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PCV CPC Case Study 61

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Sophie, a coach driver with extensive experience in older vehicles, has recently started operating modern buses equipped with auxiliary air systems and power-assisted steering (PAS). She needs to adapt to the new systems, understanding how they function differently from traditional mechanisms. Specifically, Sophie must be aware of how PAS eases steering effort and the implications of PAS faults. She also needs to learn about the interlinking of systems, like how air-operated accelerators might be disabled when doors are open.

There are 7 multiple choice questions in this PCV CPC case study. Read this carefully and ensure you fully understand the scenario before starting the test. You need to score 6 out of 7 to pass.

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1. What steering change does Sophie notice in modern buses? Give one answer
A Absence of any steering assistance
B Presence of power-assisted steering
C Steering operated by voice commands
D Use of manual steering only
Correct Answer: B Presence of power-assisted steering
Explanation: Modern buses feature power-assisted steering, unlike many older vehicles.
2. How does PAS impact steering effort, as Sophie learns? Give one answer
A It decreases the effort needed
B It has no effect on effort
C It increases the effort needed
D It only works at high speeds
Correct Answer: A It decreases the effort needed
Explanation: PAS decreases the effort required to turn the steering wheel.
3. What happens if Sophie's PAS system fails while driving? Give one answer
A Steering requires much more effort
B The steering locks up
C The vehicle steers itself
D The vehicle stops automatically
Correct Answer: A Steering requires much more effort
Explanation: If PAS fails, steering the vehicle requires much more effort.
4. What occurs to air-operated accelerators with open doors, as Sophie understands? Give one answer
A They become more efficient
B They may be disabled
C They operate faster
D They switch to manual operation
Correct Answer: B They may be disabled
Explanation: Air-operated accelerators may be disabled when doors open for safety.
5. What driving technique is necessary for historic buses, as Sophie knows? Give one answer
A Constant acceleration
B Faster driving
C No steering adjustments
D Slower driving
Correct Answer: D Slower driving
Explanation: Driving more slowly around corners is necessary in historic buses.
6. What assists drivers in older vehicles without PAS, as Sophie discovers? Give one answer
A A gearing system
B Automatic pilot
C Electronic power steering
D GPS navigation
Correct Answer: A A gearing system
Explanation: A gearing system helps drivers steer in older vehicles without PAS.
7. When does Sophie find PAS to be most effective? Give one answer
A At specific speeds
B Only when the vehicle is stationary
C With the engine off
D With the engine running
Correct Answer: D With the engine running
Explanation: PAS operates effectively when the vehicle's engine is running.