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MN CDL DOUBLES TRIPLES TEST - PRACTICE TEST

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Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Minnesota doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The MN CDL doubles triples test covers the following sections of the Minnesota CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this MN CDL practice test now to prepare for the actual test!
1. Which of the following is not proper tie-down equipment:
Straps
Chains
Ropes
Bungee cords
2. Retarders:
reduce the danger of slipping.
improve gas mileage.
help slow a vehicle, reducing the need for using brakes.
reduce braking distance.
3. To use the controlled braking method in an emergency, you should:
apply the brakes when the wheels lock up.
apply your brakes all the way, and release the brakes when the wheels lock up.
apply the brakes as hard as you can without locking the wheels.
pump the brake pedal 3 times.
4. As you approach off ramps and on ramps, remember:
that downgrades make it easier to reduce speed.
to maintain your highway speed.
that the posted speed limit may not be safe for larger vehicles.
to always brake and turn at the same time.
5. If you cannot make a right turn without entering another traffic lane, you should:
turn wide as you complete the turn.
swing wide to the left before starting the turn.
watch out for vehicles coming toward you and back up for them.
turn wide before you start the turn.
6. Watch out for black ice:
when it is snowing.
right after it starts to rain.
when the temperature is above freezing and the road is dry.
any time the temperature is below freezing and the road looks wet.
7. To reduce the chance of rollover, you should:
distributed the cargo as low as possible inside the trailer.
put the lightest parts of the cargo under the heaviest parts.
place the cargo as high as possible inside the trailer.
None of the above.
8. Your vehicle has air brakes. To stop, you should:
release the accelerator, push in the clutch, and shift to Neutral at the same time.
pump the brake pedal 3 times.
pull the parking brake control knob out.
push the brake pedal down.
9. After an accident, an improper use of flares could cause:
a fire if spilled fuel is on the ground.
air pressure to build from 50 to 100 psi within 2 minutes.
the vehicle to slide back and forth.
the springs to put on the brakes.
10. Empty trucks:
require shorter stopping distances than fully-loaded trucks.
may have poor traction.
have better traction than fully-loaded trucks.
None of the above.
 
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MN Doubles Triples Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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