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Ohio CDL Doubles and Triples Endorsement Test Practice Questions - Ohio CDL Doubles and Triples Endorsement Test Exam
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Question
1
of 25
QUESTION 1 / 25
Which Ohio CDL endorsement code covers double and triple trailer combinations?
Choose one answer below.
A
Ohio BMV identifies the T endorsement for double and triple trailer combinations.
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B
N endorsement
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C
P endorsement
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D
X endorsement
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QUESTION 2 / 25
What feature of a trailer combination brings it under the Ohio doubles/triples T endorsement?
Choose one answer below.
A
The T endorsement applies to double or triple trailers that create more than one articulation point.
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B
single straight trucks
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C
tank vehicles only
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D
passenger buses only
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QUESTION 3 / 25
Where does Ohio BMV send CDL applicants for written knowledge tests?
Choose one answer below.
A
Ohio directs CDL written knowledge testing to driver exam stations.
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B
county title offices only
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C
insurance offices
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D
private fuel stops
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QUESTION 4 / 25
What minimum score does FMCSA require for CDL knowledge tests?
Choose one answer below.
A
49 CFR 383.135 sets the CDL knowledge-test passing standard at 80 percent or higher.
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B
60 percent
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C
a perfect score
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D
one missed question maximum
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QUESTION 5 / 25
Which federal section covers double/triple trailer endorsement knowledge requirements?
Choose one answer below.
A
49 CFR 383.115 lists federal knowledge requirements for the double/triple trailers endorsement.
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B
49 CFR 382.601
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C
49 CFR 393.95
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D
49 CFR 395.8
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QUESTION 6 / 25
Which Ohio CDL class normally covers qualifying heavy multiple-vehicle combinations?
Choose one answer below.
A
Ohio Class A covers qualifying multiple-vehicle combinations with a towed unit over 10,000 pounds GVWR.
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B
Class B only
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C
Class C only
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D
a motorcycle endorsement
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QUESTION 7 / 25
How do federal CLP endorsement rules treat doubles/triples?
Choose one answer below.
A
Federal CLP endorsement rules do not include doubles/triples as a CLP endorsement.
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B
T is always a CLP endorsement
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C
hazmat and T are the only CLP endorsements
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D
no endorsement rules apply to CLPs
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QUESTION 8 / 25
How long is an Ohio commercial learner permit valid?
Choose one answer below.
A
Ohio CLPs are valid for 12 months according to Ohio BMV.
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B
30 days
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C
90 days
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D
five years
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QUESTION 9 / 25
What license authority must a driver confirm before operating doubles in Ohio?
Choose one answer below.
A
Operating doubles requires the proper CDL class, T endorsement, and no conflicting restriction.
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B
any regular license
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C
a passenger endorsement only
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D
a farm waiver in all cases
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QUESTION 10 / 25
When a doubles combination has air brakes, what else must the driver be qualified for?
Choose one answer below.
A
Air-brake qualification still matters when the doubles combination is equipped with air brakes.
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B
T removes all air-brake restrictions
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C
air brakes are never tested
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D
air brakes only matter for buses
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QUESTION 11 / 25
What is the main purpose of a converter dolly in a doubles combination?
Choose one answer below.
A
A converter dolly supports and couples the front of the second trailer in a double combination.
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B
replaces the tractor engine
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C
stores driver records
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D
steers the first trailer
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QUESTION 12 / 25
Which device secures the converter dolly drawbar eye to the lead trailer?
Choose one answer below.
A
The pintle hook connects the converter dolly drawbar eye to the lead trailer.
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B
landing gear crank
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C
ABS lamp
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D
cargo seal
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QUESTION 13 / 25
What must be done with converter dolly support legs before travel?
Choose one answer below.
A
Dolly support legs must be raised and secured before driving.
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B
left halfway down
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C
removed for every trip
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D
used as extra brakes
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QUESTION 14 / 25
What defect should you look for when inspecting a dolly drawbar eye?
Choose one answer below.
A
The drawbar eye must be inspected for cracks, distortion, and excessive wear.
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B
paint shine only
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C
radio operation
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D
wiper condition
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QUESTION 15 / 25
What is the required position of the pintle hook safety latch after coupling?
Choose one answer below.
A
The pintle hook safety latch must be closed and locked after coupling.
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B
left open for flexibility
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C
wired open
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D
removed after coupling
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QUESTION 16 / 25
What hazard exists when converter dolly brakes are released on a grade?
Choose one answer below.
A
A converter dolly can roll when its brakes are released, especially on a grade.
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B
cannot roll by design
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C
has no crush hazards
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D
is weightless when empty
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QUESTION 17 / 25
Why must the converter dolly air tank drain valve be closed before travel?
Choose one answer below.
A
The dolly air tank drain valve must be closed before travel so the tank can hold air.
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B
open to cool brakes
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C
removed for highway trips
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D
used as a fuel drain
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QUESTION 18 / 25
What should be included in a dolly fifth wheel inspection?
Choose one answer below.
A
The dolly fifth wheel must be checked for jaws, release arm, mounting, lubrication, and damage.
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B
mudflap color only
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C
license plate style
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D
cab marker lights
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QUESTION 19 / 25
How should a bent or cracked converter dolly drawbar be handled?
Choose one answer below.
A
A bent or cracked dolly drawbar is a structural defect that makes the dolly unsafe.
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B
acceptable for empty trailers
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C
fixed by tape
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D
ignored at low speed
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QUESTION 20 / 25
How should safety chains or cables be handled when the equipment uses them?
Choose one answer below.
A
Safety chains or cables, when present, must be attached and secured without dragging.
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B
wrapped around air lines
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C
left in the toolbox
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D
removed to improve turning
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QUESTION 21 / 25
What is the first coupling step when building a typical set of doubles from a tractor?
Choose one answer below.
A
Build a typical set of doubles by coupling the tractor to the lead semitrailer first.
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B
coupling the rear trailer to the tractor first
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C
opening all shut-off valves first
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D
raising all landing gear first
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QUESTION 22 / 25
After coupling the lead trailer, what is the next major step in building doubles?
Choose one answer below.
A
After the lead trailer is coupled, position the converter dolly behind the lead trailer.
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B
drop the rear trailer first
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C
disconnect all electrical cords
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D
remove the fifth wheel
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QUESTION 23 / 25
How should the rear trailer height compare with the dolly fifth wheel before coupling?
Choose one answer below.
A
The rear trailer should sit slightly lower than the dolly fifth wheel before coupling.
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B
much higher than the dolly
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C
on the ground
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D
at any random height
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QUESTION 24 / 25
What must be done before backing under a trailer?
Choose one answer below.
A
Before backing under a trailer, secure it with locked brakes or wheel chocks.
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B
release every brake
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C
stand between moving units
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D
leave it on a grade unsecured
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QUESTION 25 / 25
What must you visually confirm after a fifth wheel couples to a kingpin?
Choose one answer below.
A
After coupling, visually confirm fifth wheel jaws closed around the kingpin and the lock is engaged.
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B
check only cargo doors
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C
check only paint color
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D
skip visual checks after a tug test
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