Consider the following statements related to the Bullet Train technology 1 The Bullet Train ha...........

Science Affairs Physics

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Consider the following statements related to the Bullet Train technology:

1. The Bullet Train has streamlined body to cause little wind resistance.

2. The passenger compartments ride on top of flatcars for minimising vibrations.

Which of the above statements is/are correct?

1 Only

2 Only

Both

None

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Explanation:

Features of high speed train
• High speed
• Shape -Aero dynamics -pointed nose
• Material -aluminum body
• Continuous welded tracks –less maintenance, less vibration Environment
• Run on electric power-3 times efficient than cars and 6 times than planes . (Catenary,
pantograph)
• Regenerative braking system –unlike traditional braking (converts mechanical energy to heat energy), it converts mechanical energy to electrical energy -can be used for other purpose Safety
• In cab signalling -automatic application of brakes if proper action is not taken by driver.
• Non ballasted slab track (track stability, less maintenance, high load carrying capacity)
Driving technology
• Unlike conventional trains (running on traction motor , where all coaches are pulled by 1 motor ) , this uses electrical multiple units --traction motors are attached to wheels of many coaches Communication
• Global system for mobile communication of railway-international wireless communication standard for railway communication