After starting the engine the

Coolant temperature gauge should begin a gradual rise to normal

Preception distance is the distance your vehicle travels from the time your

Eyes see hazards to the time your brain knows it is a hazard

To avoid a crash you had to drive onto the right shoulder you are now driving at 40mph on the should how do you move

-- then Move back onto the pavement when it is safe, If the shoulder is clear stay on it until your vehicle comes to a stop--

Which of these statements is true about shipping hazardous materials

A four-inch diamond shaped hazardous materials label must be on container

Which of these is a good thing to do when you steer to avoid a crash

Don't turn the steering wheel anymore than needed

You are stopped you want to start driving uphill. You should

Partly engage the clutch and then release the parking brake

You should try and park your vehicle so

You can pull foward when you leave

Which of these statements is true about causes of vehicle fires

Poor trailer ventilation can cause flammable cargo to catch on fire

Youre driving on a straight level highway at 50mph with no vehicles in front of you suddenly a tire blows what do you do

Stay off the brake until the vehicle has slowed down

If you must drive onto the oncoming lane to turn you should

Allow enough space to get completely across the intersection

Is used to keep a vehicle in a straight line while braking

When you are passing another vehicle, pedestrian, or bicyclist you should assume that they

May move into your traffic lane

Which of these statements is true about bad weather driving conditions

When the temperature drops bridges will freeze before roads

While driving through roadways work zones you should

Watch of sharp pavement drop-off

Which of these statements is true about rear drive wheel braking skids

Trailers can push the towing vehicles sideways

You are checking your brakes and suspension system during a pre-trip inspection which of these statements is true

Brake shoes should not have oil, grease or brake fluid on them

You should try to park your vehicle so

You can pull forward when you leave

Which of these statements is true about double-clutching and shifting

You can use the tachometer to tell you when to shift

Which of these statements is true about double-clutching and shifting

You can use the tachometer to tell you when to shift

Which of these statements is true about brakes

Brakes absorb more heat to stop heavier or faster moving vehicles

The purpose of retarders is to

Help slow the vehicle while driving and reduce brake wear

Which of these statements is true about transporting hazardous material

Hazardous materials can be a risk to health and safety

When you must stop on a one-way divided highway you should place reflective triangles at which of the following location

10ft, 100ft, and 200ft towards approaching traffic

Which of these statements is not true about engine belts in hot water

Cracking is likely to occur but is not a safety threat

Which of these statements is not true about backing a heavy vehicle

You should back slowly until you slightly bump into a dock

What is the first thing you should do if your brakes fall while driving downhill

Get off the road as soon as possible

Which of these statements is not true about engine belts in hot weather

Cracking is likely to occur but is not a safety threat

You are driving a heavy vehicle with a manual transmission You have to stop the vehicle on the shoulder while driving

Use the parking brake to hold the vehicle until the clutch engages

You are stopped. You want to start driving uphill. You should

Partly engage the clutch and then realsease the parking brake

What is the best advice for drivers to follow when a heavy fog occurs

Park at a rest area or truck stop until the fog has lifted

If a straight vehicle ( No tailer or articulation) goes into a front-wheel skid it will

Travel straight ahead even if you turn the steering wheel

What will help keep an engine cool in hot weather

Make sure the engine has the right amount of oil

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3/3 Commercial Driver license knowledge test

100 termsStudBud Administration6 plays

201-300

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Questions 100

Answers

1
After starting the engine the
Coolant temperature gauge should begin a gradual rise to normal
Oil pressure gauge should take 3-5 minutes to rise to normal
Engine temperature gauge will take 3-5 minutes to rise to normal
2
Preception distance is the distance your vehicle travels from the time your
Eyes see hazards to the time your brain knows it is a hazard
Brain tell you foot to push the brake pedal to the time your foot response
Eyes see a hazard to the time your foot pushes the brake pedal
3
The best drivers are those who watch and prepare for hazards this is called being
Defensive
Objective
Offensive
4
Which of these systems should receive extra attention during a wither weather inspection
Exhaust
Suspension
Steering
5
To avoid a crash you had to drive onto the right shoulder you are now driving at 40mph on the should how do you move
-- then Move back onto the pavement when it is safe
Keep moving at your present speed& steer very gently back on the pavement
Brake hard to slow vehicle then steer sharply on the pavement when its safe
If the shoulder is clear stay on it until your vehicle comes to a stop--
6
Which of these statements is true about shipping hazardous materials
A four-inch diamond shaped hazardous materials label must be on container
A four inch circular red hazardous material lable must be on the container
Gas cylinders that will not hold a label must be shipped under cover
7
Which of these is a good thing to do when you steer to avoid a crash
Don't turn the steering wheel anymore than needed
Avoid Countersteering
Apply the breaks while turnng
8
You are stopped you want to start driving uphill. You should
Keep the trailer brake hand valve applied until you reach 20mph
Partly engage the clutch and then release the parking brake
Engage the clutch and accelerate quickly
9
You should try and park your vehicle so
There is at least one curb next to your vehicle
You can pull foward when you leave
10
When you drive in the mountain you will have to use lower gears to drive safely downgrades which of these does not aff
Weight of the load
Tire tread type
Length of the grade
11
Which of these statements is true about causes of vehicle fires
Under-inflated tires will not cauase a vehicle fire
Poor trailer ventilation can cause flammable cargo to catch on fire
Carrying a properly charge fire extinguisher will help prevent fires
12
Youre driving on a straight level highway at 50mph with no vehicles in front of you suddenly a tire blows what do you do
Begin light braking
Stay off the brake until the vehicle has slowed down
Begin emergency braking
13
Optional safety equipment may include emergency phone numbers, tire chains and
Tire changing equipment
Charged fire extinguisher
Red reflective triangles
14
If you must drive onto the oncoming lane to turn you should
Allow enough space to get completely across the intersection
Complete your turn without stopping
Back up and allow oncoming traffic to pass
15
How far should a driver look ahead of the vehicle while driving
12-15 Seconds
16-20 seconds
1-2 Seconds
5-8 Seconds
16
Controlled braking
Should only be used with hydraulic brakes
Involves locking the wheels for ashort period of time
Is used to keep a vehicle in a straight line while braking
17
One reason that dry bulk tanks require special care is
They can only be filled halfway
The load can shift
They can easily catch fire
18
Which of the following is not a type of retarder
Robotic
Electric
Hydraulic
19
When you are passing another vehicle, pedestrian, or bicyclist you should assume that they
May move into your traffic lane
Know you want to pass
See your vehicle
20
Which of these statements is true about bad weather driving conditions
When the temperature drops bridges will freeze before roads
The road is more slippery as rain continues than when rain begins
Driving conditions become more dangerous as the temperature rises
21
While driving through roadways work zones you should
Reduce speed only if workers are close to the roadway
Watch of sharp pavement drop-off
Turn on your parking lights
22
Optional safety equipment may include emergency phone numbers, tire chains and
Red reflective triangles
Tire changing equipment
Charged fire extinguisher
23
Which of these statements is true about rear drive wheel braking skids
Front wheels slide sideways to try to catch up with rear wheels
Locked wheels usually have more traction than rolling wheels
Trailers can push the towing vehicles sideways
24
Which of these systems should receive extra attention during a winter weather inspection
Suspension
Steering
Exhaust
25
You are checking your brakes and suspension system during a pre-trip inspection which of these statements is true
Cracked spring hangers that are still tight are not dangerous
Brake shoes should not have oil, grease or brake fluid on them
Just one missing leaf spring is not dangerous
26
You are driving a 40ft vehicle at 35 mph
3 seconds
5 seconds
6 seconds
4 seconds
27
When do strong winds affect driving the most
On bridges or overpasses
When exiting tunnels
On open highways
28
You should try to park your vehicle so
There is at least one curb next to your vehicle
Your vehicle is protected by trees or some other overhang
You can pull forward when you leave
29
If you do not have a CB radio what is the first thing you should do at an accident scene
Care for the injured
Notify authorities
Protect the area
30
Which of these statements is true about double-clutching and shifting
You can use the tachometer to tell you when to shift
double-clutching should not be used within the road is slippery
double-clutching should only be used with a heavy load
31
Which of these statements is true about double-clutching and shifting
Double-clutching should only be used with a heavy load
Double clutching should not be used when the road is slippery
You can use the tachometer to tell you when to shift
32
Which of these statements is true about brakes
Brake fade is not caused by heat
Brake drums cool very quickly when the vehicle is moving very fast
Brakes absorb more heat to stop heavier or faster moving vehicles
33
You can see this sign on a vehicle ahead of you what dose the sign mean?
Hazardous materials on board
Student driver
Slow moving vehicle
34
The braking effects of the engine is greatest when the engine is __ the Governed RPM'S & the transmission is the __gear
Below, higher
Above, lower
Near, lower
35
The purpose of retarders is to
Help slow the vehicle while driving and reduce brake wear
Apply extra braking power to the non-drive axies
Help prevent skids and reduce brake wear
36
Which of these statements is true about transporting hazardous material
All public roads allow properly loaded trucks to carry hazardous materials
All trucks with any amount of hazardous materials must display placards
Hazardous materials can be a risk to health and safety
37
When you must stop on a one-way divided highway you should place reflective triangles at which of the following location
10ft, 50ft, and 100ft towards approaching traffic
10ft, 100ft, and 200ft towards approaching traffic
10ft, 100ft, and 500ft towords approching traffic
38
Which of these statements is not true about engine belts in hot water
Cracking is likely to occur but is not a safety threat
Loose belts will not turn the water pump and or fan on properly
You can check the tightness of the belts by pressing on them
39
Which of these statements is not true about backing a heavy vehicle
You should use a helper and communicate with hand signals
You should back slowly until you slightly bump into a dock
You should back and turn toward drivers side whenever possible
40
What is the first thing you should do if your brakes fall while driving downhill
Try to use your parking brake to stop
Get off the road as soon as possible
Call or radio for help
41
Whenever you double your speed it will take about__ times as much distance to stop
Five
Four
Three
Two
42
Which of these statements is not true about engine belts in hot weather
Loose belts will not turn the water pump and/or fan on properly
You can check the tightness of the belts by pressing on them
Cracking is likely to occur but is not a safety threat
43
You are driving a heavy vehicle with a manual transmission You have to stop the vehicle on the shoulder while driving
Use the parking brake to hold the vehicle until the clutch engages
Let the vehicle roll backwards a few feet before engage the clutch
Keep the clutch slipping while Slowly accelerating
44
You are stopped. You want to start driving uphill. You should
Partly engage the clutch and then realsease the parking brake
Engage the clutch and accelerate quickly
Keep the trailer brake hand valve applied until you reach 20mph
45
What should you do when your vehicle hydroplanes
Start stab braking
Release the accelerator
Accelerate slightly
46
Which of the following may be a sign of tier failure
Wheels fishtailing
Gentle thumping
A loud hissing noise
47
You can see this sign on a vehicle ahead of you what dose it mean?
Hazardous material on board
Slow-moving vehicle
Student driver
48
What is the best advice for drivers to follow when a heavy fog occurs
Do not drive too slowly or other drivers might hit you
Alternate your low and high beams to improve your vision
Park at a rest area or truck stop until the fog has lifted
49
If a straight vehicle ( No tailer or articulation) goes into a front-wheel skid it will
Travel straight ahead until you turn the steering wheel
Slide sideways and spin out
Travel straight ahead even if you turn the steering wheel
50
How many missing or broken leaves in any leaf spring will cause a commercial vehicle to be placed out of service
One-Third of the total number
One-Fourth of the total number
One-half of the total number
51
What will help keep an engine cool in hot weather
Make sure the engine has the right amount of oil
Running the air conditioner
Driveing faster to force more air into the radiator
52
The braking effect on the engine is greatest when the engine is __ then governed RMPs & the transmission is the __ gears
Above, Lower
Near, Lower
Below, Higher
53
If you must drive into the oncoming lane to turn you should
Back up to allow oncoming traffic to pass
Complete your turn without stopping
Allow enough space to get completely across the intersection
54
You are driving a 40ft vehicle at 35mph the road is dry& Visibility is good What is the least amount of space you shoul
6 seconds
4 seconds
3 seconds
5 seconds
55
You are checking your tires during a pre-trip inspection which of these statements is true
Tires of mismatched sizes should not be used on the same vehicle
Radial and bias ply tires can be used together on the same vehicle
2/32 inch tread depth is safe for the front tires
56
Which of the following statements is true
Most hazards are easier to see at night than during the day
Most heavy vehicle accidents occur between midnight and 6am
Most people are more alert at night than during the day
57
For your safety when you place your reflective triangles you should
Carry the triangles at your side
Hold the triangles with the reflective side between you & oncoming traffic
Keep them out of sight while you walk to the locations where you--
--will place them
58
Which of these statements is true about warning other drivers of a stopped vehicle
Move the rear reflective triangle back if the driver's vision
Put out your emergency warning device within 5 minutes
is obscured with in 500ft
keep the vehicles tailights on to warn other drivers
59
When you must stop on a one-way/ divided highway you should place your reflective triangles at which of the following
10ft, 100ft, and 200ft toward approaching traffic
10ft, 50ft, and 100ft toward approaching traffic
10ft, 100ft, and 500ft toward approching traffic
60
Which of the following may be a sign of tire failure
Wheels fishtailing
Gentle thumping
A loud hissing noise
61
If you have a heavy load that is slowing you down on an upgrade you should
Drive on the shoulder so others can pass easily
Shift into a lower gear
Exit the road until traffic is lighter
62
Which of the following statements is true
Many heavy vehicle accidents occur between midnight and 6am
Most people are more alert at night than during the day
Most hazards are easier to see at night then during the day
63
What is the first thing you should do if your brakes fail while driving downhill
Call or radio for help
Get off the road as soon as possible
Try and use your parking brake to stop
64
Which of these is not true about backing a heavy vehicle
You should back and turn towards the drivers side whenever possible
You should back slowly until you slightly bump into the dock
You should use a helper and communicate with hand signals
65
Which of these statements is correct about emergency or evasive action
You can usually stop quicker than you can turn to miss an obstacle
To turn quickly you must have a firm grip on the steering wheel
Stopping is always the safest thing to do in an emergacy
66
The Commercial Driver 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
Assume the other driver does not see you
At night turn on your high beams while you pass the vehicle
67
The total weight of the power unit the trailer and the cargo is called
Gross axie weight
Gross combination weight
Gross vehicle weight
68
CDL medical certificates must renew every
5 years
Two years
6 years
4 years
69
If you do not have a CB radio what is the first thing you should do at an accident scene
Care for the injured
Notify authorities
Protect the area
70
The best drivers are those who watch and prepare for hazards this is called being
Offensive
Objective
Defensive
71
Which of these systems should receive extra attention during a winter weather inspection
Suspension
Exhaust
Steering
72
Which of these is not a proper use of vehicle lights
--slowing down
Turning on your headlights during the day when visibility is reduced
Flashing your break lights to warm someone behind you that you are--
Flashing your break to stop someone tailgating
73
How do you correct a rear-wheel braking skid when driving on ice or snow
Downshift to the next lower gear
Stop accelerating
Apply more power to the wheels
74
Which of these statements is true about shipping hazardous materials
A four inch circular,Red Hazardous materials lable must be on the container
Gas cylinders that will not hola a label must be shipped under cover
A four inch, Diamond shape hazardous materials label must be on container
75
You are checking your brakes and suspension system during a pre-trip inspection which of these statements is true
Just one missing leaf spring is not dangerous
Cracked spring hangers that are still tight are not dangerous
Brake shoes should not have oil, grease or brake fluid on them
76
You wish to turn right from a two-lane, two way street into another your vehicle is long that you must swing
Figure A
All the above
Figure B
Figure C
77
Whenever you double your speed it will take about __ times as much distance to stop
two
Six
three
Four
78
Which of these statements is the proper way to signal for a lane change
Signal just as you begin to change lanes and drift over slowly
Signal early and change lanes slowly and smoothly
Signal before you change lanes and then move over quickly
79
Retarders
Can cause the drive wheels to skid when they have poor traction
Allow you to disconnect the steering axie brakes
Cannot be used on interstate highways
80
Control braking
Involves locking the wheels for a short period of time
Is used to keep a vehicle in a straight line when braking
No answer
Should only be used with hydraulic brakes
81
If you have a heavy load that is slowing you down on an upgrade you should
Shift into lower gear
Drive on the shoulder so others can pass easily
Exit the road until traffic is lighter
82
Which of these is not a proper use of vehicle lights
Flash you brake lights to warn someone behind you that you are slowing down
Turning on your headlight during the fay when visibility is reduced
Flashing your brake lights to stop someone tailgating
83
Which of the following is not a type of retarder
Hydraulic
Robotic
Electric
84
How far should a driver look ahead of the vehicle while driving
18-21 seconds
12-15 seconds
5-8 seconds
85
You are driving a new truck with Manual transmission what gear will you have to use to take a long steep downhill grade
A higher gear than you would use to climb the hill
A lower gear than you would use to climb the hill
The same gear you would use to climb the hill
86
The distance that you should look ahead of your vehicle while driving is about __ miles at highway speeds
1/8
1/6
1/4
1/2
87
Controlled braking
Should only be used with hydraulic brakes
Involves locking the wheels for short periods of time
Is used to keep vehicles in a straight line when braking
88
Which of these is a good thing to remember about drinking alcohol
The driver can control how fast their body gets rid of alcohol
Small quantities of alcohol improve reaction time
Alcohol first affects judgment and self control
89
What should you do before driving in the mountains
Carry tire chains in your vehicle
Know the escape ramp locations on your route
Unhook your steering axie brakes
90
To avoid a crash you had to drive onto the right shoulder. You are now driving at 40mph on the shoulder How do you [;
Brake hard to slow the vehicle then steer sharply onto the pavement--
--When safe to do so
move back onto the pavement when it is safe
If shoulder is clear stay on it until your vehicle comes to a stop then
91
CDL medical certificates must be renewed every
5 years
2 years
4 years
Year
92
You are checking your tiers during a pre-trip inspection Which of these statements is true
Tires of mismatched sizes should not be used on the same vehicles
2/32 inch tread depth is safe from the front tires
Radial and bias ply tires can be used together on the same vehicle
93
Retarders
Can cause the drive wheels to skid when they have poor traction
Allow you to disconnect the steering axie brakes
Cannot be used on interstate highways
94
The Commercial Driver 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
Assume the other driver does not see you
At night turn on your high beams while you pass the vehicle
95
The distance that you should look ahead of your vehicle while driving is about __ mile at highway speeds
1/6
1/4
1/8
1/2
96
Which of these is not caused by rough acceleration
Tire damage
Damage to coupling
Mechanical damage
97
Which of these statements is not true
--how much you weigh
A drinker can control how fast their body absorbs alcohol& gets rid of it
BAC is determined by how fast you drink how much you drink &
Alchol gose directly from the stomach to the bloodstream
98
When hydraulic brakes fail the system won't build up pressure and the brake pedal will fell spongy
Pump the brake pedal to generate pressure
Put the vehicle in neutral and set the parking brake
Push down on the brake pedal as hard as you can
99
What should you do if a car coming toward you at night keeps its highbeams on
Look to the right edge of your lane or right side of the road
Slow down and look straight into your lane
Flash your highbeams quickly at the other driver
100
What should you do if a car coming toward you at night keeps its high beams on
Flash your highbeams quickly at the other driver
Slow down and look straight ahead in your lane
Look at the right edge of your lane or right side of the road

3/3 Commercial Driver license knowledge test Flashcards | StudBud