General Knowledge - Quiz Sample #5, 20 questions
Name some things you should check on the FRONT of your vehicle during your pre-trip inspection:
Low beams, high beams, four way flashers, and turn signals.
Windshield wipers, mirrors, and hood latches.
Oil, transmission, air compressor, and radiator.
Why are placards used?
So hazardous materials are not mixed with food.
Lt is the law.
To communicate the risk.
Name some suspension system defects:
Broken leaves in leaf spring and cracked or broken spring hanger.
Leaking shock absorbers.
All of the answers are correct.
How can you avoid the effects that wet brakes can cause?
Slow down and place the transmission in low gear.
Gently put on the brakes and increase engine rpm, cross the water while keeping light pressure on the brakes.
When out of water maintain light pressure on the brakes for a short distance.
All of these answers are correct.
What things should you check during a trip?
Check load stability by slightly swerving left to right in your lane.
Map, directions, and weather report.
Watch gauges, mirrors, and use your senses to check for problems ... LOOK, LISTEN, AND SMELL.
Why should you be in the proper gear before starting down a hill?
Because you need to be in the same gear at the bottom of the hill.
You will not be able to shift into a lower gear once you are going down a hill.
Because the clutch is made to be used on even surfaces.
What is an advantage of going right instead of left around an obstacle?
There is no advantage.
It is much easier to turn a truck to the right.
If you are blocked on both sides, a move to the right won't force anybody into an opposing traffic lane and a possible head-on collision.
Name two situations where legal maximum weights may not be safe to haul:
During bad weather or in mountains.
Through tunnels and over bridges.
At night or during heavy traffic.
What three things related to cargo are the driver's responsibility?
Inspecting the cargo, recognizing overloads, and properly securing the cargo.
Inspecting the cargo, hauling the cargo, and securing the cargo.
Weighing the cargo, securing the cargo, and delivering the cargo.
What is a hazardous materials placard?
Signs put on the outside of a vehicle which identify the hazard class of the cargo.
Signs put on the back of a vehicle which identify the hazard class of the cargo.
Signs put on the outside of a vehicle which identify the hazard class and weight of the vehicle.
What must you check before transporting a sealed load?
That the seal is authentic.
That the load is properly secured.
That the placard numbers match the seal numbers.
How do you calculate how many seconds of following distance space you have?
Wait until the vehicle ahead of you passes a clear landmark, then count off the seconds until you reach the same spot.
Wait until the vehicle ahead of you passes a clear landmark, then count off the seconds until you reach the same spot, then multiply your figure by 2.
Divide your speed by four and add one second for every ten feet of trailer you are hauling.
What is a "pull-up"?
When pulling off the shoulder you pull up until the trailer is straight.
A maneuver performed by a tow truck to pick up an overturned truck.
Pulling forward while backing a trailer to reposition it.
Select the proper collision procedures that are required for any collision that you are involved in; in which you are not seriously injured.
Protect the area.
Notify the authorities.
Care for the injured.
Collect required information.
Report the collision.
All of these are required.
The tendency for long commercial vehicles to swing wide on turns is called:
Off-tracking.
Hydroplaning.
Fishtailing.
What should you do if you get stuck on the railroad tracks?
Scream for help.
Get out of your vehicle and away from the tracks.
Stay in your vehicle.
Which of these is a good thing to remember about drinking alcohol?
Alcohol first affects judgment and self-control.
Small quantities of alcohol can improve reaction time.
The driver can control how quickly the body rids itself of alcohol.
Which of these statements is true about medicines used to treat the common cold?
It can be used while driving as long as you only take half the regular dose.
It should only be used when driving during the daytime.
It often makes you sleepy, thus should not be used while driving.
The total weight of the powered unit, the trailer, and the cargo is called:
Gross vehicle weight.
Gross combination weight.
Gross axle weight.
Which piece of emergency equipment should be in your vehicle?
Circuit breakers.
First Aid Kit.
Warning devices for parked vehicles.
Which of these statements is true about causes of vehicle fires?
Under-inflated tires will NOT cause a vehicle fire.
Carrying a properly charged fire extinguisher will help prevent fires.
Poor trailer ventilation can cause flammable cargo to catch on fire.
Which of these statements is true about vehicle fires?
If the cargo or box trailer catches on fire, open the doors as soon as you can.
If your engine is on fire, open the hood as soon as you can.
A burning tire should be cooled with water.
Which of these statements is true about brakes.
Brakes absorb more heat when stopping heavier vehicles.
Brake drums cool very quickly when the vehicle is moving very fast.
Brake fade is not caused by heat.
Which of the following does not provide extra gears on some trucks?
Automatic transmissions.
Auxiliary transmissions.
Multi-speed rear axles.
Which of these is not a danger when an automatic transmission is forced into a lower gear at a high speed?
Damage to the transmission.
Loss of engine braking effect.
Loss of steering control.
Which of these statements is true about backing heavy vehicles?
You should avoid backing whenever you can.
Helpers should be out of sight and use only spoken signals to communicate with the driver.
It's safer to back toward the right side of the vehicle.
The distance you should look ahead is __ while driving at highway speeds.
1/8 mile
1/4 mile
1/2 mile
The Commercial Driver's Handbook suggests several things to do when you pass a vehicle. Which of these is NOT one of them?
Lightly tap your horn if needed.
At night, turn on your high beams while you pass the vehicle.
Assume the other driver does not see you.
Which of these statements is true about speed management?
Shady parts of the road allow better traction than open areas.
Road surfaces will freeze before bridges.
On slippery roads, it takes longer to stop and is harder to turn without skidding.
You are driving a heavy vehicle and must exit a highway using an off-ramp that curves downhill. You should:
Slow down to a safe speed before taking the curve.
Slow down to the posted speed limit for the off ramp.
Wait until you are in the curve before downshifting.
Which of these is a good thing to do when driving at night?
Drive slowly enough to stop within the range of your headlights.
Look directly at oncoming headlights only briefly.
Keep your instrument lights bright.
Which of these is NOT something you should do if your headlights are not working properly?
Clean the headlights.
Leave your high beams on.
Adjust the headlights.
When roads are slippery you should:
Decrease the distance that you look ahead of your vehicle.
Stop and test the traction while going up hills.
Take turns as carefully as possible.
You should avoid driving through deep puddles or flowing water but if you cannot, which of these steps can help keep your brakes working?
Gently putting on the brakes while driving through the water.
Turning on your brake heaters.
Pressing both the brake pedal and the accelerator firmly after coming out of the water.
Which of these is true about the radiator shutters and the winterfront?
The winterfront should be closed tightly.
You should remove ice from the radiator shutters.
The engine may overheat if the winterfront is left open.
Which of these statements is NOT true about engine belts in hot weather?
Cracking is likely to occur but it is not a safety threat.
You can check the tightness of belts by pressing on them.
Loose belts will not turn the water pump and/or fan on properly.
What should you do if you see a hazard in the roadway?
Swerve around it and get back into your lane.
Stop quickly and pull to the side of the road.
Use your 4-way flashers or brake lights to warn others.
A car suddenly "cuts" in front of you creating a hazard. What should you NOT do?
Honk and stay close behind the car.
Slow down to prevent a crash.
Signal and change lanes to avoid the car if possible.
Your vehicle has hydraulic brakes. When traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?
The parking brake will not work because it is part of the same hydraulic system.
Pumping the brake will generate enough pressure to stop the vehicle.
Shifting into neutral will help slow the vehicle.
Bridge formulas permit:
Less maximum axle weight for axles that are close together.
Less maximum axle weight for axles that are far apart.
The same maximum axle weight for any axle spacing.
You are checking your steering and exhaust systems in your pre-trip inspection. Which of these problems should be fixed before the vehicle is driven?
Oil on the tie rod.
Grey smoke from the exhaust pipe.
Steering play- more than 10 degrees (2 inches on a 20 inch wheel).
Which of these items is NOT checked on a pre-trip inspection?
Whether all vehicle lights are working and clean.
Cargo securement.
Amount of fuel in the vehicle.
One can recognize hazardous materials by looking at the container's:
Label.
Shape.
Color.
If you must stop on a hill on a two-way, two-lane road. How far back should you place your reflective triangles?
Within 250 feet behind the vehicle.
Within 500 feet behind the vehicle.
As far back as necessary, so that others can see your vehicle.
Which of these is true about hours of service?
You must take a break after every two hours of driving.
After 1,000 hours of service you will be exempt from certain regulations.
You should balance your hours of service with enough sleep to keep you alert.
You should try to park your vehicle so:
You can pull forward when you leave.
There is at least one curb next to your vehicle.
Your vehicle is protected by trees or some overhang.
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