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CDL Passenger (P) Endorsement Test

Vehicle inspection: practice questions

Our CDL Passenger bank has 22 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1

What must be true of the "Emergency Exit" sign on an emergency door?

  1. It must be clearly visible
  2. It may be covered at night
  3. It must flash when the door opens
  4. It must be in two languages
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A. It must be clearly visible — The "Emergency Exit" sign on an emergency door must be clearly visible (CDL Manual 4.1.3)

Question 2

Why should you always check the bus interior before driving?

  1. The fare box must be counted
  2. Mechanics clean and inspect it for you every night
  3. The heater needs to warm up
  4. People sometimes damage unattended buses
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D. People sometimes damage unattended buses — People sometimes damage unattended buses. Always check the interior of the bus before driving to ensure rider safety (CDL Manual 4.1.3)

Question 3

What fire extinguisher must a bus that does not carry placarded hazmat have?

  1. None at all, as long as the bus has a smoke alarm
  2. One rated 5 B:C or more, or two rated 4 B:C or more
  3. One rated 1 A or more
  4. One rated 10 B:C, always
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B. One rated 5 B:C or more, or two rated 4 B:C or more — 49 CFR 393.95(a)(1)(ii): a power unit not used for hazmat needs one fire extinguisher rated 5 B:C or more, or two rated 4 B:C or more

Question 4

The driver's seat has a seat belt. What do federal rules require?

  1. Only on highways
  2. Only when there are no passengers aboard
  3. The driver must wear it whenever driving
  4. Only at night
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C. The driver must wear it whenever driving — 49 CFR 392.16(a): no driver shall operate a CMV that has a seat belt at the driver's seat unless properly restrained by it

Question 5

When must the air hose couplings be checked as part of the service brakes on a bus?

  1. When the bus has a trailer or semitrailer
  2. Only on city transit buses
  3. Only in winter
  4. Never on buses
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A. When the bus has a trailer or semitrailer — Service brakes, including air hose couplings (if your bus has a trailer or semitrailer) (CDL Manual 4.1.1)

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