更多"（）can be used to prevent hydraulic "的相关试题:
[单项选择]Overload protection on hydraulic system is provided by the use of （）.
A. stop valves
B. pressure relief valves
C. balance valves
D. regulating speed valves
[单项选择]The part of the shipboard electrical system used to control the distribution of power to the branch circuits, is the （）.
A. bridge control panel
B. disconnect links
C. governor relay box
D. main switchboard
[单项选择]The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products，while simultaneously cooling the inert gas，is called the（）.
A. filter
B. cooler
C. scrubber
D. purifier
[单项选择]What is NOT a securing system used on a containership?（）.
A. Lashing system
B. Stacking system
C. Locking system
D. Buttress system
[单项选择]To prevent the riser system from buckling under its own weight，upward tension is provided by the（）.
A. riser stabilizers
B. guideline tensioning system
C. riser tensioning system
D. guideline stabilizers
[单项选择]Carbon dioxide flooding system is used for extinguishing fires because it reduces the concentration of oxygen in the air to（）.
A. flashing point
B. combustion point
C. auto-ignition point
D. lower explosive limit
[单项选择]Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）
A. Holding the valve open for a long period
B. Increasing the starting air pressure used
C. Opening the stating air valve quickly
D. Reducing the starting air valve size
[单项选择]A separate piston cooling system is used to limit any contamination （） piston cooling glands（） the piston cooling system only.
A. between；to
B. either；or
C. from；to
D. neither；nor
[单项选择]What is used to prevent twisting of a towing bridle?（）
A. A bitt
B. A bulkhead
C. A V-spring
D. A fishplate
[单项选择]The Consol navigation system，used in Russian and Northern European waters，can be used（）.
A. for precise navigation in coastal waters
B. by measuring the phase difference of the dots and dashes
C. as an aid to ocean navigation
D. if the vessel is fitted with a special Consol receiver
[单项选择]A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
A. purge lube oil from the liquid refrigerant
B. recover water purged from the system
C. separate foul gases from the receiver
D. purge non-condensable gases without losing refrigerant
[单项选择]The safest procedure used to rig a guy and preventer is to have the guy（）.
A. and preventer have equal stress
B. stronger than the preventer to minimize the danger of separation
C. take a lighter load than the preventer as a safety factor
D. take the stress in case the preventer parts
[单项选择]In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.
A. fresh water
B. sea water
C. cooling oil
D. emulsion
[单项选择]A permanent chain chasing system is used to（）.
A. clean anchor chain as it's hauled in
B. recover anchors which have lost their buoys
C. run and retrieve anchors
D. prepare anchor chain for inspection
[单项选择]A separate piston cooling system is used （） any contamination from piston cooling glands to the piston cooling system only.
A. to help
B. to limit
C. to protect
D. to remove
[单项选择]The starting air system usually has （） to prevent starting if anything is not in order.
A. drain cocks
B. vent valves
C. counteracts
D. interlocks
