更多"[单选题]5The closed water cooling syst"的相关试题:
[单选题]Oil water separators are used to ensure that ships do not discharge oil when bilge water,or oily water from oil tanks or any oil contaminated space.
A.pumped out
B.pumping out
C.being pumped out
D.pumps out
[单选题]Sea water is rarely used for direct cooling within the equipment it is rather corrosive.
A.because of
B.due to
C.owing to
D.in that
[单选题] 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
[单选题] In waters where the cardinal system is used you would expect to find danger ______.
A. Lying to the south of an eastern quadrant buoy
B. Lying to the south of a northern quadrant buoy
C. Lying to the east of an eastern quadrant buoy
D. Beneath or directly adjacent to the buoy
[单选题]The fuel system is used to to the combustion chamber in the cylinder.
A.discharge the bilge water
B.transfer the fuel oil
C.pump the cylinder oil
D.mix water and oil
[单选题]The water cooling system is generally___pipes,pumps,valves and some other devices.
A.made up of
B.making up of
C.made up
D.making up
[单选题]The cooling system also makes it possible to warm up the main engine by means of the cooling water from
A.the condenser
B.the turbocharger
C.the auxiliary engine
D.the boiler
[单选题] The lateral system is used in_______.
A.restricted water such as shoals, reefs or wrecks
B.restricted water such as buoyed channels
C.open waters such as shonls,reefs or wrecks
D.open waters such as buoyed channels
[单选题]水防冰系统是如何控制的:The water anti-ice system is controlled by ( )
A.自动 computer automatically
B.用驾驶舱的按钮电门 control switch in cockpit
C.用乘务员面板上的按钮电门 control switch on attendant panel
[单选题] What is an advantage of water fog or water spray over a straight stream of water in fighting an oil fire ________．
A.It has a smothering effect on the fire
B.It requires less water to remove the same amount of heat
C.It gives more protection to fire fighting personnel
D.All of the above
[单选题] _______ water is the water in the hold to keep the ship’s stability.
A. Bilge
B. Ballast
C. Slop
D. Sanitary
[单选题]Which the system that SELCAL system must through it realize SELCAL function？选择呼叫系统必须通过哪个系统才能实现其呼叫（ ）
A.VHF or VOR systems.VHF或VOR系统
B.HF or ADF systems。HF或ADF系统
C.HF or VHF systems.HF或VHF系统
[单选题]After the separation of water and impurities in an oil separator,fuel oil is generally stored in
A.the double bottom tank
B.the daily service tank
C.the settling tank
D.the bilge tank
[单选题] Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount it can hold at ______.
A. a specific barometric pressure
B. a specific temperature
C. a specific wind speed
D. any time
[单选题]The cooling water is supplied to the cylinder liner cause trouble.
A.so as not to
B.not so as to
C.so not as to
D.so as to not
[单选题]Separation of impurities and water from the oil takes place between.in the oil separator.
A.the discs
B.the interface
C.the sludge space
D.the outer edge of the top disc
[单选题] In coastal water GPS positions should be checked by ______?
A. Visual observations
B. Radar observations
C. Buoys and seamarks
D. Visual and radar observations
[单选题] We test the water spray fire protection system of fire-protected lifeboats every 3 months, ___the abandon ship drill.
A. combining with
B. combined with
C. combining to
D. combined to
[单选题] The object of plugging holes below the waterline on a ship should be to ______．
A.eliminate all water entering the hole
B.only plug holes in machinery or other vital spaces
C.reduce the entry of water as much as possible
D.plug the largest holes first
