CDL Combination Vehicles Exam Solution Manual Fully Solved Latest Update 2025
With the tractor frame under the trailer - Answers Where should the tractor be when you inspect
landing gear after uncoupling the trailer?
10 - Answers While driving behind other vehicle under good condition you should allow at least one
second between your vehicle and the vehicle ahead for each _____ ( how many) feet of your vehicle
length?
Go slow around turns - Answers There are two things that a driver can do to prevent a rollover. They are
(1) keep the cargo as close to the ground as possible and (2) ?
4 - Answers The air brake leakage rate for a combination vehicle (engine off, brakes off) should be less
than ____ psi per minute?
You should turn wide as you complete the turn - Answers The safest way to make turn without entering
another traffic lane is?
Easier to turn over - Answers The higher the center of gravity of your truck the?
Nothing is likely to happen until you try to apply the brakes - Answers If the service line comes apart
while you are driving a combination vehicle but the emergency line stays together, what will happen
right away?
Service and emergency air line from the vehicle to the trailer - Answers Glad hands are usually
connecting which of these?
If the trailer has no spring brakes, you could drive away but you would have the trailer brakes - Answers
A driver crosses air lines when hooking up to an older trailer. What will happen?
To test the trailer brakes - Answers The hand valve should be used to?
Back - Answers When driving a set of doubles it is necessary to close which shut-off valve in the last
trailer?
Trailer will be lifted slightly when the tractor backs under it - Answers You are about to back your tractor
under the semitrailer. The trailer is at the height when the?
Emergency trailer brakes to come on - Answers Your emergency air line brakes or gets pulled apart while
your driving. The loss of pressure will cause the?
Check air line connection - Answers If the brakes are not released when you push the trailer air supply
valve you should?
Often do not have spring brakes - Answers Air brake equipped trailers made from 1975?
With the tractor frame under the trailer - Answers Where should the tractor be when you inspect
landing gear after uncoupling the trailer?
10 - Answers While driving behind other vehicle under good condition you should allow at least one
second between your vehicle and the vehicle ahead for each _____ ( how many) feet of your vehicle
length?
Go slow around turns - Answers There are two things that a driver can do to prevent a rollover. They are
(1) keep the cargo as close to the ground as possible and (2) ?
4 - Answers The air brake leakage rate for a combination vehicle (engine off, brakes off) should be less
than ____ psi per minute?
You should turn wide as you complete the turn - Answers The safest way to make turn without entering
another traffic lane is?
Easier to turn over - Answers The higher the center of gravity of your truck the?
Nothing is likely to happen until you try to apply the brakes - Answers If the service line comes apart
while you are driving a combination vehicle but the emergency line stays together, what will happen
right away?
Service and emergency air line from the vehicle to the trailer - Answers Glad hands are usually
connecting which of these?
If the trailer has no spring brakes, you could drive away but you would have the trailer brakes - Answers
A driver crosses air lines when hooking up to an older trailer. What will happen?
To test the trailer brakes - Answers The hand valve should be used to?
Back - Answers When driving a set of doubles it is necessary to close which shut-off valve in the last
trailer?
Trailer will be lifted slightly when the tractor backs under it - Answers You are about to back your tractor
under the semitrailer. The trailer is at the height when the?
Emergency trailer brakes to come on - Answers Your emergency air line brakes or gets pulled apart while
your driving. The loss of pressure will cause the?
Check air line connection - Answers If the brakes are not released when you push the trailer air supply
valve you should?
Often do not have spring brakes - Answers Air brake equipped trailers made from 1975?
