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Triple/Double

QuestionAnswer
With hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear Air escape from the open valve
you are driving with double trailers and must use your brake to avoid a crash. For emergency braking, you should. use controlled or stab braking
Which of these statement about emergency steering is true If you have traffic on both sides of your vehicles and something is blocking your lane, a move to the right is still the best choice
The converter dolly air tank drain valve on coupled double/triple trailers should be closed
To check if the converter dolly is securely coupled to rear the rear trailer, you should Pull gently against the pin of the second trailer
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel none
You are doing a walk-around inspection of a double or triple trailer rig. you should be sure the converter dolly air tank drain valves are__ and the pintle hook is__ closed, latched
During normal operation, the breaks of the double/triple trailer are controlled by foot pebal
Which of these will result in the best control on curves slow to the safe speed before entering, then accelerate slightly through the curve
the best way to stop any skid is to restore traction to the tire
you are driving a set of doubles and a set of trailer wheel goes into a skid. which of these is most likely to occur you will have a trailer jackknife
you are driving on slippery road during the day what does the driver's manual say about how much space you should keep ahead of your truck Allow much more space than id needed for ideal driving conditions
which of these is NOT a good thing to do when driving on slippery road use the engine brake or speed retarder
when testing the coupling of the double trailer, the landing gears of the rear trailer should be: slightly raised
you must drive through deep or flowing water; you should not: Drive through quickly
When you turn with the tractor/triple trailer combination, the wheel that off-track (cheat) the most area the wheels of the last trailer
How can you be sure you supplied air to a second trailer Go the rear of the second trailer and open the emergency line shut-off
Before you can supply air to the air tanks of a second trailer, you need to open the shut-off valves at the rear of the first trailer and close the shut off valves at rear of the second trailer
The trailer air supply control should pop out when the air pressure fall into the pressure range of 20-45psi
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer The dolly tow bar may fly up
you should check trailer height before connecting a converted dolly to second or third trailer. the trailer height is right when The trailer will be raised slightly when the converter dolly is backed under it
The best way to keep brakes from getting too hot while going down long grades is to Go slow and use only light, steady pressure on the brakes
You are driving a 100-foot truck with double trailers at 30 mph. The road is dry and visibility is good. You should keep at least__ second of space ahead of you 10
when driving a truck with more than one trailer, which trailer should be first behind the truck the heaviest
you are driving at night, and you must dim your headlight for traffic. Good speed management says you should slow down
Empty truck May have poor traction due to bouncing and wheel lockup
Which of these statements about the handling of doubles and triple is true A sudden movement with the steering wheel can result in a tipped over rear trailer
If you want to couple a second trailer to your combination vehicle, secure it by using: Both if available
You are driving a 100- foot truck with double trailers at 50 mph. The road is dry, and visibility is good. You should keep at least __ second of space ahead of you. 11
Which of these statements about quick steering movements and doubles/triples is true Doubles/Triples turn over from quick steering moves more easily than many vehicles
Converter dollies Often do not have spring brakes
you want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks, you should supply air to the trailer air system with the tractor and then disconnect the emergency line
Which of these statements about managing space to the sides is true? you should avoid traveling next to other when possible
some large truck have curved mirrors. These mirrors Make things seem smaller and further away than they really are
Crack the whip effect occurs when you make a quick lane change
Converter dollies with anit-lock brakes have a yellow lamp on what side of the dolly? left side
Created by: 0321steve
 

 



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