical connection to trailer
-trailer coupling devices
-cargo securement devices
what is the minimum tread depth for front tires?for other tires? -
correct answer ✅At least 4/32 inch tread depth is required in
,illinois cdl class b section 2 and 3 PG
19-67 questions and answers
every major groove on front tires. A 2/32 tread depth on all other
tires.
name some key steering wheel parts. -
correct answer ✅*steering wheel
*steering wheel shaft
*tie rod
*steering arms
*spindle
*steering ring knuckle
*drag link
*pitman arm
*steering gear box
Name some key suspension system defects -
correct answer ✅The suspension system holds Up the vehicle and
it loads. It keeps the axes in place.
there for broken suspension parts can be extremely dangerous.
Look for the following:
*Spring hangers that allow movements of the axle from proper
position.
, illinois cdl class b section 2 and 3 PG
19-67 questions and answers
* cracked or broken spring hangers.
*Missing or broken leaves In any leaf spring. If 1/4 or more is
missing it will put the vehicle "out of service", but any defect could
be dangerous.
* broken leaves any multi leaf spring or leaves that have shifted so
they might hit a tire or other part.
* leaking shock absorbers.
*Torque rod or arm u bolts spring hangers or other axle positioning
parts that are cracked, damaged or missing.
* Air suspension systems that are damaged and or leaking.
*Any loose, cracked broken or missing frame members.
what are three kinds of emergency equipment you must have? -
correct answer ✅*fire extinguishers
*spare electrical fuses(unless equipped with circuit breaker's)
* warning devices for parked cars (for example three reflective
warning triangles, six fuses or three liquid burning flares)
name some things you should check on the front of your vehicle
during the walk around inspection. -
correct answer ✅*Walk around inspect.
