A、regulating the oil flow with the six-way valve
B、moving the automatic differential valve
C、moving the receiving tele-motor which regulates the two-way valve
D、varying the angle of a tilting box or eccentricity of a floating ring
更多“Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by （）.”相关的问题
A、varying the pump discharge pressure B、varying the pump return pressure C、rotation of the pump plunger D、rotation of the pump barrel
A、A.back current from the rudder B、B.greater pressure on the right or left side of the propeller，depending on rotation C、C.lower pressure on the right or left side of the propeller，depending on rotation D、D.torque from the velocity and angle at which the surrounding water impinges upon the propeller blades
A、density differences of the water B、rotation of the earth C、direction of primary circulation of air D、all of the above
A、stuffing box diameter B、direction of rotation of the screws C、pitch of the screws D、type of driving gears
A、The sequence of events that produce a power pulse B、One rotation of the engine crankshaft C、One stroke of a piston D、All of the above
A、laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places B、measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution C、rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom D、taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation
A、They are self-priming B、Decreasing the speed of rotation will decrease the discharge pressure C、Opening the discharge valve wider will increase the discharge pressure D、All of the above
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