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PCV CPC Case Study 23

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Brian, a coach driver for long-distance routes, must navigate various road conditions while maintaining passenger safety and comfort. He needs to understand the impact of kinetic energy, especially when dealing with heavy vehicles like buses and coaches. Brian's focus is on smooth, controlled acceleration and braking to ensure passenger safety, reduce fuel consumption, and minimize tyre wear.

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. How does friction play a role in Brian's vehicle operation? Give one answer
A Essential for turning and changing direction
B Increases fuel consumption
C Only relevant in wet conditions
D Unrelated to vehicle movement
Correct Answer: A Essential for turning and changing direction
Explanation: Friction is crucial for turning and changing the vehicle's direction.
2. What occurs when downshifting too quickly in Brian's experience? Give one answer
A Enhanced vehicle stability
B Increased fuel efficiency
C Loss of grip on driven wheels
D Reduced engine wear
Correct Answer: C Loss of grip on driven wheels
Explanation: Changing to a lower gear too quickly can cause loss of grip on the driven wheels.
3. How does gravity affect downhill driving for Brian? Give one answer
A Braking becomes less necessary
B Fuel consumption decreases
C Speed tends to increase
D The vehicle becomes lighter
Correct Answer: C Speed tends to increase
Explanation: On a downhill gradient, gravity causes the vehicle's speed to increase.
4. What is the effect of cornering force in fast bends for Brian? Give one answer
A Enhanced tyre grip
B Increased vehicle stability
C Passengers thrown towards the bend's outside
D Reduced fuel consumption
Correct Answer: C Passengers thrown towards the bend's outside
Explanation: Cornering force can throw passengers towards the outside of a bend.
5. In the context of moving vehicles, what is kinetic energy for Brian? Give one answer
A Energy stored up during travel
B Resistance to motion change
C The force needed to stop the vehicle
D The power generated by the engine
Correct Answer: A Energy stored up during travel
Explanation: Kinetic energy is the energy stored in the vehicle and passengers when travelling.
6. Why is avoiding harsh braking important in a fully laden PCV for Brian? Give one answer
A Enhances passenger comfort
B Increases vehicle speed
C More effort needed to stop
D Reduces risk of tyre bursts
Correct Answer: C More effort needed to stop
Explanation: Harsh braking should be avoided as more effort is needed to stop a fully laden PCV.
7. What impact does sudden acceleration have on Brian's passengers? Give one answer
A Better stability
B Increased comfort
C Reduced travel time
D Thrown backwards towards the rear
Correct Answer: D Thrown backwards towards the rear
Explanation: Sudden acceleration can cause passengers to be thrown backwards.