General Knowledge Eng 10

Why are placards used?

To prevent terrorism.
So hazmat is not mixed with food.
It is the law.
To communicate the risk.

You are checking your wheels and rims for a pre-trip inspection. Which of these answers is true?

Lock rings uneven can be used at the same vehicle
A vehicle can be safely driven with one missing lug nut on a whee
Rust around wheel nuts may mean that they are loose
None of the above

If you see a hazard ahead that will require slowing down you should ________ to warn the drivers behind you.?

Apply the brakes firmly.
Flash your brake lights.
Change lanes.
Sound the air horn.

If you must stop up to your shoulder on a main road, you should?

Keep a set of wheels on the pavement, if possible.
Use the controlled braking method
Turn over the shoulder without braking.
Brake quickly several times to turn on your brake lights

Which of the consequently can be hazards?

Loaded station wagons, confused drivers.
Vans, delivery trucks, slow drivers.
Postal vehicles, workers.
Parked vehicles, shoppers.

Which of these contains more alcohol?

A 12-ounce mug of beer with an alcohol content of 5% by volume
A 5-ounce glass of wine with an alcohol content of 12% by volume
A 1 1/2 ounce shot of 80-proof liquor
All the options contain the same amount of alcohol.

What should you not do if you suspect that one of your vehicle’s tires has melted?

Continue driving until you are sure it was one of the tires on your vehicle that exploded.
Hold the steering wheel firmly.
Stay out of the brake.
Check all tires after stopping

When your vehicle is involved in an accident, you must try to?

Keep one empty lane between your vehicle and the other.
Stop all traffic in other lanes.
Honk your horn to warn other vehicles for 15 minutes.
Get it to the side of the road.

How often should truck drivers and truck tractors have a safety inspection?

Before driving.
Before driving, every 3 hours while driving and after driving
Every 5 hours and after driving.
After driving

You are driving on slippery ice. Your rear-drive wheels lock, and you begin to skid. Which of these is the best action to make7?

Take your foot off the accelerator and press the brake.
Take your foot off the accelerator and press in the clutch.
Brake hard and pull of the road.
Shift neutral

Perception distance is when?

Your eyes see a hazard, until the time your foot push the brake pedal
The brain tells your foot to push the brake pedal, until the time your foot push the pedal
Your eyes see a hazard , until the time your brain recognoizes it's a hazard
His eyes see danger, until the moment his foot starts to move

How do anti lock brakes hold you?

They help you brake faster.
They help prevent power skids.
They help keep wheels from locking up.
They help shorten stopping distance.

What is the correct way to turn right when driving a long vehicle?

Keep the back of the vehicle away from the curb.
Turn left to the left at the beginning of the turn.
Turn wide while completing the turn.
Turn quickly to prevent other drivers from hitting you.

What do you need to know to determine the blood alcohol concentration in a person?

How often does the person drinks alcohol.
How old the person is.
How much the person weights.
How much the person likes wine.

Do the wet brakes open due to_____?

Lack of braking power.
Pulling to one side or the other.
Brakes to apply unevenly.
All of the above.

For an average commercial vehicle, being driven at 55 MPH on dry pavement it will take about ____ to bring the vehicle to a stop.?

The length of a vehicle.
The length of a football field.
Twice the length of the vehicle.
Half the length of a football field.

Name some things you should examine on the front of your vehicle around the walk-around inspection?

Oil, transmission, air compressor, radiator.
Low beams, high beams, four-way flashers, turn signals.
Windshield, wipers, mirrors, hood latches.
Tires, steering parts, suspension parts, headlights.

You are driving a 60-foot rig at 55 mph. How many seconds of space should you have between you and the vehicle ahead?

5 seconds
6 seconds
7 seconds
8 seconds

If you dont have a Hazardous Materials Endorsement on your CDL, you can?

Drive a vehicle that carries hazardous materials if it does not require placards.
Not carry any type of hazardous material.
Transport hazardous materials if your employer tells you.
Only transport liquid hazardous materials.

Where the senders should write the name of the hazard class of dangerous products?

Only in the shipping documents.
Only on the diamond-shaped labels on the containers
On shipping documents and on diamond-shaped labels or special labels on the container
Only on special adjustment labels for containers.

When you brake jointly on slippery surfaces in a stepping stone without ABS, your wheels should never lock up.?

False
True
ABS brakes but doesn`t lock
Wheels lock and stop rolling

A commercial motor vehicle (CMV) is marked as…?

A vehicle with a gross weight over 26,001 lbs.
A vehicle transporting hazardous materials
A vehicle transporting 16 or more passengers
All of the above

Why don’t recent trucks use the same equipment for going down a hill as they would for going up a hill?

They have low friction parts.
They consume more fuel
They have more air drag.
They have weaker engines.

How letting up on the brake release the brakes?

Some compressed air is let out of the system, causing the brake pads to disengage.
The action releases the brake pads.
The system releases the brakes through a combination of air being released and the brake levers being loosened.
Compressed air is pushed back into the air tanks.

What should you do if you have been driving for a long time and you are feeling tired ?

Take a half-hour coffee stop and actually drink some coffee.
Take an over-the-counter drug that will keep you awake no matter what.
Push on until your next stop and rest for a little while.
Make an early stop and sleep or pull off the road and nap inmediatly

Which statement about a vehicle with a high center of gravity is NOT false?

This vehicle is more likely to not tip over.
This vehicle is less dangerous on curves.
The cargo is evenly distributed and as low as it can be
The cargo should be rearranged so that the heaviest parts of the cargo are always under the lightest parts.

When backing up the tractor trailer, try to AVOID?

Backing toward the right (passenger) side
Backing toward the left (driver's) side
Pulling ahead to re position your trailer
Having someone help/guide you

Wheel productive seals should be checked for_____?

All of the above.
Color changes
Gasoline
Leaks

To prevent brake fading, you must?

Choose a shift gear who keep your vehicle at safe speed on steeped downgrades
Coast on steeped downgrades
Apply constant pressure to the brakes on steeped downgrades
Do not touch the brakes unless you go at high speed

When teeming on a sock away, what is the consistent procedure to burn up the road moving without falling back?

Increase Engine rpm's and let the clutch out quickly
Leave the trailer brakes on and drag the tires releasing the brake after you are moving forward.
Put blocks behind the tires
Partly engage the clutch before you take your right foot off the brake.

Since you can not inspect sealed loads, you??

Can exceed gross weight and axle weight limits
Must be lower than limits by 50 pounds.
Therefore need special tie down devices
Should therefore check that you do not exceed gross weight and axle limits

Which of the following is a drinking and driving effect?

Drive in the wrong lane.
Make quick, sharp movements.
stop signs running
All of the above

The tractor safeguard valve will close and the trailer emergency brakes will activate when there is a big leak in _______ line?

Service brake
Emergency brake
Parking brake
Spring brake

Can the state inspectors check your truck?

Yes, but they cannot put it out of service
No, they cannot
Yes, and they can put it out of service
No, but they can report it

What you can do if you do not have an endorsement for hazardous materials on your commercial driver’s license?

Drive a vehicle that transports hazardous materials if you do not require signs.
Do not transport any type of dangerous material.
Transport hazardous materials if your employer permits.
Only transport hazardous liquids.

What should be done when driving at night?

Keep your speed low enough so you can stop within range of your headlights
Look directly at the headlamps that are briefly approaching.
Keep the bright lights of your instrument
Use sunglasses to reduce the brightness of the headlights.

Why should you remove the key from the truck when you are going to do the Pre-trip Inspection?

So you don't lose it.
So no one moves the vehicle while you are inspecting underneath it.
You will need it to open the side box.
You will need it to inspect the trailer.

Which of the consequently is not a rim defect?

Missing clamps, spacers, studs, or lugs.
Dual tires that come in contact with each other.
Rust around lug nuts.
Mismatched, bent, or cracked lock rings.

Which of the following actions cause skids?

Over braking.
Over steering.
Over accelerating.
Driving too fast.

Truck scape ramps?

It cannot be used by certain heavy vehicles
It is not for busses
Are made to avoid injuring to vehicles
They are made to avoid accidents

A tie rod is part of the ______ system?

Suspension
Brake
Exhaust
Steering

When we talk about stopping in an emergency, which of the following isn’t true?

It doesn't matter how you brake on an emergency situation.
You should brake to keep straight your vehicle.
Yo should avoid using the brakes until your speed has dropped to about 40 mph.
All of the above are true.

Pre-program radio stations, pre load leading man CDs, reexamine maps, curriculum your position, and hammer out a deal mirrors already you spin your misplace are apparatus you cut back do to?

Save time.
Prevent distracted driving.
Waste time.
All of the above

When driving a long distance, you should?

Stop often and take short breaks before you feel really tired.
Take a short break once during the trip when you are feeling super tired.
Avoid short breaks, but keep the window open and drik water.
Do some physical exercises after the trip and stop to jump around when needed.

Which of the statements about driving an over-length, over-width, and over-weight load is entirely false?

You do not need a special permit.
Driving is usually limited to certain times of the day.
Special equipment is going to be necessary.
You may require a police escort all the time.

How far ahead should a driver look of the truck while driving?

1-3 seconds
6-9 seconds
12-15 seconds
19-22 seconds

What is the correct placement of warning devices when parked on the shoulder of a one-way or divided highway?

At 10 feet, 100 feet, and 200 feet from the front of the vehicle
At 100 feet and 500 feet from the front of the vehicle
At 100 feet and 500 feet from the rear of the vehicle
At 10 feet, 100 feet, and 200 feet from the rear of the vehicle

What is the function of the valve control modulating?

Start of the retarders
Controls the compressor speed
Used to apply the spring brakes gradually
Controls the compressor band

The controlled braking method is used?

When making large steering wheel movements.
To lock the wheels.
By applying the brakes as strong as you can without locking the wheels.
By applying the brakes gradually.

If the spring brakes do not release when you attach the trailer air supply control, you should?

Check air line connections
Cross the air lines
Check the electric service cable
Call customer service

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