A.absorb the shock of wave pressure at the bow B.be placed between the engines and the foundation to absorb the vibration C.transmit the thrust of the engine to the propeller D.transmit the thrust of the propeller to the vessel
A.Increases efficiency B.Increases engine horsepower C.Increases engine life D.Reduces engine horsepower
A.full ahead B.full astern C.half ahead D.slow astern
A.Cylinder head valves B.Ports C.Turbo chargers D.Bleeder valves
A.may jam against the stops B.will not automatically position the boat at the embarkation station C.screw may come out of the sheath D.will chafe against the falls and may cause their failure