CDL BUS PRACTICE TEST - DISTRICT OF COLUMBIA
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The school bus endorsement applies to applicants who wish to drive a school bus in any Class A or B CDL. To add an S endorsement to your CLP/CDL, you must pass the District of Columbia school bus test, and you must also pass skills tests in a school bus. The DC CDL bus test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The knowledge test covers the following sections of the District of Columbia CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this DC CDL practice test to prepare for the actual bus test!
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1.
You should NOT use the parking brakes if:
the brakes are cold.
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the brakes are very hot.
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the brakes are too dry.
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All of the above.
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2.
Brakes out of adjustment can cause the other brakes to:
work better.
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last longer.
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overheat and fade.
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apply more braking power.
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3.
During unloading, if the school bus driver cannot account for a student outside the bus, the driver should:
walk through the bus to ensure the students is not on the bus.
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secure the bus, and check around and underneath the bus.
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assume the student got back on the bus.
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All of the above.
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4.
Drivers should adjust their mirrors:
while driving.
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after driving.
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before driving.
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None of the above.
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5.
You should position the overhead inside rearview mirror to see:
all of the students on the bus.
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the heads of the students right behind you.
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the students in the first three rows.
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the rear of the bus.
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6.
Properly adjusted outside left and right side flat mirrors should allow the driver to see:
the front bumper.
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at least 1 traffic lane on either side of the bus.
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the rear tires touching the ground.
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the front tires touching the ground.
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7.
The ABS malfunction lamp on the instrument panel is:
Yellow
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Blue
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Orange
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Red
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8.
Buses must never carry:
radioactive materials.
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hospital supplies.
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small arms ammunition.
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All of the above.
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9.
When students are boarding the school bus, you should do all of the following except:
ask the students to board in pairs.
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wait until students are seated before moving the bus.
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count the number of students at the bus stop and ensure all board the bus.
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monitor all mirrors continuously.
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10.
Which of the following is not a rule for using turn signals?
Signal early
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Signal continuously
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Cancel your signal after you have turned
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Don't signal unless another vehicle is behind you
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DC CDL Bus Test
Number of questions: | 20 |
Correct answers to pass: | 16 |
Passing score: | 80% |
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