問題一覧
1
To prevent a load from shifting, there should be at least one tie down for every __ feet of cargo.
10
2
You are driving a 40-foot vehicle at 35mph. The road is dry,and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
4 seconds
3
Which of these statements about drinking alcohol is true?
A few beers have the same effect on driving as a few shots of whiskey or a few glasses of wine
4
While driving, ice builds up on your wipers and they no longer clean the windshield. You should:
stop safely and fix the problem.
5
Which of these statements about driving in areas with strong winds is true?
Winds are a big problem when a truck comes out of tunnels.
6
What is counter-steering?
Turning the wheel back in the other direction after steering to avoid a traffic emergency.
7
To help you stay alert white driving, you should
Take short breaks before you get drowsy
8
You dp not have a Hazardous Materials Endorsement on your Commercial Driver's License. You can drive a vehicle hauling hazardous materials when:
The vehicle does not require placards.
9
Cargo inspections:
Should be performed as part of your pre-trip inspection, again within the first 50 miles of your trip, then again after you have driven 3 hours or 150 miles, and after every break you take during driving.
10
Retarders
Can cause the drive wheels to skid when they have poor traction.
11
You are driving a new truck with a manual transmission. What gear will you probably have to use to take a long, steep downhill grade?
A lower gear than you would use to climb the hill.
12
Which of these statements about sp~ed management is true?
you should choose a speed that lets you stop within the distance that you can see ahead
13
Which of these best describes how you should use the brake pedal on a steep downhill grade?
Snubbing.
14
* Which of these statements about double clutching and shifting is true?
you can use the tachometer to tell you when to shift.
15
Which of these statements about using turn signals is true?
When turning, you should signal early
16
Which of these statements about cargo loading is true?
State laws dictate legal weight limits
17
If your vehicle catches fire while you are driving, you should
Park in an open area
18
You are checking your tires for a pre-trip inspection. Which of these statements is true
Tires of mismatched sizes should not be used on the same vehicle
19
You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?
It may be a slow-moving vehicle
20
An en route inspection should include checking for:
Both of these are correct
21
You~re driving in the right lane of a four-lane, undivided road. You come over a hill and find a car stopped ahead in your lane. You do not have room to stop. The hill blocks your view to the rear. The shoulder is clear. Which of these is most likely the best action to take?
Steer to the right
22
Where or when should you test the stopping action of your service brakes?
When the vehicle is moving at about 5 mph
23
Which of these is not part of the pre-trip inspection of the engine compartment?
Valve clearance.
24
Cargo covers:
both of the answers
25
High beams should be
used when it is safe and legal to do so
26
Which of these is the most important thing to remember about emergency braking?
if the wheels are skidding, you cannot control the vehicle.
27
You must park on the side of a level, straight, two-lane road. Where should you place the reflective triangles?
one within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle.
28
The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?
Stop driving as soon as you can safely do so
29
Which of these statements about tires and hot-weather driving is true?
You should inspect your tires every two hours or every 100 miles when driving in very hot weather.
30
Your truck is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?
You can almost always turn to miss an obstacle more quickly than you can stop
31
What should you do when your vehicle hydroplanes?
Release the accelerator
32
You are starting your vehicle from a stop. As you apply power to the driver wheels, they start to spin. You should:
Take your foot off the accelerator
33
Stab Braking:
Involves releasing the brakes only after the wheels lock up.
34
It takes the body about __ hours to get rid of the alcohol in four drinks.
4
35
Cargo that can shift should have at least __ tie-downs(s)
2
36
If a staight vehicle (no trailer or artteulation) goes into a front-wheel skid, it will:
Go straight ahead even if the steering wheel is turned.
37
Which of these statements about accelerating is true?
Rough acceleration can cause mechanical damage
38
Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?
Heavy vehicles need larger gaps in traffic than cars.
39
Which of these statements about staying alert to drive is true?
Sleep is the only thing that can overcome fatigue
40
You are driving on a two-Jane road. An oncoming driver drifts into your Jane and is headed straight for you. Which of these is most often the best action to take?
Steer to the right.
41
Which of these statements about engine overheating is true?
You should never remove the radiator cap on a pressurized system until the system has cooled.
42
You are driving a truck with a manual transmission. You have to stop the truck on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?
Use the parking brake to hold the vehicle until the clutch engages.
43
A vehicle is loaded with most of the weight on the steering axle. What may result?
Hard steering and possible damage to the tires.
44
You are driving a 40-foot vehicle at 50 mph. Driving conditions are ideal (dry pavement, good visibility). What is the least amount of space that you should keep in front of your vehicle to be safe?
5 seconds
45
Which of these things is a good thing to do when steering to avoid a crash?
Do not turn any more than needed to clear what is in your way.
46
You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?
Rust around lug nuts may mean that they are loose.
47
You do not have a Hazardous Materials Endorsement on your Commercial Driver's License.You are asked to deliver hazardous material in a placarded vehicle. You should:
Refuse to haul the load
48
As the Blood Alcohol Concentration (BAC} goes up, what happens?
Judgment and self-control are affected
49
If you need to leave the road in a traffic emergency, you should:
Avoid braking until your speed has dropped to about 20mph.
50
Which of these statements about downshiftfng for a long downhill grade is true?
It allows engine compression and friction to help slow the vehicle
51
When looking ahead of your vehicle while driving you should look:
Back and forth near and far.
52
You should use your mirrors to check
Where the rear of your vehicle is while you make turns.
53
Which of these statements about downshiftfng for a long downhill grade is true?
It allows engine compression and friction to help slow the vehicle
54
When looking ahead of your vehicle while driving you should look:
back and forth near and far
55
Escape ramps are:
Used to stop runaway vehicles
56
Which of these statements about cold-weather driving is true?
Windshield washer antifreeze should be used.
57
Controlled braking:
is used to keep a vehicle in a straight line when braking.
58
How do you correct a rear-wheel acceleration skid?
Stop accelerating.
59
Which of these is NOT a good rule to follow when caring for injured at an accident scene?
Keep injured persons cool.
60
For your safety, when setting out reflective triangles you should:
Hold the triangles between yourself and oncoming traffic.
61
Hydroplaning
is more likely if tire pressure is low
62
The distance your vehicle travels from the time your eyes see a hazard until your brain recognizes it is called _____ distance
Perception
63
The 'reaction distance" is the distance traveled from the time
The brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.
64
The distance that you should look ahead of your vehicle while driving amounts to about __ at highway speed.
1/4 mile
65
Which ofthese statements about downshifting for a long downhill grade is true?
It allows engine compression and friction to help the brakes slow the vehicle.
66
If rou are driving a 30 foot vehicle at 55 mph, how many seconds of following distance should you allow?
4 secs
67
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:
35 MPH
68
How far ahead should you be looking while driving in town?
1 block
69
What is a hazardous materials placard?
Signs put on the outside of a vehicle which identify the hazard class of the cargo.
70
Signs put on the outside of a vehicle which The total weight of the powered unit, the trailer, and the cargo is called:
Gross combination weight.
71
What should you do if you see a hazard in the roadway?
Use your 4-way flashers or brake lights to warn others.
72
Your vehicle has hydraulic brakes. When traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?
Pumping the brake will generate enough pressure to stop the vehicle.
73
If you must stop on a hill in a two-way, two-lane road. How far back should you place your reflective trif)ngles?
Within 500 feet behind the vehicle. c.
74
Stab braking should not be used on vehicles with:
Anti Lock Brakes
75
Which of the following is true about a vehicle with a high center of gravity?
The cargo should be rearranged so that the heaviest parts of the cargo are under the lightest parts.
76
The 'reaction distance" is the distance traveled from the time:
The brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.
77
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 football field (300 feet).
78
When driving through roadway work zones, you should:
Watch for sharp pavement drop-offs
79
To prevent "brake fade" you should
Select a gear that will keep your vehicle to a safe speed on steep downgrades
80
Convex curved mirrors:
Show a wider area than flat mirrors
81
When driving at night, use your low beams, when an oncoming vehicle is within:
500 feet