CDL Practice Test
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- Answered
- Review
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Question 1 of 191
1. Question
What is the most important reason for doing a vehicle inspection?
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Question 2 of 191
2. Question
What things should you check during a trip?
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Question 3 of 191
3. Question
Name some key steering parts.
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Question 4 of 191
4. Question
Name a suspension system defect.
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Question 5 of 191
5. Question
What 3 kinds of emergency equipment should you have?
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Question 6 of 191
6. Question
What is the minimum tread depth for front tires?
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Question 7 of 191
7. Question
What is the minimum tread depth for other tires?
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Question 8 of 191
8. Question
Name some things you should check on the front of your vehicle during the walk around inspection?
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Question 9 of 191
9. Question
What should wheel bearing seals be checked for?
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Question 10 of 191
10. Question
How many reflective triangles should you carry?
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Question 11 of 191
11. Question
Why should you back toward the driver’s side?
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Question 12 of 191
12. Question
What is a pull-up?
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Question 13 of 191
13. Question
If stopped on a hill, how can you start moving without rolling back?
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Question 14 of 191
14. Question
When backing, why is it important to use a helper?
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Question 15 of 191
15. Question
What’s the most important hand signal that you and the helper should agree on?
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Question 16 of 191
16. Question
What are the 2 special conditions where you should downshift?
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Question 17 of 191
17. Question
When should you downshift automatic transmissions?
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Question 18 of 191
18. Question
Retarders keep you from skidding when the road is slippery. True or False?
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Question 19 of 191
19. Question
What are 2 ways to know when to shift?
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Question 20 of 191
20. Question
How far ahead should you look when driving?
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Question 21 of 191
21. Question
What are the 2 main things to look for ahead?
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Question 22 of 191
22. Question
What’s your most important way to see the sides and rear?
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Question 23 of 191
23. Question
What does “communicating” mean in safe driving?
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Question 24 of 191
24. Question
Where should your reflectors be placed when stopped on a divided highway?
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Question 25 of 191
25. Question
What 3 things add up to total stopping distance?
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Question 26 of 191
26. Question
If you go twice as fast, your stopping distance will increase by twice or 4 times?
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Question 27 of 191
27. Question
Empty trucks have the best braking. True or False?
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Question 28 of 191
28. Question
What is “hydroplanning”?
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Question 29 of 191
29. Question
What is “black ice”?
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Question 30 of 191
30. Question
You should use low beams whenever you can. True or False?
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Question 31 of 191
31. Question
What should you do before you drive if you are drowsy?
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Question 32 of 191
32. Question
What effects can wet brakes cause?
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Question 33 of 191
33. Question
You should let air out of hot tires so the pressure goes back to normal. True of False?
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Question 34 of 191
34. Question
You can safely remove the radiator cap as long as the engine isn’t overheated. True or False?
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Question 35 of 191
35. Question
What factors determine your selection of a “safe” speed when going down a long, steep downgrade?
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Question 36 of 191
36. Question
Why should you be in proper gear before starting down a hill?
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Question 37 of 191
37. Question
What is a “hazard”?
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Question 38 of 191
38. Question
Why make emergency plans when you see a hazard?
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Question 39 of 191
39. Question
Stopping is not always the safest thing to do in an emergency. True of False?
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Question 40 of 191
40. Question
What is an advantage of going right instead of left around an obstacle?
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Question 41 of 191
41. Question
What is an “escape ramp”?
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Question 42 of 191
42. Question
If a tire blows out, you should put the brakes on hard to stop quickly. True of False?
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Question 43 of 191
43. Question
What is one thing to do at an accident scene to prevent another accident?
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Question 44 of 191
44. Question
Name 2 causes of tire fires?
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Question 45 of 191
45. Question
What kind of fire is a B:C extinguisher good for?
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Question 46 of 191
46. Question
When using your extinguisher, should you get as close as possible to the fire?
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Question 47 of 191
47. Question
Name a cause of vehicle fires.
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Question 48 of 191
48. Question
For what 3 things related to cargo are drivers responsible?
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Question 49 of 191
49. Question
How often while on the road must you stop to inspect your cargo?
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Question 50 of 191
50. Question
What is the “gross combination weight”?
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Question 51 of 191
51. Question
Name a situation where legal maximum weight may not be safe.
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Question 52 of 191
52. Question
What can happen if you don’t have enough weight on the front axle?
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Question 53 of 191
53. Question
What can happen if you don’t have enough weight on the front axle?
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Question 54 of 191
54. Question
What is the minimum number of tie downs for a 20 foot load?
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Question 55 of 191
55. Question
What is the minimum number of tie downs for any flatbed load?
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Question 56 of 191
56. Question
Name 1 basic reason for covering cargo on an open road.
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Question 57 of 191
57. Question
What must you check before transporting a sealed load?
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Question 58 of 191
58. Question
Stab braking should not be used on vehicles:
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Question 59 of 191
59. Question
What should you always do when traveling down a long downgrade?
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Question 60 of 191
60. Question
Bridge formulas are designed to:
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Question 61 of 191
61. Question
Which statement is true?
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Question 62 of 191
62. Question
The first offense for driving a commercial vehicle under the influence of drugs or alcohol will cause you to lose your CDL for:
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Question 63 of 191
63. Question
Your vehicle will be placed “out of service” if this many leaves are broken or missing?
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Question 64 of 191
64. Question
Can your truck or bus be inspected by federal inspectors?
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Question 65 of 191
65. Question
Can I use over-the-counter medications when operating a CMV?
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Question 66 of 191
66. Question
Which of these statements is true?
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Question 67 of 191
67. Question
Which statement is true about rear drive-wheel braking skids?
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Question 68 of 191
68. Question
Which of these can you not check at the same time?
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Question 69 of 191
69. Question
Which of the following will occur after you start your engine?
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Question 70 of 191
70. Question
If your vehicle is 40 feet long and you are traveling 50 mph, what is the safe following distance?
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Question 71 of 191
71. Question
You can be placed out of service if your Blood Alcohol Concentration is:
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Question 72 of 191
72. Question
What should you do when you see a hazard in the road in front of you?
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Question 73 of 191
73. Question
Why should you conduct a pre-trip inspection?
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Question 74 of 191
74. Question
What happens when a tire blows out at highway speed?
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Question 75 of 191
75. Question
Which of these statements is true about tire pressure?
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Question 76 of 191
76. Question
You should use your horn:
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Question 77 of 191
77. Question
Convex mirrors will:
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Question 78 of 191
78. Question
What type of fire will water extinguish?
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Question 79 of 191
79. Question
If you are traveling down a long grade and your brakes start to get weak, you should:
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Question 80 of 191
80. Question
Why is it important to shift gears properly?
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Question 81 of 191
81. Question
When starting off on dry, level pavement, it is normally not necessary to:
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Question 82 of 191
82. Question
With low beam headlights on, you can see
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Question 83 of 191
83. Question
Which of these conditions can produce a skid?
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Question 84 of 191
84. Question
What should you do if you are being tailgated?
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Question 85 of 191
85. Question
When should you use controlled braking?
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Question 86 of 191
86. Question
Which of the following is true when driving in cold weather?
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Question 87 of 191
87. Question
When drinking alcohol, which is affected first?
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Question 88 of 191
88. Question
When backing to a dock, which of the following is not true?
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Question 89 of 191
89. Question
What is controlled braking?
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Question 90 of 191
90. Question
What should you do when traveling through a construction zone?
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Question 91 of 191
91. Question
When your brakes are wet, it is very easy to:
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Question 92 of 191
92. Question
If you are stopped on the shoulder of the road on a divided highway, you must:
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Question 93 of 191
93. Question
The maximum speed limit for a school bus on a highway is:
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Question 94 of 191
94. Question
When conducting a pre-trip inspection of the steering system, you would not inspect:
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Question 95 of 191
95. Question
Before entering a curve, you should:
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Question 96 of 191
96. Question
You must come to a full stop at railroad crossings:
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Question 97 of 191
97. Question
You may not drive for more than ___ hours following your last period of 8 consecutive hours off duty.
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Question 98 of 191
98. Question
About ____ of all fatal crashes involve drinking drivers.
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Question 99 of 191
99. Question
When you double your speed, it takes ____ times as much distance to stop your vehicle.
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Question 100 of 191
100. Question
“Offtracking” is:
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Question 101 of 191
101. Question
How far ahead should a driver be looking while driving a vehicle?
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Question 102 of 191
102. Question
You are driving a heavy vehicle and must exit the highway using an off ramp that curves downhill. You should:
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Question 103 of 191
103. Question
Which of these statements are true about downshifting?
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Question 104 of 191
104. Question
Which fires can you put out with water?
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Question 105 of 191
105. Question
Which of these statements about backing a heavy vehicle is true?
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Question 106 of 191
106. Question
The key point in balancing cargo weight is to keep the load:
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Question 107 of 191
107. Question
In normal driving some drivers use the hand valve before the brake pedal to prevent a jackknife. Which one of these statements are true?
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Question 108 of 191
108. Question
There are two things a driver can do to prevent a roll over, the first, keep the cargo as close to the floor as possible and what is the other?
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Question 109 of 191
109. Question
Brakes can get wet when you drive through a heavy rain. Wet brakes can cause?
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Question 110 of 191
110. Question
You are checking your steering and exhaust systems during a pre-trip inspection. Which of these statements is true?
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Question 111 of 191
111. Question
Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action.
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Question 112 of 191
112. Question
Which of these is a good rule to follow when driving at night?
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Question 113 of 191
113. Question
Which of these statements are true about brakes?
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Question 114 of 191
114. Question
Which of these is the most important thing to remember about emergency brakes?
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Question 115 of 191
115. Question
How do you test hydraulic brakes for leaks?
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Question 116 of 191
116. Question
You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?
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Question 117 of 191
117. Question
You are checking your wheels and rims during a pre-trip inspection. Which of these statements is true?
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Question 118 of 191
118. Question
To avoid a crash, you had to drive on the right shoulder. How should you move back onto the pavement?
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Question 119 of 191
119. Question
If you are being tailgated, you should?
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Question 120 of 191
120. Question
Which of these statements about staying alert to drive is true?
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Question 121 of 191
121. Question
Which of these statements about speed management is true?
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Question 122 of 191
122. Question
How far should a driver look ahead of the vehicle while driving?
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Question 123 of 191
123. Question
You are driving a 40 foot vehicle at 45 mph. Driving conditions are ideal (dry pavement, good visibility). The least amount of space that you should keep in front of your vehicle to be safe is the distance you would travel in:
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Question 124 of 191
124. Question
Which of these statements about drinking alcohol is true?
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Question 125 of 191
125. Question
As the Blood Alcohol Concentration (BAC) goesup, what happens?
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Question 126 of 191
126. Question
Driving under the influence of a drug which makes you drive unsafely is?
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Question 127 of 191
127. Question
You wish to turn right from a two-lane street to another two-lane street. Your vehicle is so long that you must swing wide to make the turn, how should you approach the turn?
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Question 128 of 191
128. Question
Some traffic emergencies may require you to leave the road. Which of these is a good thing to remember?
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Question 129 of 191
129. Question
Cargo that can shift should have at least ____ tie-downs?
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Question 130 of 191
130. Question
Which of these statements about cargo loading is true?
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Question 131 of 191
131. Question
If a straight vehicle goes into a front wheel skid, it will?
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Question 132 of 191
132. Question
The most common cause of serious vehicle skids is?
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Question 133 of 191
133. Question
Which of these statements about downshifting is true?
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Question 134 of 191
134. Question
You should avoid driving through deep puddles or flowing water. But if you must, what will keep your brakes working?
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Question 135 of 191
135. Question
Which of these statements about backing a heavy vehicle is true?
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Question 136 of 191
136. Question
High beams should?
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Question 137 of 191
137. Question
Stab braking —
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Question 138 of 191
138. Question
For an average driver driving 55 mph on dry pavement, it will take about ____ to bring the vehicle to a stop.
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Question 139 of 191
139. Question
The parking brake should be tested while the vehicle is?
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Question 140 of 191
140. Question
Controlled braking —
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Question 141 of 191
141. Question
The vehicle in front of you has a red triangle with an orange center on the rear. What does this mean?
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Question 142 of 191
142. Question
You must park on the side of a level, straight, two-lane road. Where should you place the three reflective triangles?
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Question 143 of 191
143. Question
The key principal in balancing cargo weight is to keep the load?
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Question 144 of 191
144. Question
When should you check your load?
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Question 145 of 191
145. Question
If a vehicle is loaded with very little weight on the front axle, what can happen?
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Question 146 of 191
146. Question
Cargo inspections
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Question 147 of 191
147. Question
How do you correct a rear-wheel acceleration skid?
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Question 148 of 191
148. Question
Which of these statements about double-clutching and shifting is true?
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Question 149 of 191
149. Question
Which of these statements about tires and hot weather driving are true?
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Question 150 of 191
150. Question
What should you do if your vehicle hydroplanes?
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Question 151 of 191
151. Question
You must take a very quick stop. You should brake so you:
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Question 152 of 191
152. Question
While driving, you see a small (1 foot square) cardboard box ahead in your lane. You should:
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Question 153 of 191
153. Question
Which of these statements about overhead clearance is true?
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Question 154 of 191
154. Question
When you are on top of a hill and know you will be going down a steep grade, which statement is true?
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Question 155 of 191
155. Question
You are driving a vehicle with a light load, traffic is moving at 35 MPH in a 55 MPH zone. The safest speed for your vehicle in this situation is most likely:
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Question 156 of 191
156. Question
What sort of things should you inspect during a trip?
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Question 157 of 191
157. Question
When should you downshift your vehicle?
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Question 158 of 191
158. Question
Which item is a key suspension part?
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Question 159 of 191
159. Question
What factors determine a persons blood alcohol content?
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Question 160 of 191
160. Question
Perception distance is?
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Question 161 of 191
161. Question
When driving how far ahead should you be looking?
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Question 162 of 191
162. Question
Doubling your speed has what effect on braking distance?
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Question 163 of 191
163. Question
Hazardous material placards are:
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Question 164 of 191
164. Question
Which of these requires the greater stopping distance?
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Question 165 of 191
165. Question
You are convicted of speeding in your personal vehicle and issued a ticket. What are your responsibilities to your employer?
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Question 166 of 191
166. Question
Which of the following emergency items are you required to have available?
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Question 167 of 191
167. Question
Under inflated tires can cause a fire.
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Question 168 of 191
168. Question
When backing and turning, you should:
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Question 169 of 191
169. Question
Which of the following is a basic step to take after an accident?
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Question 170 of 191
170. Question
Which of the following is not a CDL skills examination?
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Question 171 of 191
171. Question
What is the minimum number of tie-downs required for a small load?
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Question 172 of 191
172. Question
How many warning triangles are you required to carry in your vehicle?
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Question 173 of 191
173. Question
The acronym “GVW” means?
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Question 174 of 191
174. Question
When inspecting brakes components you should pay special attention to:
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Question 175 of 191
175. Question
Battery fluid is classified as a:
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Question 176 of 191
176. Question
When using a helper to back up, what is the most important hand signal?
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Question 177 of 191
177. Question
What is the minimum tread depth for a front tire?
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Question 178 of 191
178. Question
Your vehicle breaks down on an undivided highway, there are no hills or curves within a mile in either direction. Where should you place the warning triangles?
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Question 179 of 191
179. Question
A fire extinguisher with a C rating is designed for what type of fires?
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Question 180 of 191
180. Question
When transporting cargo, how often should you check your load?
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Question 181 of 191
181. Question
You should always aim the fire extinguisher at the top of the flames so that the chemicals will fall on to the fire?
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Question 182 of 191
182. Question
How many classes of hazardous materials are there?
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Question 183 of 191
183. Question
When should a driver consider turning off a retarder system on the vehicle?
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Question 184 of 191
184. Question
When caring for an injured person, you should:
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Question 185 of 191
185. Question
Should your vehicle catch fire, it is best to pull into a service station because they have plenty of fire fight equipment?
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Question 186 of 191
186. Question
When loading the cargo compartment of a vehicle it is best to place heavy items on the bottom and the light items on top.
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Question 187 of 191
187. Question
What are the three rules for using your turn signals?
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Question 188 of 191
188. Question
Which item is a key steering system component?
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Question 189 of 191
189. Question
Blocking is used to keep the cargo from shifting.
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Question 190 of 191
190. Question
When fighting an engine compartment fire, it is best to lift the hood in order to target the fire’s base.
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Question 191 of 191
191. Question
Reaction time or distance is?