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

Which of these is usually true about driving in tunnels

There may be strong winds when exiting

Which of these is true regarding the use of drugs while driving

safe driving ability, Prescription drugs are allowed if a doctor says the drugs will not affect--

Which of these is true about rear drive wheel braking skids

On vehicles with trailers the trailer can push the towing vehicle sideways

Where must you keep shipping papers when transporting hazardous materials

In a pouch on the driver's door or on the seat

The purpose of retarders is to

Help slow the vehicle while driving and reduce brake wear

How does a vehicle weight affect stopping

normally the case for buses, Empty trucks can take longer to stop than if loaded but this is not-

Which of these statements is true regarding the use of drugs while driving

Prescription drugs are allowed if a doctor says the drugs will not--, --affect safe driving ability

You are required to stop at a railroad grade crossing when

The cargo makes a stop mandatory under state or federal regulations

If you're not sure how to put out a hazardous materials fire you should

Wait for qualified fire fighters

Which of these lights cannot be checked at the same time

Turn signals, brake lights, and four way flashers

Which of these statements is true about speed management

On slippery roads it takes longer to stop& harder to turn without skidding

You should signal continuously while turning because

You need both hands on the steering wheel to turn safely

Which of these statements about making a stopped vehicle is true

If a hill or curve blocks a drivers vision within 500ft move the rear --, reflective triangle back beyond the hill or curve

If you need to leave the road in a traffic emergency you should

Avoid breaking until your speed has dropped to about 20mph

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

You can use the tachometer to tell you when to shift

Which of these is especially true about your tiers in hot weather

you should check tire mounting and air pressure before driving

Which of these statements about certain types Cargo is true?

--caution on curves, Unstable loads such as hanging meat or livestock can require extra--

Why is a broken exhaust system dangerously

Poisonous fumes could enter the cab or sleeper berth

What is countersteering

Turning the steering wheel back in the other direction after steering to---, --avoid a traffic emergency

Take extra care to keep your vehicle centered in your lane because commercial vehicles

Are often wider than other vehicles

You are starting your vehicle in motion from a stop as you apply power to the drive wheels they start to spin you should

Take your foot off the accelerator

Why is a broken exhaust system dangerous?

Poisonous fumes could enter the cab or sleeper berth

When driving through work zones you should

Watch for sharp pavement drop-off

Which of these light cannot be checked at the same time

Turn signals, Brake lights and four-way flashers

Which of these is especially true about your tires in hot weather

You should check tire mounting and air pressure before driving

When the roads are slippery you should

Make turns as carefully as possible

Are generally used for freight carried part way by rail or ship

Which of these statements about brakes is true?

The heavier a vehicle/faster it is moving the more heat the breaks have--, to absorb to stop it

When the roads are slippery you should

Make turns as carefully as possible

Which of these is usually true about driving in tunnels

There may be strong winds when exiting

You are checking your steering & exhaust systems in a pre-trip inspection which of these problems should be fixed

Steering wheel play more than 10( 2inch on a 20inch wheel)

If you need to leave the road in a traffic emergency you should?

Avoid breaking until your speed has dropped to about 20 mph

You should use your mirrors to check

Where the rear of your vehicle is while you make turns

The purpose of retarders is to

Help slow the vehicle while driving and reduce brake wear

You should use your mirrors to check

Where the rear of your vehicle is while you make a turn

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

Because you can't see you should back slowly until you sightly bump into--, --the dock

studbud

2/3 Commercial Driver license Knowledge test

100 termsStudBud Administration12 plays

pt 2 101-200

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
You are driving a 40ft vehicle at 35 mph the rad is dry & visually is good What is the least amount of space keep
3 seconds
4 seconds
5 seconds
6 seconds
2
Controlled braking
Involves locking the wheels for short periods of time
Should only be used with hydraulic brakes
Is used to keep a vehicle in a straight line when braking
3
Which of these is usually true about driving in tunnels
Headlights are required by law
There may be strong winds when exiting
Speeds are limited to 30 mph or less
4
Truck escape ramps
Are not for buses
Help avoid damage to vehicles
Cannot be used by certain types of heavy vehicles
5
Which of these is true regarding the use of drugs while driving
No prescription/Non prescription drugs are allowed at any time any reason
Use of amphetamines like"Speed" is allowed if your using it to stay awake
safe driving ability
Prescription drugs are allowed if a doctor says the drugs will not affect--
6
Which of these is true about rear drive wheel braking skids
Locked wheels usually have more traction than rolling wheels
On vehicles with trailers the trailer can push the towing vehicle sideways
Front wheels slide sideways to try to catch up with rear wheels
7
To determine a person's blood alcohol concentration you must know how?
Age of the person
Often the person drinks alcohol (tolerance level )
How much the person weights
8
Where must you keep shipping papers when transporting hazardous materials
In a pouch on the driver's door or on the seat
Under the driver's seat
In the glove compartment, which must be locked
9
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
10
How does a vehicle weight affect stopping
Fully loaded trucks take longer to stop buses loaded with people take less
normally the case for buses
Empty trucks can take longer to stop than if loaded but this is not-
it doesn't brakes work the same no matter the weight of the vehicles
11
Which of these statements is true regarding the use of drugs while driving
Prescription drugs are allowed if a doctor says the drugs will not--
No prescription/nonprescription drugs are allowed anytime for any reason
Use of amphetamines like Speed is allowed if your are using to stay awake
--affect safe driving ability
12
You are required to stop at a railroad grade crossing when
The cargo makes a stop mandatory under state or federal regulations
The crossing is located in a city/town with frequent train traffic
There are no flagman warning signals or gates at the crossing
13
Which of these is not a good rule to follow when caring for an injured person at an accident scene
Keep injured persons cool
asked to help
More severely injured person if a danger exists
If a qualified person is helping them stay out of the way unless--
14
If you're not sure how to put out a hazardous materials fire you should
Use dirt
Use water
Wait for qualified fire fighters
15
Which of these lights cannot be checked at the same time
Turn signals, taillights and clearance lights
Turn signals, brake lights, and four way flashers
Headlights, brake lights, and clearance lights
16
Which of these systems should receive extra attention during a winter weather inspection
Exhaust
Suspension
Steering
17
Which of these statements is true about speed management
Road surface will freeze before bridges
Shady parts of the road allow better traction than open areas
On slippery roads it takes longer to stop& harder to turn without skidding
18
Why will a vehicle's speed naturally increase on downgrades
Gravity
The engin runs smoother
Lack of traction
19
You should signal continuously while turning because
You need both hands on the steering wheel to turn safely
It is illegal to turn off your signal before completing a turn
Most vehicles have self canceling signals
20
Which of these statements about making a stopped vehicle is true
The vehicle's tailgating should be kept on to warn other drivers
If a hill or curve blocks a drivers vision within 500ft move the rear --
reflective triangle back beyond the hill or curve
You must put out your emergency warning device within 5 minutes
21
If you need to leave the road in a traffic emergency you should
Avoid during on the shoulder of the road
Avoid breaking until your speed has dropped to about 20mph
Try to get all wheels off the pavment
22
Which of these statements about double-clutching and shifting is true
Double clutching should only be used with a heavy load
You can use the tachometer to tell you when to shift
Double clutching should not be used when the road is slippery
23
Which of these items is not checked in a pre-trip inspection
Cargo securement
Whether all vehicle lights are working and are clean
Amount of fuel in the vehicle
24
Which of these is especially true about your tiers in hot weather
If a tire is too hot to touch you should hose it down with water
you should check tire mounting and air pressure before driving
A small amount of air should be let out so air pressure remains steadily
25
Which of these happens when a tire blows out at highway speed?
A rapid drop in speed to less than 20 mph
A vibrating feeling
A hissing sound
26
Which of these statements about certain types Cargo is true?
--times when the roads are not busy
Oversize loads can be transported without special permits during--
--caution on curves
Unstable loads such as hanging meat or livestock can require extra--
27
Why is a broken exhaust system dangerously
Poisonous fumes could enter the cab or sleeper berth
Loud noise could damage the drivers ears
You could pollute the air with exhaust smoke
28
What is countersteering
Using the steering axie brakes to prevent oversteering
Turning the steering wheel back in the other direction after steering to---
--avoid a traffic emergency
Turning the steering wheel counterclockwise to prevent oversteering
29
Take extra care to keep your vehicle centered in your lane because commercial vehicles
Are often wider than other vehicles
Tend to sway from side to side
Require a lot of room to change lanes
30
What should you do when your vehicle hydroplanes
Accelerate slightly
Start stab braking
Release the accelerator
31
You are starting your vehicle in motion from a stop as you apply power to the drive wheels they start to spin you should
Take your foot off the accelerator
Take your foot off the accelerator and apply the breaks
Try a lower gear
32
The total weight of a powered unit, the trailer and, the cargo is called
Gross axle weight
Gross combination weight
Gross vehicle weight
33
Why is a broken exhaust system dangerous?
Oil on the tie rod may catch on fire
You could pollute the air with exhaust smoke
Poisonous fumes could enter the cab or sleeper berth
34
When driving through work zones you should
Watch for sharp pavement drop-off
Reduce speed only if workers are close to the roadway
Turn on your parking lights
35
Which of these light cannot be checked at the same time
Turn signals, Brake lights and four-way flashers
Headlights, Brake lights, and CLeaence Lighta
Turn signals, taillights and clearance lights
36
Which of these is especially true about your tires in hot weather
If a tire is too hot to touch you should hose it down with water
A small amount of air should be let out so air pressure remains steady
You should check tire mounting and air pressure before driving
37
When the roads are slippery you should
Make turns as carefully as possible
Stop and test tire traction when going up hill
Decrease the distance that you look ahead of your vehicle
38
Containerized loads
Should come with their own tie down device or locks
Are generally used for freight carried part way by rail or ship
Do not need to be inspected or secured bu the driver
39
Truck escape ramps
Help avoid damages to vehicles
Cannot be used by certain types of heavy vehicles
Are not for buses
40
Which of these statements about brakes is true?
The heavier a vehicle/faster it is moving the more heat the breaks have--
to absorb to stop it
Brake fade is not caused by heat
Brake drums cool very quickly when the vehicle is moving very fast
41
You wish to turn right from a two-lane, two-way street into another. Your vehicle is so long that you must swing
Figure A
Figure C
Figure B
42
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
30 mph
35 mph
25 mph
45 mph
43
When the roads are slippery you should
Decrease the distance that you look ahead of your vehicle
Make turns as carefully as possible
Stop and test the traction while going up hills
44
Which of these is usually true about driving in tunnels
Headlights are required by law
Speeds are limited to 30 mph or less
There may be strong winds when exiting
45
You are checking your steering & exhaust systems in a pre-trip inspection which of these problems should be fixed
Oil on the tie rod
Gray smoke from the exhaust pipe
Steering wheel play more than 10( 2inch on a 20inch wheel)
46
According to the Commercial Diver Supplement, why should you limit the use of your horn
You should keep both hands tightly gripping the steering wheel at all times
It can startle other drivers
On vehicles with air brakes it can use air pressure that maybe need to stop
47
If you need to leave the road in a traffic emergency you should?
Avoid the shoulder because most shoulders will not support large vehicles
Avoid breaking until your speed has dropped to about 20 mph
Try and get all wheels off the pavement
48
You should use your mirrors to check
Blinds sports only
Where the rear of your vehicle is while you make turns
If your running lights are working properly
49
The purpose of retarders is to
Help prevent skids
Apply extra braking power to the non-drive axles
Help slow the vehicle while driving and reduce brake wear
50
You should use your mirrors to check
Blind sports only
Where the rear of your vehicle is while you make a turn
If your running lights are working properly
51
Which of these statements about backing a heavy vehicle is not true
Because you can't see you should back slowly until you sightly bump into--
--the dock
You should use a helper and communicate with hand signals
You should back and turn towards the drivers side whenever possible
52
Stab braking
Should only be used on vehicles without anti lock systems
Involves applying the brakes and then releasing them after wheels lock up
Should only be used with hydraulic brakes
53
Where must you keep shipping papers when transporting hazardous materials
In the glove department, which must be locked
Under the driver's seat
In a pouch on the drivers door or on the seat
54
For a first offense of driving a commercial vehicle under the influence of alcohol/drugs you will lose your CDL for
1 year
6 months
2 years
1 1/2 years
55
You are driving a-long vehicle that makes wide turns You want to turn left from one street into another. both are two
Being turning your vehicle as soon as you enter the intersection
Begin turning your vehicle when halfway through the intersection
Turn into the left lane. Move to the right lane when traffic is clear
56
*You are checking your steering& exhaust systems in a pre-trip inspection Which of these problems if found should
Oil in the tie rod
Wheel
Black smoke from the exhaust pipe
Steering wheel play of more than 10 degrees(2 inches on a 20 inch steering-
57
Which statement is true
Many heavy vehicle accidents occur between midnight and 6 a.m.
Most people are more alert at night than during the day
Most hazards are easier to see at night than during the day
58
You are driving a new truck with a manual transmission what gear will you probably have to use for long,steep downhill
A higher gear than you would use to climb the hill
The same gear you would use to climb the hill
A lower gear than you would use to climb the hill
59
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
- the wheel so that the back moves away from the roadway
Keep the clutch slipping while slowly accelerating
Let the vehicle roll backwards a few before you engage the clutch but turn-
60
You are driving a 40-foot vehicle at 35 mph the road is dry and visually good what is the least amount of space
3 seconds
5 seconds
4 seconds
6 seconds
61
Which is a broken exhaust system dangerous
You could pollute the air with exhaust smoke
Poisonous fumes could enter the cab or sleeper berth
Oil on the the rod may catch on fire
62
If you're not sure what to use to put out a hazardous materials fire you should
Wait for qualified fire fighters
Use Water
Use Dirt
63
Which of these statements about causes of vehicle fires is true
Under-inflated tires will not cause a vehicle fire
Poor trailer ventilation can cause flammable cargo to catch on fire
Carrying a properly charge fire extinguisher will help prevent fires
64
Which of these statements is true about double-clutching and shifting
Double-clutching should not be used when the road is slippery
You can use the tachometer to tell you when to shift
Double-clutching should only be used with a heavy load
65
You are driving on a straight level highway at 50mph Theres no vehicles in front of you suddenly you tired blows
Stay off the brake until the vehicle has slown down
Begin emergency braking
Begin light braking
66
Merging onto a road is easiest if you
Gain speed on the shoulder and then merge
Inch over into the nearest lane so that other vhicles will give you room
Wait for a large enough gap in traffic to enter the road
67
Extra care is needed to keep your vehicle centered in your lane because commercial vehicles
Require a lot of room to change lanes
Are often wider than other vehicles
Tend to sway from side to side
68
You should avoid driving through deep puddles or flowing water but if you can't which of these steps can help keep
Pressing both the brake Pedal&Accelerator firmly after coming out of water
Gently putting on the brakes while driving through water
Turing on your brake heaters
69
According to the Commercial Driver Handbook, Why should you limit the use of your horn
You should keep both hands on the steering wheel at all times
It reduces air pressure needed to stop vehicles with air brakes
It can startle other drivers
70
Which of these items is not checked in a pre-trip inspection
Fuel Level
Cargo securement
Vehicle lights
71
After starting the engine the
Oil pressure gauge should take 3-5 minutes to rise to normal
Coolant temperature gauge should begin a gradual rise to normal
Engine temperature gauge will take 3-5 minutes to rise to normal
72
Merging onto a road is safest if you
Wait for a large enough gap in traffic to enter the road
Gain speed on the shoulder and then merge quickly
Slowly drive into the nearest lane so other vehicles will give you room
73
You are driving in heavy traffic at 35 mph The speed limit is 55 mph the safest speed for your vehicle is
35mph
55 mph
45 mph
25 mph
74
Which of these is correct about emergency or evasive action
You can usually stop more quickly than you can turn to miss an obstacle
In order to turn quickly you must have a firm grip on the steering wheel
Stopping is always the safest thing to do in an emergency
75
CDL medical certificates must renew every
year
4 years
2 years
3 years
76
When you are passing another vehicle, pedestrian or bicyclist you should assume that they
Know you want to pass
See your vehicle
May move into your traffic lane
77
When hydraulic breaks fail while driving the system won't build up pressure and the brake pedal will feel spongy or
Put the vehicle in neutral and set the parking brake
Pump the brake pedal to generate pressure
Push down on the brake padel as hard as you can
78
Which of these is not true about backing a heavy vehicle
You should back slowly until you slightly bump into a dock
You should use a helper and communicate with hand signals
You should back and turn towards the drivers side whenever possible
79
CDL medical certificates must be renewed every?
5 years
Four years
Yearly
Two years
80
You must complete a written vehicle inspection report every day. You must sign the report
Only when the noted defects are certified not needing repair
Only when defects are noted that are certified to be repaired
If the previous driver noted any defects
81
Which of these happens when a tire blows out at highway speeds
A vibrating feeling
A hissing sound
A rapid drop in speed to less than 20 mph
82
Which of these is not part of the engine compartment pre-trip inspection
Engine oild level
Checking for worn electrical wiring insulation
Valve clearance
83
You are checking your steering and exhaust systems in a pre-trip inspection. Which of these problems should be fixed
Black smoke from the exhaust-pipe
Steering wheel play of more of 10degrees (2inch on a 20inch steering wheel)
Oil on the tie rod
84
You are driving a new truck with a manual transmission What gear would you have to use to take a long steep downhill.
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
85
How far should a driver look ahead of their vehicle while driving
5-8seconds
12-15 seconds
18-21 seconds
1-4 seconds
86
What three things add up to the total stopping distance for your truck or bus
Perception distance, Reaction distance, Braking distance
Observation distance, Response distance, Braking distance
Attention distance, Reaction distnance, Slowing distance
87
Which of these is a good thing to do when driving
Look directly at oncoming headlights only briefly
Keep your instrument lights bright
Drive slowly enough to stop within the range of your headlights
88
Which of these statements is true about cargo types
Oversized loads can be transported without special permits--
Unstable loads require extra caution ( hanging meat, Livestock)
--when roadways are not busy
Tank vehicles used to transport liquids should always be fully loaded
89
What three things add up to the total stopping distance for your truck or bus
Perception distance, reaction distance , braking distance
Observation distance, Responce distance, braking distance
Attention distance, reaction distance, slowing distance
90
Which of these is true about your overhead clearance?
The weight of a cargo can change the height of your vehicle
Warnings are always posted for low clearance like bridges or overpasses
Paving a road doen't affect the clearance height under bridges or overpass
91
Which of these is true about vehicle overhead clearance
Pavement does not affecr the clearance height under bridges or overpasses
Warnings are always posted for a low clearance areas
Cargo weight can change your vehicle's height
92
To determine blood alcohol concentration (BAc) for a person it is necessary to know
How often the person drinks alcohol (tolerance level)
How old the person is
How much a person weighs
93
Placards must be
Dispalyed on all vehicles transporting any amount of hazardous material
Placed on all four sides of a vehicle
Placed only on the front and rear of a vehicle
94
Which of these is not a good rule to follow when caring for injured at an accident scene
Keep injured persons cool
If qualified person is helping, stay out of the way unless asked for help
Move severely injured persons if there is a danger due to fire or traffic
95
Which of these is true about bad weather and driving conditions?
The road is more slippery as rain continues than when rain begins
Driving condition become more dangerous as temperature rise above freezing
When the temperature drops bridges will freeze before roads
96
How does vehicle weight affect stopping distance
Empty trucks can take longer to stop than loaded trucks
It doesn't brakes work the same regardless of vehicle weight
Fully loaded trucks take longer to stop
97
You are driving a long vehicle that makes wide turns. You want to turn left from one street into another both are two
Turn into the left lane&then move to right lane when the traffic is clear
Begin turning your vehicle as soon as you enter the intersection
Begin turning your vehicle when you are halfway through the intersection
98
Which of these statements about speed management is true
Road surfaces will freeze before bridges
When the road is slippery it will take longer to stop and it will be --
Harder to turn without skidding
Shady parts of the road allow better traction than open areas
99
Which statement is true
Many heavy vehicle accidents occur between midnight and 6am
Most people are more alert during the day
Most hazards are easier to see at night than during the day
100
The distance that you should look ahead of your vehicle while driving is about ___ mile at highway speed
1/4
1/2
1/6
1/8

2/3 Commercial Driver license Knowledge test Flashcards | StudBud