• 2021-04-14
    Hydraulic reservoir is used to reserve enough fuel for all conditions of operation.
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    • 0

      In structure, all hydraulic control valves consist of______ , ______ (spool, cone or ball) and ______ used to control the valve core.

    • 1

      What are three main tools of monetary policy? ( ) A: Open market operation B: Reserve requirements C: Discount policy D: All of the above

    • 2

      The operation between two fuel injections is called a ().

    • 3

      Modern autopilots have many advantages, such as fuel economy, ease of operation.

    • 4

      The term OIL as used in the Oil Pollution Regulations means(). A: fuel oil B: sludge C: oil refuse D: All of the above