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CONNECTICUT DOUBLES TRIPLES PRACTICE CDL 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 Connecticut doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The CT CDL doubles triples test covers the following sections of the Connecticut CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this CT CDL practice test now to prepare for the actual test!
1. At dawn, dusk, in rain or snow, to make yourself easier to see you should:
use the parking lights.
use the high beams.
use the low beams.
use the emergency flashers.
2. How should you apply the brakes when going down a steep downgrade?
Apply the brakes as hard as you can without locking the wheels.
Apply the brakes when you reach the bottom of the downgrade.
Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
You should not brake, and only use engine braking to prevent brake failure.
3. Dollies with ABS are required to have a malfunction lamp:
on the front.
on the left side.
on the rear.
on the right side.
4. When driving in very hot weather, you may have to:
decrease your following distance.
increase your speed until the tires cool off.
watch out for black ice.
reduce your speed to prevent overheating.
5. Air brakes use ________ to make the brakes work.
compressed air
compressed gases
compressed gas cylinders
compressed oil
6. Hydroplaning:
is less likely if tire pressure is low.
can occur only if there is a lot of water on the road.
can occur at speeds as low as 10 mph, if there is a lot of water.
can occur at speeds as low as 30 mph.
7. For safe handling, the heaviest trailer should be:
the second trailer in a triple.
the last trailer.
behind the tractor.
None of the above.
8. Your vehicle should be equipped with all of the following except:
Warning devices for parked vehicles
Instructions on how to perform a vehicle inspection test
Fire extinguisher
Spare electrical fuses
9. What is the most important reason to inspect your vehicle?
Achieving the best gas mileage.
Saving money by preventing costly repairs.
Your safety and that of other road users.
Vehicle inspection is required by federal and state laws.
10. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Engine oil level
Coolant level in radiator
Windshield washer fluid level
Shock absorbers
 
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CT Doubles Triples CDL 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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