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CDL COMBINATION PRACTICE TEST CONNECTICUT

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Connecticut CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Connecticut CDL Manual. Take this practice test now to prepare for the actual CT CDL combination test!
1. If a drawbridge does not have a signal light or traffic control attendant, you should:
stop at least 5 feet before the draw of the bridge.
stop and look to make sure the draw is completely closed before crossing.
get through the drawbridge as quickly as possible.
drive through the drawbridge with caution.
2. How do you find out how many seconds of following distance you have?
Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
None of the above.
3. What can cause poor traction?
Too little weight on the driving axles.
Too much weight on the steering axle.
Overloading the truck.
All of the above.
4. What factors can cause brakes to fail or fade?
Excessive use of the service brakes
Brakes out of adjustment
Not relying on the engine braking effect
All of the above.
5. Containerized loads:
should exceed gross weight and axle weight limits.
are generally used for freight carried part way by rail or ship.
must be inspected before and after the trip.
All of the above.
6. Most heavy-duty vehicles use:
solid brakes.
air brakes.
pressure brakes.
hydraulic brakes.
7. When driving on slippery roads, you should NOT:
use the engine brake.
go slowly.
watch far enough ahead to keep a steady speed.
try to anticipate stops early.
8. What is the emergency air line for?
It controls theĀ front brakes of the tractor in case of an emergency.
It supplies air to the trailer air tanks, and controls the emergency brakes on combination vehicles.
It tells you the amount of brake pressure you need to stop the vehicle.
All of the above.
9. Which of these is more likely to rollover due to the "crack-the-whip" effect?
The last trailer of triples
The front trailer of 65 ft. conventional doubles
5-axle tractor semitrailers
The last trailer of doubles
10. If driving a heavy vehicle, you should:
stay in the right lane.
stay in the left lane.
try to pass other vehicles going uphill.
avoid braking.
 
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CT CDL Combination 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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