Indian Railway
In recent times, the “dynamic brake system” is becoming popular in modern railways. The dynamic brake system coverts Kinetic energy to________:

Electricity
Sound energy
Potential energy
Magnetic energy

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Indian Railway
Which research arm of Indian Railways has launched “New Online Vendor Registration System”?

Research Designs and Standards Organisation
Indian Railway Service of Electrical Engineers
Indian Railway Institute of Signal Engineering and Telecommunication
National Academy of Indian Railways

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