Basic Knowledge Questions Flashcards
You are during a 40 feet vehicle at 55 mph the road is dry and visibility is good. What is the least space you need to have in front of you?
5 seconds
Your vehicle outside mirrors should be adjusted in a way that
Some parts of the vehicle is showing
Your vehicle will be put out of service if more leaves in any leaf spring are missing.
One Fourth (1/4)
Which of these is not a good rule to follow when carrying for an injured person at the accident scene?
Keep an injured person cool
In mounting driving, you will have to use lower gears to drive safely on a grade which of these does not affect your choice of gear
Tire thread type
which of these statements about speed management is true?
You should choose a speed that lets you stop within the distance that you can see ahead
If your brake fails on a downgrade, you must first
Look outside your vehicle for another means of slowing it
When you are starting to move up a hill from a stop
Release the parking breaks as you apply engine power
A good indication that ice is forming on the roadway is when?
Your outside mirrors have ice on them
When should you test the parking brake
While the vehicle is parked.
During a vehicle inspection checking the ___________ will not help prevent fire.
Battery Fluid Level
You should use your mirrors to check __________
Where is the rear of your vehicle is while you make rurns
To prevent a load from shifting, there should be at least one tiedown for every __ feet of cargo
10 feet
You are traveling down a long steep hill, your breaks get so hot that they fail, What should you do?
Downshift pump breaks and look for an escape ramp or escape route
If you do not have a CB radio what is the first thing you should do in an accident?
Protect the area
Which of these best describes how you should use the brake pedal on a steep downhill grade?
Light, Steady Pressure
While checking if the trailer is securely coupled to that trailer the landing gear should be?
Slightly Raised
You have a major leak in the service line and if you put on the brakes service air will escape and cause the _____
Trailer emergency brakes to come on
When you are uncoupling a loaded trailer, you should the landing gear until
Makes firm contact with the ground, then crank it in low gear a few extra turns
After the trailer has been coupled to the tractor, the tractor protection control value should be placed in ___ position
Normal
When coupling, the proper position of the 5th wheel is
Titled down toward the end of the trailer
You supply air to the trailer tanks by
pushing in the trailer air supply value
The tractor protection value will close and the trailer emergency brakes will come on when there is a major leak in the____ break line
Emergency
The safety catch for the 5th wheel locking lever must be___ for coupling to be complete
Over the locking lever
Off-tracking or “cheating” causes which of these to follow the widest path while making a turn?
S- axel tractor towing a 45 feet trailer
When checking the trailer emergency break, the tractor protection value should be placed in the __ position
Emergency
Which of these statements is true?
bobtail tractors can take longer to stop than a combination vehicle loaded to maximum gross
When uncoupling the trailer after you have shut off the trailer air supply and locked the trailer brake you should
Backup slowly to ease the pressure of the 5th wheel locking jawso
You will know if the trailer ABS brake is not working properly by?
Yellow ABS malfunction lamps on the left side of the trailer stays on
Where should the tractor be when you inspect landing gear after uncoupling the trailer
With the tractor under the trailer
To stop a trailer skid you should
Release the service brakes
A tractor-trailer vehicle combination is most likely to rollover in turns when the configuration is
triple 27 ft trailers