General Knowledge 1 Flashcards
You are traveling down a long, steep hill. Your brakes get so hot they fail. What do you do?
Look for an escape ramp or escape route.
The center of gravity of a load:
Can make a vehicle more likely to tip over on curves if it is high
To prevent a load from shifting, there should be at least one tie-down for every _____ feet of cargo?
10 feet
What is the proper way to hold a steering wheel?
With both hands placed on opposite sides of the wheel
You are driving a 40-foot vehicle at 35 mph. The road is dry, and visibility is good. What is the least amount of space or following distance you should keep in front of your vehicle to be safe?
4 seconds
What is true about drinking alcohol and driving?
A few beers have the same effect on driving a a few shots of whiskey or a few glasses of wine.
While driving, ice builds up on your wipers and they no longer clean the windshield. You should:
Stop safely and fix the problem
What is counter-steering?
Turning the wheel back in the other direction after steering to avoid a traffic emergency
What is important to remember when driving in strong winds?
Winds are a big problem when exiting tunnels
To help you stay alert while driving, you should:
Take short breaks before you get drowsy
If you do not have “Hazardous Materials Endorsement” on your Commercial Driver’s License. You can drive a vehicle hauling hazardous materials only when:
The vehicle does not require placards
Cargo inspections:
Should be performed after every break you take while driving
Engine retarders:
Can cause the drive wheels to skid when they have poor traction.
You are driving a new truck with a manual transmission. What gear will you probably have to use to descend a long, steep hill?
A lower gear than you would use to climb the hill
What is important about marking a stopped vehicle?
If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, move the rear reflective triangles bac down the road to give adequate warning.
If a vehicle is loaded with very little weight on the drive axle. What will happen?
Poor traction
What is important about speed management ?
You should choose a speed that lets you stop within the distance that you can see ahead.
What best describes how you should use the brake pedal on a steep downhill grade?
Repeated strong pressure, then release.
What is important about double clutching and shifting?
You can use the tachometer to tell you when to shift
What is important about using turn signals?
When turning, you should signal early
Every time you leave your vehicle you should?
Apply the parking brake
What is important about cargo loading ?
State laws dictate legal weight limits
Which of these is a good thing to do when driving at night?
Keep your speed slow enough that you can stop within the range of your headlights.
If your vehicle catches on fire while you are driving, you should:
Park in an open area
How far ahead of the truck should a driver look while driving?
12-15 seconds
You are checking your tires for a pre-trip inspection. What do you look for?
Tires of mismatched sizes should not be used on the same vehicle
How do you test hydraulic brakes for leaks?
Firmly push down on the brake pedal for 5 seconds and see if it moves
You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?
It may be a slow moving vehicle
An enroute inspection should include checking for:
Tire and brake overheating, and cargo securement
You are driving in the far right lane of a four lane, undivided highway. You come over a hill and find a car stopped ahead in your lane. You do not have room to stop. The hill blocks your view to the rear. The shoulder is clear. Which of these is most likely the best action to take?
Steer to the right
Where should you test the stopping action of your service brakes?
When the truck is driving at about 5 mph
Which of these is not part of the pre-trip inspection of the engine compartment?
Valve clearance
What is important about backing a heavy vehicle?
You should avoid backing whenever you can.
Cargo covers:
Protect other drivers from spilled cargo and are a safely requirement in some states.
For this question, You are driving a long vehicle that makes wide turns. You want to make a left turn from Elm Street onto Oak Street. There are two left turn lanes (marked “A” and “B”) on Elm Street. Oak Street is a four-lane street with two lanes in each direction. You should:
Use left turn lane “B”
High beams should be:
Used when it is safe and legal to do so
What is the MOST IMPORTANT thing to remember about emergency braking?
If the wheels are skidding, you cannot control the vehicle
What is important about managing space?
When the road is slippery, you need much more space to stop
What is important to remember about drugs?
Use of drugs can lead to accidents and/or arrest.
When you park on the side of a level, straight, two-lane road. Where should you place the three reflective triangles?
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 150 feet to the front of the vehicle.
The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in this situation?
Stop driving as soon as you can safely do so
To correct a drive-wheel braking skid, you should:
Stop braking, turn quickly, and counter steer
What is important to remember about tires and hot-weather driving?
You should inspect your tires every two hours or 100 miles when driving in hot weather
Your truck is in a traffic emergency. If you do not take action you may collide with another vehicle. What is a good rule to remember?
You can almost always turn to miss an obstacle more quickly than you can stop
Which fire can be put out with water?
Tire fire
What should you do when your vehicle hydroplanes?
Release the accelerator
What should you know about downshifting?
When you downshift for a curve, you should do so before entering the curve.
You are starting your vehicle from a complete stop. As you apply power to the drive wheels, they start to spin. You should:
Take your food off the accelerator
When the roads are slippery, you should:
Make turns as gently as possible