Yes, trains are still being used today in large quantities.
Coal is still used in many steam engines today. Coal is not used on diesel trains or electric trains simply because it is not fuel for them. Electric trains and diesel trains are the most common trains in use, and not trains capable of using coal, because they are more efficent and much less costly to maintain.
There are a few reasons why Paris still has old trains. Paris still has old trains today because it makes Paris look romantic and for historic reasons.
yes, of course.
yes there are trains here today!
trains x
Yes
There are levers used on trains, but how many and what type will depend on what type of train and what types of cars on in the train. Steam trains used many more levers than typical trains today. This is because there are other mechanical, elctrical, and electronic devices to assist today.
Not in regular service, though there may still be a few steam-hauled ones in China. There are plenty of heritage services, but these are specials, not regular transport runs.
yes it is still used today
Yes all trains still utilize the same system that was used a 100 years ago, major advancements have been made with electro-pneumatic brake systems but the general system is the same.
the tank is still used today. For example the M1 Abrams is still used
long houses are not still used today