General Knowledge Eng 9

What is the total stopping distance when you drive a heavy vehicle on dry pavement at 55 mph?

4 1/2 seconds
5 seconds
6 seconds
7 1/2seconds

Which of the following should you NOT do if you suspect that one of your vehicle’s tires has blown out?

Keep driving until you are certain it was one of your vehicle’s tires that blew.
Hold the steering wheel firmly.
Stay off the brake.
Check all tires after stopping.

You have pressed the trailer supply valve should notmove the?

Between 60 and 80 psi
Empty
At normal pressure
Between 30 and 60 psi

The truck escape ramps ______?

Cannot be used by certain types of heavy vehicles.
Are designed to protect vehicles from damage.
Should not be used unless you have first tried all other ways to save your vehicle.
Are made to get faster to a resting area.

The two ways you should evaluate to get when to change?

Every 3 to 5 seconds or engine speed.
Road speed and wind speed.
Engine speed and the shift indicator light.
Engine speed and road speed.

If you must stop on the try of the route, you should place warning devices at for the most part of the following places except…?

Within ten feet of the front or rear corners
About 100 feet behind your vehicle
About 100 feet in front of your vehicle
On the other side of a divided highway

What psi do air brakes release?

135 psi
125 psi
150 psi
165 psi

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

You should use a helper and communicate with hand signals.
Backing is always dangerous.
You should back and turn toward the driver's side when is possible.
All of the above are true.

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

You must 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
You must backing quikly

On a school bus, ______ are used to monitor the left and right sides of the bus at a ?

Cross mirrors
convex mirrors
Interior mirrors
Flat mirrors

To check the clutch/gearshift you must?

Start engine, then release clutch slowly
Depress clutch
Place gearshift lever in neutral
All of these answers

A tractor-trailer combination has more probability to roll over on a curve when the configuration includes??

Triple trailers 27 feet long
Double trailers 45 feet long
A 45 feet trailer long and one 27 feet long
Double trailers 27 feet long

Where and when is it best to downshift?

After starting up a hill
After starting down a hill
Before entering a curve
Before speeding up

Locator lights are required by law and the status of all trucks or buses if the width is?

80 inches or more
70 inches or more
45 inches or more
63 inches or more

What should you do if you acquire sleepy interval driving?

Turn up the radio.
Drink caffeinated beverages.
Roll down the windows.
Stop to sleep.

You are stopped on the shoulder of a curve that prevents approaching traffic from seeing your truck. How far back should you place your last warning material?

10 feet
100 feet
200 feet
500 feet

A bad weight balance can make the handling of the vehicle unsafe, this is due to??

Sub-charged front axles.
Very little weight in the drive axles
Too much weight on the steering axle.
A high center of gravity

When two cars collide a short distance in front of you, to safely avoid the accident, you must.?

Always apply the brakes immediately
Turn sharply to clear the area of the accident
Turn quickly with one hand on the steering wheel and one hand on the horn.
Hold the steering wheel firmly with both hands and turn only the amount of space needed to clear whatever is in your path.

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

In case of a failure of the air brake to be done?

Pump the brakes.
Find an escape route
Scroll down
Use the parking or emergency brake.

Are the following statements about oil tankers with unbalanced liquid or smooth gauge NOT true?

Must be extremely cautious, especially when starting and stopping
The surge of liquid back and forth is reduced
It is most likely that the food products are transported in a tank of unloaded liquid
There is nothing inside the tank to reduce the speed of the liquid flow

Which of the following statements is NOT true about an overloaded vehicle?

The vehicle will have to go very slowly in the updates
The vehicle can gain too much speed in low ratings.
The braking distance of the vehicle decreases
All of the above

What is The Gross Combination Weight Rating?

Maximum total weight of a single vehicle plus its load specified by the manufacturer in writing.
Maximum total weight of a power unit plus trailer( s) plus the cargo as specified by the manufacturer.
The to]otal weight of a single vehicle plus its load and no more.
The total weight of a powered unit plus trailer or trailers and the cargo and no more.

What you could do if your vehicle is involved in an accident?

Keep an empty lane between your vehicle and other traffic.
Stop all traffic in other lanes.
Tap the horn to warn other vehicles.
Put it on the side of the road

If you are not a lawful permanent resident of the United States, you will ______.

Have to perform better than permanent residents on the CDL Skills Test.
Have to take a more specific hazardous materials test.
Be denied a hazardous materials endorsement.
Need to leave the country.

When the road is tricky for sand on the road, black ice, or dirt, and engine retarder will help the truck from skidding. What do you think about it?

True
False
Retarders are not restricted to motor vehicle road
Retarders help reduce the speed of a vehicle

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

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

Which of the following is not a benefit of making plans when you spot a hazard?

To avoid having to do action like sudden braking that is much more likely to cause an accident
Improving the safety of other drivers on the road as well as your own by being prepared
Giving you more time to hang up your phone call or finish something you might have been eating or drinking
Giving you more time to do something before the situation turns into an emergency

What to do in the case of a cargo fire in a van or box trailer?

Keep the doors closed
Keep the doors open
Drive to the nearest service station for assistance
Park near the road so other vehicles can see the danger and ask for help

What is a tank compartment?

division of the engine
Cabin division
An airtight division of a tank
When a tank is transported by two trucks

When backing a tractor trailer, which manner do you turn the steering wheel to derive the trailer go to the left?

To the right.
To the left.
Towards both directions
No need to burn

Drivers with respect to handheld devices and cell phones?

You are not allowed to have these devices in the vehicle
You can send a text message or receive a text message while driving, if this is done quickly
You should not send text messages or receive text messages while driving.
You can send a text message or receive a text message while driving, if this is the carrier's policy.

Which of the following statements about the control of speed and braking is true?

You need 4 times more distance to brake at 40 mph than at 20 mph
The time required to stop increases two seconds for every 10 miles per hour to more than 22 mph
The total distance to stop a bus is the distance it takes to stop once the brakes are applied
All of the above

When driving tanks of disconcerted liquids,?

Bulkheads that stop the surge of liquid from side to side are included.
There is no risk of rollover
The surge of liquid back and forth is controlled
There is no risk involved in taking curves or making sharp turns in published limits.

You must keep shipping papers for hazardous materials?

On the driver’s door
In the glove compartment
Under the passenger’s seat
With the hazardous materials

Adjusting the radio, eating, drinking, smoking, reading maps, intelligence on the call, and reckless are examples of what type of driving?

Aggressive driving.
Drunk driving.
Talented driving.
Safe driving.

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as?

Defensive driving
Road rage
Aggressive driving
Distracted driving

Too practically weight on the move axle can cause poor traction.?

False
True
Too much weight can cause accidents
A lot of weight makes it heavier to drive

You are driving on a highway and your front tire has just exploded. What should I do?

Braking strong.
Pump the brakes.
Keep clear of the brake until you have slowed down.
Keep driving until you find a service station

You are driving a vehicle that could safely be driven at 55 MPH on an open road. But traffic is now heavy, moving at 35 MPH although the speed limit is 55. The safest speed for your vehicle in this situation is most likely??

55
45
35
50

What should you do before mountain driving?

Unlock the steering axle brakes
Carry tire chains in the truck
Know the scape ramps location on your route
Lock the steering axle brakes

To help you stay alert while driving, you should?

Take short breaks before you get drowsy
Schedule, trips for hours you are normally asleep
Keep the cab silent and warm
Have a coffee

For what function is taken out of the fire, the starter sequentially follows the key in the pocket and the pre-trip inspection?

So you don't lose it.
You will need it to inspect the trailer.
You will need it to open the side box.
Then nobody moves the vehicle while inspecting it underneath.

Which of the controlled braking methods do you use to stop quickly and safely?

Apply the brakes hard and lock the wheels.
Apply the brakes as hard as you can ando don't locking the wheels.
Apply the brakes and make big steering adjustments.
Apply the brakes but keep them released and make steering adjustments.

Which of the following statements about “smooth bore” liquid tankers is false?

You must be extremely cautious, especially when starting.
There is nothing inside the tank that can slow down the flow of liquid.
Food products will possibly be transported in an unbaffled liquid tank.
Forward and back liquid surge is reduced.

Which of the following things is one of the potential causes of fire in the electrical system?

Poor ventilation
Flammable cargo
Short circuits due to damaged insulation
Duals that touch

The only way to stop the skid when a front-wheel skid occurs is to?

Brake harderd than ever.
Turn sharply inmediately.
Let the vehicle slow down.
Increase acceleration no matter what.

If an oncoming driver has suddenly drifted into your lane or if an obstacle suddenly blocks your path, you must?

Pass to the right
Move to the left
Brake right now
Apply brakes slowly and signal for a lane change

What is the reason why posters are used?

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

A skid occurs when the tires lose their grip on the road. what should be done to avoid such an event?

Turn the wheel sharply for all turns.
Accelerate to give power to the drive wheels
Adjust to the conditions while driving
Braking hard at all stops.

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