General Knowledge Free

The only proven way to overcome sleep debt is?

Regular exercise.
A healthy diet.
Drinking coffee.
Sleep 8 Hours minimal

If you go twice as fast, will your stopping distance increase by at which point many times?

Two
Three
Four
Five

Which of these things helps to determine the amount of liquid you can load in a tank?

The truck needs to have a new engine
The amount that the liquid could expand in transit
The pressure of the tires
All of the above

For a cargo fire in a van or box trailer, your first action should be to open the trailer door.?

True
False
Do not open any door
Use fire extinguisher

If you’re transporting livestock?

give livestock enough room to roam freely
rollover is less likely
there's always a high center of gravity
use false bulkheads with less than a full load.

Which of these answers about certain types of cargo is true?

Unstable loads, such as hanging meat or livestock, require special caution when cornering.
Oversize loads can be hauled without special permits during times when the roads are not busy.
Loads that consist of liquids in bulk do not present vehicle handling problems because they are usually very heavy.
When liquids are hauled, the tank should always be loaded totally full.

Which of these sentence about an equipment inspection is true?

Distortioned Coil springs are safe when they are not broken
Suspension parts must be verify on all axles except the power unit
Axle clamps must be verify over each part where they are safety to the axle vehicle structure
No equipment inspection necessary

Which of the following statements is true about empty trucks?

They have better traction.
They require less braking power.
They require a longer braking distance.
They are easier to handle.

How to avoid backing while standing on a slope.?

Actuate the clutch.
Switch to neutral
Set the parking brake.
Pump the accelerator hard

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

How far ahead should a driver lookof the vehicle while driving?

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

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.

What maintains the air pressure in the air brake system?

Alternator/belt
Power steering/belt
Water pump/belt
Air compressor/Belt

Which of the following is NOT true when driving over a curve?

You should slow down before the curve
You should break during the curve
The higher your truck's center of gravity is, the easier it is to roll over
You should be in a gear that allows you to accelerate during the curve

Triple your driving speed from 20 mph to 60 mph and the impact and braking distance is how many times greater?

3
6
9
12

Which of these is correct about take emergency actions or avoid a crash?

To turn fast, you must have to hold the steeren wheel tightly
Stopping is always the safest thing to do in an emergency
Generally you can stop faster than turn to avoid a obstacle
Braking is always the safest

When in some emergencies, you may have to drive off the road and onto the shoulder in order to avoid collision with another vehicle, you should avoid?

Keeping one set of wheels on the pavement only
Using the brake until your speed has dropped at least to about 20 mph.
Coming to a complete stop before returning to the road no matter what.
All of the above

The cut-out level and cut-in level for the air compressor governor are roughly what pressure per square inch (PSI)?

125 PSI and 100 PSI
150 PSI and 125 PSI
150 PSI and 100 PSI
100 PSI and 80 PSI

A coupling device capacity is the?

Maximum weight a tire can carry at a specified pressure
Maximum weight the device can pull and/or carry.
Manufacturer’s weight capacity rating of the suspension system.
Weight transmitted to the ground by one axle or one set of axles.

Tire fires ares possibly caused by?

Loose fuel connections and short circuits.
Under-inflated tires and duals that touch.
Duals that touch or improper fueling
Driver smoking and improperly loaded cargo

Of all the many a moon everywhere your equipment what space is virtually important?

The space on the left of the vehicle.
The space ahead of the vehicle.
The space on the right of the vehicle.
The space behind the vehicle.

How long does it require for a typical tractor trailer unit to concern a double rail road track?

20 seconds.
16 seconds.
15 seconds.
14 seconds.

What causes brakes to fade?

Using the brakes too lightly when going downhill
Coasting
Frozen brake pads
Slowing down from high speeds too rapidly

Which of these should be tested while the truck is parking?

Hydraulic brake
Service brakes
Parking brake
Emergency brakes

To stop quickly and safely, what controlled braking methods could be used?

Press the brake as hard as you can without locking the wheels
Press the brake as hard as you can to lock the wheels
Press the brakes and make large steering adjustments
Press the brakes but keep them released before and after making the steering adjustments. Explanation of the answer

To turn quickly and safely in the event of a traffic or vehicle emergency, you should be prepared to countersteer. So this means you turn the wheel?

The opposite direction of the obstacle and keep that way.
Away from the obstacle and then back in the other direction.
To the right of the obstacle and hit the brakes.
To the left of the obstacle and hit the brakes.

If you can not make a turn without entering another lane, should?

Make a wider turn when you complete the turn
Do not make that turn and go to another place where you do not have to cross lanes
Make a wider turn before you begin turning
Operate the horn so other drivers know that you are turning

What to do if a driver coming in the opposite direction has suddenly slipped into your lane or if an obstacle suddenly blocks your way?

Move to the right.
Move to the left.
Brake immediately.
Apply the brakes slowly and signal a lane change.

To extinguish an electrical fire?

Use water
Use the A?B?C extinguisher
Use the B?C extinguisher
Pull into a service station and wait for qualified firefighters.

During a pre-trip inspection, which of these doesn’t need to be checked ?

If the load is secured.
How much fuel there is in the vehicle.
If all the vehicle lights are right and clean.
How clean are the front windows.

Which of these sentences about pre trip inspection is true?

Leave the key in the starter switch so you cannot loose it while you are under the truck
If you need to pull the cab, be sure there are no loosen things so they won't fall and break something
If you are parking on the street, you should not walk toward the oncoming traffic
Check the lights

Which of these sentences about staying alert is true ?

If you have to stop and take a nap, it should be in a rest area or truck's stops, never on the shoulder of the road
A half hour break for coffe will do more to keep you alert than a half hour nap
Sleep is the only thing that can overcome fatigue
Drinking a coffee will help take away the fatigue

Which of the following should things you examine when inspecting the front of your truck?

The condition of brakes
The condition of shock absorbers
The condition of steering system
All of the above

Which of these answers about staying alert is true?

Sleep is the only thing that can overcome fatigue
A half hour break for coffe will do more to keep you alert than a half hour nap
If you have to stop and take a nap, it should be in a rest area or truck's stops, never on the shoulder of the road
Washing your face with cold water will help you control sleep

If you need to correct a drive-wheel braking skid you should?

Brake even harder.
Turn left slowly.
Countersteer.
Keep your foot off the clutch.

When should you use the manual valve to park a combination vehicle?

Never
To park at loading docks
To park on a grade
Always

Which of these statements about backing a heavy vehicle is true?

You should avoid backing whenever you can
It is safer back toward the right side of the truck than toward the driver's side
Helpers should be out of the driver's sight,and use only voice (spoken) signals to communicate with the driver
It`s safer to go back to the left side of the truck

You should inspect the tires every __________________ when driving in a very hot climate.?

One hour or every 50 miles
Two hours or every 100 miles
Three hours or every 150 miles
Four hours or every 400 miles

In order to turn quickly and safely in the event of a traffic or vehicle emergency, you should be prepared to countersteer. So this means you turn the wheel?

The opposite direction of the obstacle and keep that way.
Away from the obstacle and then back in the other direction.
To the right of the obstacle and hit the brakes.
To the left of the obstacle and hit the brakes.

How do disc brakes differ from S-cam brakes?

The S-cam brakes have a camera; Disc brakes have two or more cameras.
Instead of an S-cam, disc brakes use a power screw.
Instead of an S-cam, disc brakes use a C-clamp.
Instead of separating the brake shoes with an S-Cam, the disc brakes separate them with a disc.

What is? Outage?

Is a full big liquid tanker.
Is the space allotted for expanding liquids.
Is the space allotted for the hot liquids.
Is the space allotted for the cool liquids.

If the radiator shutters freeze shut when driving in the winter, which of the following things will occur?

The brakes will freeze.
The engine may overheat and stop.
Carbon monoxide will get into your vehicle.
It will be harder to drive.

Which of these sentence about driving in cold weather is true?

An engine cannot overheat when the weather is too cold
Exhaust system leaks are less dangerous in cold weather
Antifreeze and windshield wipers should be used
Wheels should be checked

Talking about pre-trip inspection, which one is true?

If you are parking on the street, you should not walk toward the oncoming traffic.
If you need to pull the cab, be sure there are no loosen things so they won't fall and break something.
Leave the key in the starter switch so you cannot loose it while you are under the truck.
You should avoid backing whenever you can

Which of these is a sign of tire failure?

The steering wheel pulls to any side
Vibration
A loud “bang”
All answers are correct

Vehicles transporting loose materials (sand, soil, grave, etc) that can be dropped or fly away, you should??

Have a special permit
Fulfill with all the requients to prevent spills or lose of load
Drive only in rural roads
Always have the load covered, so there is not lose or spills

The distance traveled from the time your brain tells your foot to move from the accelerator until your foot is actually pushing the brake pedal is called what?

Reaction distance.
Stopping distance.
Perception distance.
Braking distance.

If you must stop on a road or the shoulder of any road, you must put out your matter of life and death warning devices within how many minutes?

3
5
10
15

To correct a braking skate the drive wheel must?

Braking harder
Turn slowly
Countersteer
Keep your foot out of the clutch

How regularly should you check your cargo?

Within the first 50 miles after beginning a trip
Every 150 miles or every three hours
After every break you take during driving
All of the above

How often must drivers of trucks conduct a safety inspection?

Before driving
Before driving, every 3 hours during driving, and after driving
Every 5 hours and after driving
After driving

If you need to correct a drive-wheel braking skid you should?

Brake even harder.
Turn left slowly.
Countersteer.
Keep your foot off the clutch.

When should you downshift automatic transmissions?

When approaching any stop.
On icy roads.
When driving on dirt roads.
When going down grades.

What should a tank vehicle with a high center of gravity do?

You must take road curves or entry / exit ramp curves well below the indicated speeds
You must take road curves or entry / exit ramp curves at least five miles above the indicated speed
You can not turn on the published speed limit for the curves
It is very heavy, but it is not easy to move

Which of the following is the most important reason for doing a pre-trip inspection?

None are correct
Safety for yourself and others.
To check that the vehicle will make your destination.
Because other people do it.

When in some emergencies, you may have to drive off the road and onto the shoulder to avoid collision with another vehicle, you should avoid?

Keeping one set of wheels on the pavement only
Using the brake until your speed has dropped at least to about 20 mph.
Coming to a complete stop before returning to the road no matter what.
All of the above

Bridge formulas?

Permits less maximum axle weight for axles that are far together
Permits less maximum axle weight for axles that are closer together
Permits the same maximum axle weight for any distance between axles
Does not allow much weight per distance

When using a fire extinguisher, it is good to get as close as possible to the fire?

False
True
Attacks the fire in the direction of the wind
Attack the fire between several people

What’s black ice?

Petroleum
Freshly paved tar
Thin clear ice
Fog or mist

The temperature gauge is unimportant at a pre-trip inspection?

True
False
The interior is as important as the exterior
Start the tractor make sure the gauges are working properly

How around space should you set up in front of you at highway speeds?

Seven seconds for a 60 foot vehicle
Five seconds for a 60 foot vehicle
Ten seconds for a 60 foot vehicle
Three seconds for a 60 foot vehicle

The black and white traffic signs say you should watch _____ ahead interim driving?

12 to 15 seconds, at highway speeds it is about a quarter of a mile.
15 to 20 seconds, at highway speeds it is about a half of a mile.
9 to 12 seconds, at highway speeds it is about a quarter of a mile.
5 to 8 seconds, at highway speeds it is about an 8th of a mile.

If you are driving at night, you should use your low lights when an oncoming car is towards you at _ _ _ _ _ _ _ _ _ _ _ ___ _ distance.?

400 feet
300 feet
500 feet
200 feet

The vehicle that trucks and buses virtually often crash into is located?

Behind them.
In front of them.
On the right side.
On the left side.

How is a bulkhead different from a baffle?

Light liquids
The bulkheads are liquid tight and the deflectors have holes in them.
Nothing
The bulkheads are metal and the baffles are made of plastic.

What are the dry tanks and hanging meats?

They have low centers of gravity.
Handle better than most cargo in sharp turns
They are unstable charges
They do not require special care.

One of the steps in shifting up is to?

Release the clutch and shift to neutral.
Increase engine and gear speed to the RPM required.
Push the accelerator and shift to neutral.
Press in the clutch and shift to the higher gear at the same time.

Why must you be sure that the fifth wheel plate is greased as required?

To prevent steering problems
To reduce heat and noise
To ensure good electrical connections
All of the above

Total weight of a powered unit plus trailer(s) plus the cargo is?

GCW and overload weight
GCW
Overload and oversize part
Road conditions and overload

Which of this emergency equipment must carried in the truck at all times?

A fully charged 5 B?C fire extinguisher
Reflective warning triangles
Spare electrical fuses
All answers are correct

Which of these statements about railroad crossings can be considered a safe practice?

Look left because trains only travel from left to right.
Stop right on the tracks to look up and down the track more easily.
Look right because trains only travel from right to left.
Open the forward door if it helps you see or hear an approaching train.

If you have a tank vehicle with a high center of gravity?

You should take highway curves or on-ramp/ off-ramp curves well below the posted speeds.
You should always take highway curves or on-ramp/ off-ramp curves at least five miles above the posted speed.
You cannot turn over at the speed limit posted for curves never.
This is top-heavy, but not easy to rollover anyway.

When talking about drive skids of rear wheels, which of these is correct?

With vehicles towing trailers, the trailer can push the towing vehicle sideways
The front wheels usually slide sideways in an attempt to 'catch up' with the rear tires
Locked wheels have more traction than rolling wheels
All of the above are true

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