更多"[单选题] When the density of the water"的相关试题:
[单选题] When you enter shallow water，you would expect your rudder response to ______.
A. be sluggish and your speed to decrease
B. be sluggish and your speed to increase
C. improve and your speed to decrease
D. improve and your speed to increase
[单选题] When turning a vessel in shallow water，which statement is TRUE ________.
A. The rate of turn is increased
B. The rate of turn is decreased
C. The turning diameter increases
D. The turning diameter remains the same
[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] TRS的频域密度(density)为
A.0.5
B.1
C.3
D.以上都对
[单选题]A high oil density will position the cylindrical interfaceto the bowl periphery than a low density of the oil.
A.far
B.far away
C.closer
D.nearer
[单选题] How to determine the density of the slop after tank washing?
A. By use of an interferometer
B. By use of a hydrometer
C. By use of an interface
D. By use of a thermometer
[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] TRS的频域密度(density)为(C)
A.0.5
B.1
C.3
D.0.5或1或3
[单选题]当机轮温度过高时有什么警告？（ ）
When the wheel when the temperature is too high to have what warning?
A.ECAM，主警戒，声音，灯光
ECAM, the main warning, sound, lights
B.ECAM，主警戒，声音
ECAM, the main warning, sound
C.主警戒，声音，灯光
the main warning, sound, lights
[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]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]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]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] 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] 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
[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]There are many ways to separate water from oil,but___is hardly used for this purpose.
A.settling
B.centrifuge
C.filtering
D.heating
