TX CMV Handbook: General Knowledge 5 Flashcards
What should you do if your vehicle gets stuck on the railroad tracks?
Get out of your vehicle and away from the tracks
What is the minimum tread depth for tires other than front tires?
2/32 inch
The distance traveled from the time the brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal is the _______.
reaction distance
__________ involves releasing the brakes only after the wheels lock up.
Stab braking
Can federal inspectors inspect your truck or bus?
Yes, and they might place it out of service.
If you are driving a long distance, you should _________.
stop often and take short breaks before you feel really drowsy or tired
If you have a heavy load that is slowing you down on an upgrade, you should _________.
shift into a lower gear
Cargo that can shift should have at least ___ tie-down(s).
2
Converter dollies built on or after March 1, 1998 are required to have anti-lock brakes. These dollies will have a yellow malfunction lamp on _________.
the left side of the dolly
Why is it important to have a helper when backing?
Because you have blind spots.
How long does it take a typical tractor-trailer to clear a double railroad track?
More than 15 seconds
A road user or condition that presents a possible danger is known as a _______.
hazard
Avoid medications that cause drowsiness, schedule your trips for the daytime hours, and get 8-9 hours of sleep beforehand to __________ on your trips.
maintain alertness
Where should you place your warning devices if you must stop on a one-way road or divided highway?
10 feet, 100 feet, & 200 feet toward approaching traffic
Letting air out of hot tires ___________.
is a bad idea because when the tires cool off, the pressure will be too low
If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?
4 seconds
When checking tires for a pre-trip inspection, tires of _______ should not be used on the same vehicle.
mismatched sizes
To give adequate warning when passing someone, you should?
Tap (gently) the electrical horn first
The purpose of a baffle is to ______.
control the load surge
The only thing that can cure fatigue is _______.
sleep
Which of these items is checked in a pre-trip inspection?
Whether all vehicle lights are working and are clean, wiper blades, & cargo securement
Can be caused by the brakes becoming too hot?
Brake fade
Can cause the vehicle to skid when the road is slippery?
Retarders
First step to take when your vehicle catches fire while driving:
Get the vehicle off the road and stop in an open area
Medical certificates must be renewed every ______.
two years
A vehicle’s clearance ______ with the load carried.
can change
If you are stopped at a roadside rest and are found with a BAC or blood alcohol concentration of .02 you will
be placed out of service for 24 hours.
You should avoid driving through deep puddles or flowing water. But if you must, which of these steps can help keep your brakes working?
Gently pressing the brake pedal while driving through the water
How should you use a brake pedal on a steep downhill grade?
Release the brake when you are 5mph below your safe speed, then let your speed come back up to your safe speed and repeat.
Is backing always dangerous? (True/False)
True.
- Because you cannot see everything behind your vehicle, backing is always dangerous.
An en-route inspection should include checking ______, ______, & ______.
Tire temperature, brake temperature, cargo doors & cargo placement
To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back into the pavement?
Come to a complete stop if possible, before steering back onto the pavement.
What is the average effective braking distance?
216 feet
______ can have a bad effect on steering, braking, and speed control.
Overloading
_________ is used to keep a vehicle from skidding.
Controlled braking
You are starting a vehicle in motion from a stop; as you apply power to the drive wheels, they start to spin. You should _____________.
take your foot off the accelerator
Where should your ignition key be during your pre-trip inspection?
In your pocket
When driving in fog, you should be going?
Only fast enough so that you can stop within the distance that you can see ahead
Not steering more than needed to clear what is in your way is a good rule to follow when _____________.
steering to avoid a crash
