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The passenger endorsement applies to drivers who want to drive a bus in any Class A, B, or C CDL. Applicants must pass a special knowledge test, and must pass skills tests in a passenger vehicle. The Iowa CDL passenger test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The IA passenger test covers the following sections of the Iowa CDL Manual: Driving Safely, Transporting Passengers, Vehicle Inspection Test, Basic Control Skills Test and Road Test. Take this IA practice test now to prepare for the actual passenger test!
1. To avoid becoming a distracted driver you should:
not engage in complex conversations with others.
adjust all vehicle controls and mirrors while driving.
not turn off all communication devices.
2. Most hydraulic brake failures occur for one of two reasons, one of which is:
loss of hydraulic pressure.
excessive downshifting.
relying too much on the engine braking effect.
3. Rules about drinking, smoking or electronic devices should be:
mentioned at the start of the trip.
mentioned to each passenger boarding.
mentioned when there is a violation.
4. When you discharge a drunk or disruptive rider, you must:
put the rider off the bus as soon as possible.
go back to the previous stop and make sure it is a well-lit area.
ensure the rider's safety.
5. To avoid a hazard:
stopping is always the best thing to do.
driving on the shoulder of the road is always the best thing to do.
steering away from what is ahead may be the best thing to do.
6. Properly adjusted outside left and right side flat mirrors should allow the driver to see:
the rear tires touching the ground.
the front tires touching the ground.
at least 1 traffic lane on either side of the bus.
7. When driving on a slippery surface, you should do all of the following except:
adjust braking to conditions.
keep a shorter following distance.
not pass slower vehicles unless necessary.
8. When going down grades, you should:
shift up.
put the transmission in Neutral.
downshift to a lower gear.
9. When arriving at the destination or intermediate stops, the driver should:
remind riders to take their belongings with them if they get off the bus.
make the necessary announcements as riders are getting off the bus.
announce the outside temperature.
10. The safety valve is usually set to open at:
200 psi.
150 psi.
100 psi.
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Passenger Test Iowa

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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