Answer the following problems in detail.
problem 1) How do you categorize special purpose vehicle?
problem 2) describe the function of dumper with complete description.
problem 3) describe why lubrication is essential?
problem 4) What are articulated vehicles?
problem 5) What do you mean by PTO shaft?
problem 6) What is a track type special purpose vehicle?
problem 7) Why shovels are known as earth moving machinery?
problem 8) describe the use of hydraulic system in tractor?
problem 9) What do you mean by hydraulic control circuit?
problem 10) describe the function of draw bar in detail.