Class B CDL with Passenger School
Bus Endorsement Exam Questions &
Answers (Grade A+)
What is the most important reason for doing a vehicle inspection? -
correct answer ✅Safety for yourself and for other road users
What things should you check during a trip? -
correct answer ✅Watch gauges and signs of trouble, use 5 senses
for problems, check critical items when stopped (tires, wheels,
rims, brakes, lights, reflectors)
Name some key steering system parts. -
correct answer ✅steering wheel, tie rod, steering shaft, hydraulic
fluid reservoir, gear box, pitman arm, drag link, steering knuckle,
spindle, steering arm, power steering cylinder
Name some suspension system defects -
correct answer ✅spring hangers that allow movement of axle from
proper position, cracked or broken spring hangers, missing or
broken leaves in any leaf spring, leaking shock absorbers, air
suspension systems that are damaged and or leaking, any parts of
the suspension or frame that is cracked or broden
,Class B CDL with Passenger School
Bus Endorsement Exam Questions &
Answers (Grade A+)
What three kinds of emergency equipment must you have? -
correct answer ✅Fire extinguishers, spare electrical fuses, warning
devices for parked vehicles
What is the minimum tread depth for front tires? For other tires? -
correct answer ✅4/32-inch, 2/32-inch
Name some things you should check on the front of your vehicle
during the walk around inspection? -
correct answer ✅Low beams are on and both four-way flashers are
working, high beams work
What should wheel beering seals be checked for? -
correct answer ✅
How many red reflective triangles should you carry? -
correct answer ✅Three
How do you test hydraulic brakes for leaks? -
correct answer ✅Pump the brake pedal three times, then apply
, Class B CDL with Passenger School
Bus Endorsement Exam Questions &
Answers (Grade A+)
firm pressure to the pedal and hold for five seconds. The pedal
should not move.
Why put the starter switch key in your pocket during the pre-trip
inspection? -
correct answer ✅
Why should you back toward the driver's side? -
correct answer ✅So you can see better (can watch the rear of your
vehicle by looking out the side window)
If stopped on a hill, how can you start moving without rolling back?
-
correct answer ✅
When backing, why is it important to use a helper? -
correct answer ✅There are blind spots you can't see
What's the most important hand signal that you and the helper
should agree on? -
correct answer ✅"Stop"
Bus Endorsement Exam Questions &
Answers (Grade A+)
What is the most important reason for doing a vehicle inspection? -
correct answer ✅Safety for yourself and for other road users
What things should you check during a trip? -
correct answer ✅Watch gauges and signs of trouble, use 5 senses
for problems, check critical items when stopped (tires, wheels,
rims, brakes, lights, reflectors)
Name some key steering system parts. -
correct answer ✅steering wheel, tie rod, steering shaft, hydraulic
fluid reservoir, gear box, pitman arm, drag link, steering knuckle,
spindle, steering arm, power steering cylinder
Name some suspension system defects -
correct answer ✅spring hangers that allow movement of axle from
proper position, cracked or broken spring hangers, missing or
broken leaves in any leaf spring, leaking shock absorbers, air
suspension systems that are damaged and or leaking, any parts of
the suspension or frame that is cracked or broden
,Class B CDL with Passenger School
Bus Endorsement Exam Questions &
Answers (Grade A+)
What three kinds of emergency equipment must you have? -
correct answer ✅Fire extinguishers, spare electrical fuses, warning
devices for parked vehicles
What is the minimum tread depth for front tires? For other tires? -
correct answer ✅4/32-inch, 2/32-inch
Name some things you should check on the front of your vehicle
during the walk around inspection? -
correct answer ✅Low beams are on and both four-way flashers are
working, high beams work
What should wheel beering seals be checked for? -
correct answer ✅
How many red reflective triangles should you carry? -
correct answer ✅Three
How do you test hydraulic brakes for leaks? -
correct answer ✅Pump the brake pedal three times, then apply
, Class B CDL with Passenger School
Bus Endorsement Exam Questions &
Answers (Grade A+)
firm pressure to the pedal and hold for five seconds. The pedal
should not move.
Why put the starter switch key in your pocket during the pre-trip
inspection? -
correct answer ✅
Why should you back toward the driver's side? -
correct answer ✅So you can see better (can watch the rear of your
vehicle by looking out the side window)
If stopped on a hill, how can you start moving without rolling back?
-
correct answer ✅
When backing, why is it important to use a helper? -
correct answer ✅There are blind spots you can't see
What's the most important hand signal that you and the helper
should agree on? -
correct answer ✅"Stop"