2(10 points) Which cities are railroad gateways in the USA? .(10 points) What ar

Question

2(10 points) Which cities are railroad gateways in the USA? .(10 points) What are the two elements of train resistance, the force required to move a train? 4. (10 points) What are the two basic types of rail yards? 5. (10 points) Why do trains require less force to move than trucks? 6. (10 points) How is the maximum possible speed for a train determined? 7. (10 points) What are the two primary functions served by rail tracks? 8. (10 points) What are the main components of a rail track system? 9. (10 points) What are the main parts of a turnout? 10. (10 points) What are the differences of a rail crossing, road crossing, and a crossover?

Explanation / Answer

2. New Orleans, Cincinnati, St.Louis, Chicago. These are the railroad gateways cities in the USA.

3. The primary element required for resistance that the train can overcome is friction and one is workdone or movement.

4. they are different types of yards depending on how they are built. commonly used yards are freight yards, coach yards, hump yards, gravity yards, flat yards.

5. The friction in the train is static friction wherein truck the friction is static.

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