General Knowledge (Wrongs) Flashcards
When should you test your parking brakes?
While the vehicle is parked
When loading a trailer, if the cargo is loaded all to the rear, it may result in?
Poor traction on drive wheels
Which of these should be tested while the vehicle is stopped?
Hydraulic Brakes
Retarders:
Can cause the drivers wheels to skid when they have poor traction
The purpose of the retarders is to:
Help slow the vehicle while driving and reduce brake wear
What keeps an engine cool in hot weather driving?
Enough engine oil level
When driving at night, you should?
Adjust your speed to keep your stopping distance within your sight distance
Which of these statements is true?
Many heavy vehicle accidents occur between midnight & 6am
Which of these statements about acceleration is true?
Rough acceleration can cause mechanical damage
The drivers Manuel suggests several things to do when you pass a vehicle. Which of these is not one of them?
At night turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle
When the roads are slippery, you should?
Make turns as gentle as possible
Which of these statements about brakes is true?
The heavier a vehicle or the faster it is moving, the more heat the brakes must absorb to stop it
When should you test your parking brakes?
While the vehicle is parked
To avoid an accident you moved to the shoulder. The shoulder is clear, you should:
Stay on the shoulder until your vehicle has come to a stop
Which of these should be tested while the vehicle is stopped?
Hydraulic brakes
What should be true about other drivers:
Short term and daily rental trucks are often not use to the limited vision, which makes these drivers a hazard
You are checking your steering and exhaust system in a pre trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven?
Steering wheel play of more than 10 degrees
Which of these is true about radiator shutters and the winter front during winter driving?
Ice should be removed from the radiator shutter
Gross vehicle weight (GVW) means the following:
Total weight of a single vehicle plus its load
The distance that you should look ahead of your vehicle while driving is about __ at low speed?
1 block
What is countersterring?
Turning the wheel back in the other direction after steering to avoid a traffic emergency
Which of these statements about tires and hot weather is true?
You should inspect your tires every two hours or 100miles
The engine break effect is greater when the engine is ____ governed RPM & the transmission is on a ___ gear.
Near, Lower
Which one of these statements about downshifting is true?
When you downshift for a curve, you should do so before you enter the curve.
Where should the ignition key be during the pre-trip inspection?
In your pocket
You should use your mirror to check?
Where the rear of your vehicle is while you make turns
Why is it important to shift gears correctly?
To keep control of the vehicle
You are required to inspect your truck within how many miles after beginning the trip
50
You are checking your steering and exhaust system in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven?
Steering the wheel play of more than 10 degrees (2 inches on 20 inches steering wheel)
What should you do if a car coming towards you at night keeps its high beams on?
Look to the right lane or edge markings of the road
If your brakes fail on downgrade, you must first?
Look outside your vehicle for another means of slowing you down
Which vehicle will have the most difficulty staying in its lane during strong winds?
A double with an empty trailer
How much space in front of you is needed while driving on a highway?
1 second for each 10 feet of vehicle length
Escape ramps:
Should be used by any driver who loses braking power
If you have a heavy load that is slowing you down on an upgrade you should:
Shift to lower gear
You are traveling down a long, steep hill. Your brakes get so hot they have failed. What should you do?
Look for a ramp or escape route
If you do not have a CB-radio, what procedure should you follow on an accident scene?
Protect the area
Communication means:
To communicate your intention to the other motorist
When driving in cold weather your tire tread should:
Provide enough traction to push the rig over wet pavement
When you are driving on a snow packed road, you should reduce your speed by:
1/2
Which of these rigs has a higher chance to off-track while making a turn?
Tractor with two 27-feet trailers
The center of gravity of a load:
Can make a vehicle more likely to tip over on curves if it is high
Which of these is NOT a danger of a rough acceleration?
Tire damage
When driving through the work zone you should:
Watch for sharp pavement drop off
When you are starting to move up a hill from a stop:
Release the parking brakes as you apply engine power
What is the term for a commercial vehicle habit of swinging wide on turns?
Off tracking
The bridge formula
Permits less maximum axle weight for axles that are closer together
You are required to inspect your truck within how many miles after beginning the trip?
50
Which of these statements about pre-inspection is true?
If you need to tilt a cab, secure loose things so that they could not fall or break anything
Which of the following vehicles will have the longest stopping distance?
Empty truck
When going down a long steep down grade you should always:
Use the braking effect of the engine
After starting the engine:
The coolant temperature gauge should begin a gradual rise to normal
Perception distance is the distance your vehicle travels from the time:
The eyes see a hazard to the time the brain knows that this is a hazard
If a straight vehicle goes into a front wheel skid, it will:
Go straight ahead even if the steering wheel is turned