Mechanic Tests - Hydraulics Final

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Page 1 of 11 (0%)
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1) The difference between an unbalance vane pump and a balanced vane pump is the:
2) An open center hydraulic system can best be described as one in which:
3) A four connection (four way) spool valve is used in conjunction with a:
4) In the illustration below, what type of hydraulic system is being illustrated?

q4

5) A hydraulic system seems to be functioning normally in all other circuits within the system. However, a noticeably decreased free load hydraulic motor speed would most likely be caused by worn pump housing. What other possible cause must be checked?