問題一覧
1
you are traveling down a long steep hill. your brakes get so hot that they fail. what should you do?
look for an escape ramp or escape route
2
the center of gravity of a load
can only make a vehicle more likely to tip over on curves if it is high
3
to prevent a load from shifting there should be at least one tiedown for ever ___ feet of cargo
10
4
what is the proper way to hold a steering wheel?
with your hands placed on opposite sides of the wheel
5
you are driving a 40 foot vehicle at 35 mph. 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
6
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
7
while driving ice builds up on your wiper and they no longer clean the windshield. you should
stop safely and fix the problem
8
what is countersteering?
turning the wheel back in the other direction after steering to avoid a traffic emergency
9
which of these statements about driving in areas with strong winds is true?
winds are a big problem when a truck comes out of a tunnel.
10
to help you stay alert while driving you should
take short breaks before you get drowsy
11
you do not have a hazmat endorsement on your cdl. you can drive a vehicle hauling hazardous materials when
the vehicle does not require placards
12
cargo inspections
should be performed after every break you take while driving.
13
retarders
can cause the drive wheels to skid when they have poor traction
14
you are driving a new truck with 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
15
which of these statements about marking a stopped vehicle is true?
if a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet move the rear reflective
16
a vehicle loaded with very little weight on the drive axle what may happen?
poor traction
17
which of these statements about speed management is true?
you should choose a speed that lets you stop within the distance that you can see ahead
18
which of these best describes how you should use the brake pedal on a steep downhill grade?
use the braking affects of the engine and when the vehicle speed reaches the safe speed apply the brakes firmly until the vehicle speed is reduced to approximately 5 mph below “safe” speed.
19
which of these statements about double clutching and shifting is true
you can use a tachometer to tell you when to shift
20
which of these statements about using turn signals is true
when turning you should signal early
21
every time you leave your vehicle you should
apply the brake
22
which of these statements about cargo loading is true ?
state laws dictate legal weight limits
23
which of these is a good thing to do when driving at night ?
keep your speed low enough that you can stop within the range of your headlights
24
if your vehicle catches fire while driving you should
park in an open area
25
how far ahead of the truck should a driver look while driving
12-15 seconds
26
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
27
how do you test hydraulic brakes for leaks
firmly push down the pedal for 5 seconds and see if it moves
28
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
29
an enroute inspection should include checking for
both of the above
30
you are driving in the right lane of a four individed 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 option to take?
steer to the right
31
where or when should you test the stopping action of your service brakes
when the truck is moving about 5mph
32
which of these is not part of the pre trip inspection of the engine compartment
valve clearance
33
which of these statements about backing a heavy vehicle is true
you should avoid backing whenever you can.
34
you are driving a long vehicle that makes wide turns you want to make a left turn. there are two left turns lanes. the street you are turning onto is a four lane street with two lanes in each direction you should
use outside turn lane
35
cargo covers
both of the above
36
high beams should be
used when it is safe and legal to do so
37
which of these is the most important thing to remember about emergency braking
if the wheels are skidding you cannot control the vehicle
38
which of these statements about managing space is true
when the road is slippery you need much more room to stop
39
you wish to turn right from one two lane two way street into another. your vehicle is so long so you must swing wide to make the turn which is the proper way to make the turn ?
stop and wait for traffic
40
which of these statements about drugs is true
use of alcohol and drugs can lead to accidents and arrests
41
you 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
42
the road you are driving on becomes very slippery due to black ice which of these is a good thing to do in such situation
stop driving as soon as you can safely do so
43
to correct a drive wheel braking skid you should
stop braking turn quickly and countersteer
44
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 hot weather
45
your truck is in a traffic emergency and you 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
46
which fires can use water to put out ?
tire fires
47
what should you do when your vehicle hydroplanes
release the accelerator
48
which of these statements about downshifting is true?
when you downshift for a curve you should do so before you enter the turn
49
you are starting your vehicle from a stop as you apply power to the drive wheels, they start to spin you should
take your foot off the accelerator
50
when the roads are slippery you should
make turns as gently as possible
51
which of these statements about brakes is true ?
the heavier the vehicle or the faster it is moving the more heat the brakes have to absorb to stop it
52
stab braking
involves releasing the brakes only after the wheels lock up
53
when driving through work zones you should
do both of the above
54
it takes the body about __ hours to get rid of the alcohol in four drinks
4
55
you are driving a vehicle at 55mph on dry pavement about how much total stopping distance will you need to bring it to a stop ?
the length of a football field
56
cargo that can shift should have at least ___ tiedowns
two
57
if a straight vehicle ( no longer or articulation ) goes into front wheel skid it will
go straight ahead even if the steering wheel is turned
58
which of these statements about certain types of cargo is true?
unstable loads such as hanging meat or livestock can require extra caution on curves
59
which of these statements about accelerating is true ?
rough acceleration can cause mechanical damage
60
you are driving a heavy vehicle you must exit a highway using an off ramp that curves downhill you should
slow down to a safe speed before the curve
61
a key principle to remember about loading cargo is to keep the load
balanced in the cargo area
62
you are driving on a straight level highway at 50 mph there are no vehicles in front of you. suddenly a tire blows out on your truck what should you do first ?
stay off the brake until the vehicle has slowed down
63
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
64
which of these statements about staying alert to drive is true
sleep is the only thing to overcome fatigue
65
which of these is a good thing to remember about using mirrors?
there are “blind spots” that your mirror cannot show you
66
your vehicle has hydraulic brakes while driving on a level road you press the brake pedal and find it goes on the floor which of these statements is true?
pumping the brake pedal may bring the pressure up so you can stop the vehicle
67
brake “fade”
can be caused by the brakes getting very hot
68
you are driving on a two lane road. an oncoming driver drifts into your lane and is headed straight for you. which of these is often the most important step to take ?
steer to the right
69
which of these statements about engine overheating is true?
you should never remove the radiator cap on a pressured system until the system has cooled
70
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
71
a vehicle is loaded with the most weight on the steering axel. what may result?
hard steering and possible damage to the tires
72
you are driving a 40 foot vehicle at 50 mph driving conditions are ideal what is the least amount of space that you should keep in front of your vehicle to be safe?
5 seconds
73
which of these 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
74
you are checking your wheels and rims for a pretrip inspection which of these statements is true
rust around wheek nuts may mean that they are loose
75
you don’t have hazmat endorsement on your cdl you are asked to deliver a hazmat load in a placard vehicle you should
refuse to haul the load
76
as the blood alcohol concentration ( BAC ) goes up what happens
judgement and self control are effected
77
if you need to leave the road in a traffic emergency you should
avoid backing until your speed has dropped to about 20 mph
78
you should stop driving
whenever you become sleepy
79
which of these statements about downshifting for a long downgrade is true?
it allows engine compression and friction to help slow the truck
80
if you must drive through deep puddles or flowing water which of these steps can help you keep your brakes from working
gently putting on the brakes while driving through the water
81
when looking ahead of your vehicle while driving you should look
back and forth and near and far
82
escapes ramps are
used to stop runaway vehicles
83
when driving at night you should
adjust your speed to keep your stopping distance within your sight distance
84
which of these statements about cold weather driving is true
windshield washer antifreeze should be used
85
when should you wear seatbelts
anytime you are in a moving vehicle
86
controlled braking
is used to keep a vehicle in a straight line when braking
87
how do you correct a rear wheel acceleration skid ?
stop accelerating
88
which of these is not a good rule to follow when caring for an injured person at the site of an accident scene?
keep the injured person cool
89
for your safety whn setting out reflective triangles you should
hold the triangles between yourself and oncoming traffic
90
the most common cause of serious skids is
driving too fast for road conditions
91
heavy vehicles must sometimes travel more slowly than other traffic which of these is not a good rule to follow when you are driving such a vehicle
signal other drivers when it is safe for them to pass you
92
the most important reason for being alert to hazards is so
you will have time to plan your escape if the hazard becomes an emergency
93
hydroplaning
is more likely if tire pressure is low
94
if you are being tailgated you should
increase your following distance
95
which of these statements about overhead clearance is true
the weight of the vehicle changes it’s height
96
which of these statements about vehicle fires is true
a burning tire should be cooled with water
97
the parking brake should be tested while the vehicle is
parked
98
which of these is a good rule to follow when using a fire extinguisher
aim at the base of a fire
99
you are driving a long vehicle that makes wide turns you want to turn left both are two lane two way streets you should
begin turning your vehicle when you are halfway through the intersection
100
while driving you see a small ( 1 foot square ) cardboard box in your lane you should
steer around it without making a sudden or unsafe move