, If you cross connect the two air lines the following will result - CORRECT ANSWERS-
You will not have air going to the trailer brakes
You have coupled with a semi-trailer. In what position should you put the front trailer
supports before driving away? - CORRECT ANSWERS-Fully raised with the crank
handle secured in its bracket
Th trailer air supply control: - CORRECT ANSWERS-Is a red, eight sided knob
A device which connects the service and emergency air lines from the truck to the trailer
is called.. - CORRECT ANSWERS-Glad hands
If one of the glad hands on your blue air line is missing a seal: - CORRECT ANSWERS-
You might end up with a service line air leak
In order to supply air to the trailer, you must first: - CORRECT ANSWERS-Stop engine
so you can hear the brakes
The hand valve should be used: - CORRECT ANSWERS-To test the trailer brakes
The air leakage rate for a combination vehicle (engine off, brakes on) should not be
more than _______ psi per minute - CORRECT ANSWERS-4
When should you use the hand valve to park a combination vehicle? - CORRECT
ANSWERS-Never
When you get ready to back under the semi-trailer you should line up - CORRECT
ANSWERS-Directly in front of the trailer
If the service air line comes apart while you are driving a combination vehicle but the
emergency line stays together, what will happen right away - CORRECT ANSWERS-
Nothing is likely to happen until you try to apply the brakes
When uncoupling, if you park the trailer at an angle... - CORRECT ANSWERS-You
could do damage to the landing gear
Which of these statements is true? - CORRECT ANSWERS-"Bobtail" tractors can take
longer to stop than a combination vehicle loaded to the maximum gross weight
In normal driving, some drivers use the hand valve before applying the brake pedal to
prevent a jackknife. Which of these statements is true? - CORRECT ANSWERS-It
should not be done
You will not have air going to the trailer brakes
You have coupled with a semi-trailer. In what position should you put the front trailer
supports before driving away? - CORRECT ANSWERS-Fully raised with the crank
handle secured in its bracket
Th trailer air supply control: - CORRECT ANSWERS-Is a red, eight sided knob
A device which connects the service and emergency air lines from the truck to the trailer
is called.. - CORRECT ANSWERS-Glad hands
If one of the glad hands on your blue air line is missing a seal: - CORRECT ANSWERS-
You might end up with a service line air leak
In order to supply air to the trailer, you must first: - CORRECT ANSWERS-Stop engine
so you can hear the brakes
The hand valve should be used: - CORRECT ANSWERS-To test the trailer brakes
The air leakage rate for a combination vehicle (engine off, brakes on) should not be
more than _______ psi per minute - CORRECT ANSWERS-4
When should you use the hand valve to park a combination vehicle? - CORRECT
ANSWERS-Never
When you get ready to back under the semi-trailer you should line up - CORRECT
ANSWERS-Directly in front of the trailer
If the service air line comes apart while you are driving a combination vehicle but the
emergency line stays together, what will happen right away - CORRECT ANSWERS-
Nothing is likely to happen until you try to apply the brakes
When uncoupling, if you park the trailer at an angle... - CORRECT ANSWERS-You
could do damage to the landing gear
Which of these statements is true? - CORRECT ANSWERS-"Bobtail" tractors can take
longer to stop than a combination vehicle loaded to the maximum gross weight
In normal driving, some drivers use the hand valve before applying the brake pedal to
prevent a jackknife. Which of these statements is true? - CORRECT ANSWERS-It
should not be done
