General Knowledge Test 1
The minimum tire tread depth for front tires is?
4/32 inch.
In Texas, the mud flaps on a truck or trailer must reach?
8 inches of the roadway.
If you are confronted by an aggressive driver, what should you do?
Avoid eye contact; Call the police from your cell phone if you can do it safely; And ignore rude gestures and refuse to react negatively. (ALL OF THE ABOVE)
In Texas, when driving on a downgrade, you must not?
Coast downhill.
After you start the engine, the oil pressure should rise to normal within?
Seconds.
Where should you place your warning devices if you must stop on a one-way road or divided highway at night?
10 feet, 100 feet, and 200 feet toward approaching traffic.
If you are towing another vehicle, the tow connection must not be longer than?
15 feet.
How many tie-downs are required for a 17-foot load?
2 tie-downs
How many reflective warning triangles should you carry with you for emergencies?
3
If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?
4 seconds
In Texas, the maximum weight for a single or combination vehicle including its load is?
80,000 pounds.
If you drive at 55 mph than 65 mph, you can improve your fuel economy by as much as?
A mile per gallon.
In Texas, if your load extends more than 4 feet beyond the rear of your vehicle, you must have?
A special permit; A red flag on the end of the load in the daytime; And a red light on the end of the load at night. (ALL OF THE ABOVE)
You should look at least 12-15 seconds ahead. In city driving, 12-15 seconds is?
About one block.
Which of these is NOT part of the basic method for shifting up?
Accelerating while pressing the clutch and turning toward the driver's side.
If an accident victim is bleeding heavily and no qualified professional is available, what can you do to help?
Apply direct pressure to the wound.
To avoid overloading bridges, a bridge formula restricts the axel weight for axles that?
Are closer together.
If you must drive off the roadway onto the shoulder to avoid a head-on collision with another vehicle, what should you do?
Avoid braking, Keep one set of wheels on the pavement, Stay on the shoulder until you've stopped. (DO ALL OF THE ABOVE)
You don't want to be distracted driver, so you?
Avoid using your cell phone until you reach your destination.
Why should you use a helper when you are backing up?
Because every truck has blind spots.
Why should you be especially alert for drivers who are tourists?
Because they may be unfamiliar with the area.
During your pre-trip inspection, you should do which of the following inside the cab?
Check that you have all your required papers; Secure all loose items; Turn off unnecessary lights. (ALL OF THE ABOVE)
A fire extinguisher that is rated B:C is suitable for?
Electrical fire and burning liquids.
How can you start moving without rolling backward?
Engage the clutch before removing your foot from the brake, Set the parking brake whenever necessary, Apply the trailer brake hand valve. (DO ALL OF THE ABOVE)
After your first stop, how often must you stop to check if your cargo is secure?
Every 3 hours or 150 miles
Objects that are viewed in a curved (convex) mirror may appear?
Farther away than they really are.
If you double your speed, how much more distance will it take to brake to a stop?
Four times as much.
While driving at night, which lights should you use as often as you can?
High beams.
Which of the following statements about an escape ramp is FALSE?
It is of no use if you traveling too fast.
What is a particular risk associated with transporting hanging meat?
It may change your vehicle's handling characteristics.
Streaks of rust on a lug nut are signs that?
It's loose.
You should inspect wheel bearing seals for?
Leaks.
How can you determine if your vehicle is equipped with an antilock braking system (ABS)?
Look for wheel speed sensor wires that are coming from the rear of your brakes; Check for a yellow ABS malfunction lamp on the instrument panel; And Check if your vehicle was manufactured after March 1, 1998. (Such vehicles are required to have the panel light.) (ALL OF THE ABOVE)
If the engine is not overheated, is it completely safe to remove the radiator cap?
No.
How many different states' commercial driver licenses (CDLs) can you hold simultaneously?
One.
If dense fog reduces visibility to near zero, what should you do?
Pull off the road and stop.
If you are pulling a trailer and a fire breaks out inside it, what should you do?
Pull off the road, get out of the vehicle and keep the trailer door closed.
In Texas, if you must stop on the road or the shoulder of the road in the daytime, what kind of warning devices should you use?
Red flags.
Which of these describes how you should use the brake pedal on a steep downhill grade?
Release the brake when you are 5 mph below your safe speed are let your speed come back up to your safe speed. Then repeat braking to 5 mph below your safe speed.
In Texas, which of the following are you not allowed to transport in an open truck?
Sand, Gravel, Wood chips. (All of the above)
In Texas, which of the following must come to a complete stop at a rural railroad crossing?
School buses, Heavy equipment (e.g., steamrollers), Trucks carrying explosives. (ALL OF THE ABOVE)
While driving a vehicle with dual tires, you hear a noise that sounds like a tire blowout. However, your vehicle's handling seems unaffected. What should you do?
Stop and check your tires now.
If you are going through an underpass at which the road has been repaved recently,(?)
The vertical clearance may be less than it used to be.
What will help a drunk sober up?
Time.
In which of the following situations should you NOT sound your horn?
To express your annoyance at someone.
What are two of the most common causes of tire fires..
Underinflation and dual tires that touch.
To obtain a CDL, you must certify that?
You are not addicted to alcohol; You are not addicted to drugs; And you are not an insulin-dependent diabetic. (ALL OF THE ABOVE)
If you are found to be driving a commercial motor vehicle with your blood alcohol concentration (BAC) above zero but below 0.04%
You will be ordered out of service for 24 hours.
If you are stopped by the police and refuse to submit to a chemical test for drugs or alcohol, (?)
You will lose your CDL for at least one year.
When passing a motorcycle, keep in mind that?
Your vehicle can drag a motorcycle off course.
