What is the benefit of floating a wheelset in the bogie?
A: It allows the wheelsets radial movement
B: It fixes the wheelset rigidly.
C: It allows the train to travel faster.
D: It reduces vibrations from the wheel/rail interface.
A: It allows the wheelsets radial movement
B: It fixes the wheelset rigidly.
C: It allows the train to travel faster.
D: It reduces vibrations from the wheel/rail interface.
举一反三
- What is the benefit of floating a wheelset in the bogie A: it allows the wheelsets radial movement B: it fixes thewheelsetrigidly C: it allows the train to travelfaste D: it reduces vibrations from thewheel/rail interface
- The apparatus that reduces friction from the wheel/rail interface to the car gives passengers in a car a smoother ride.
- wheel/rail interface
- The airplane took off soon. It was like being on an old train ______ from side to side and going faster and faster.
- Which statements about inheritance are true？（） A: In Java programming language only allows single inheritance. B: In Java programming language allows a class to implement only one interface. C: In Java programming language a class cannot extend a class and implement a interface together. D: In Java programming language single inheritance makes code more reliable.