When air becomes trapped in the hydraulic fluid of a steerin

Air trapped in the hydraulic fluid of a steering system may be indicated by

A.the steering pumps overspeeding

B.a jammed open relief valve

C.a constantly occurring improper rudder response

D.excessive ram pressure

The follow-up gear on an electro-hydraulic steering gear

A.relieves excessive fluid pressure

B.takes the pump off stroke when the desired rudder angle is attained

C.allows for rudder movement faster than the movement of the ship&39;s

D.returns the rudder to amidships when the wheel is release

Overheating of the hydraulic fluid in an electro-hydraulic anchor windlass can result from a/an( ).

A.overload on the pump motor

B.low fluid level in the reservoir

C.low fluid viscosity around the shaft seal

D.high oil level in the sump

The dew point is reached when the ______.

A.temperature of the air equals the temperature of the seawater

B.atmospheric pressure is 14.7 lbs. per square inch

C.relative humidity reaches 50%

D.air becomes saturated with water vapor

Before doing any work on a hydraulic system equipped with accumulators, you should

A.drain the accumulators and purge with oxygen

B.bleed off all stored energy from the accumulators completely

C.charge the accumulators to prevent system energy loss

D.pump the hydraulic fluid into the accumulators to prevent fluid loss

Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and ______.

A.fluid friction

B.fluid turbulence

C.component misalignment

D.pressure surges

If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to prevent

A.failure of the hydraulic hose

B.excessive flow through the line

C.friction in other areas of the hydraulic system

D.overheating of the hydraulic fluid

A hydraulic accumulator aboard a ship is designed to ______.

A.store fluid under pressure

B.act as a fluid reservoir

C.provide overpressure relief

D.replenish fluid to a system