更多"For the deepest water when rounding"的相关试题:
[单项选择]A centrifugal pump may fail to deliver water when first started if the （）.
A. water seal pipe is plugged
B. pump is not primed
C. seal ring is improperly located
D. impeller is flooded
[单项选择]If you have to jump in the water when abandoning a vessel，your legs should be（）.
A. spread apart as far as possible
B. held as tightly against your chest as possible
C. in a kneeling position
D. extended straight down and crossed at the ankles
[单项选择]When distilling salt water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.
A. to cut down the amount of cooling water needed
B. to prevent an excess amount of cooling water from being discharged to the bilges
C. to supply hot water to the evaporator for more economical operation
D. None of the above is tree
[单项选择]When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.
A. to decrease scale formation
B. for better cooling effect
C. for more economical purpose
D. to raise vacuum
[单项选择]If in doubt as to the true water level when a boiler is being oil-fired, you should （）.
A. take no measures
B. extinguish the fire as soon as possible
C. feed water to the boiler
D. open the blow down valve
[单项选择]When a tornado moves over the water from land it is called a（）.
A. Tornado
B. Waterspout
C. Hurricane
D. Cyclone
[单项选择]When discharging bilge water, which criteria must be observed?（）
A. The requirement for the oil content of bilge water discharged is 15 ppm
B. No discharge in sensitive waters
C. Any discharge in sensitive waters
D. International, national or local requirements have to be observed
[单项选择]When oil is accidentally discharged into the water，what should you do after reporting the discharge（）.
A. Contain the oil and remove as much of it as possible from the water
B. Throw chemical agents on the water to disperse the oil
C. Throw sand on the water to sink the oil
D. Obtain your permit from the Corps of Engineers
[单项选择]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and （）.
A. slightly acidic
B. slightly alkaline
C. no salty
D. slightly bitter
[单项选择]When oily water separator is operating, which measure （） is wrong.
A. pay attention to operating parameters
B. renew and clean separating units in time
C. check oil level in separator to prevent overload
D. check separating effect, if it is bad, flush with large capacity water pump
[单项选择]If you wear extra clothing when entering the water after abandoning ship it will（）.
A. weigh you down
B. preserve body heat
C. reduce your body heat
D. make it more difficult to breathe
[单项选择]When collecting condensation for drinking water，（）.
A. a sponge used to mop up and store condensation must be kept salt free
B. only condensation on the bottom of the canopy should be collected
C. it should be strained through a finely woven cloth
D. chlorine tablets should be used to make it drinkable
[单项选择]When started, a complete oily water separating unit is first filled （）The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.
A. with dirty water
B. with clean water
C. by oily water
D. by mixed water
[单项选择]When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）
A. igniting boiler
B. releasing air in sea water system
C. starting generator
D. cut off shore power
[单项选择]When abandoning ship and jumping into the water from a substantial height without a life jacket，you should（）.
A. dive head first，using your hands to break the surface of the water
B. hold your arms firmly at your sides and jump feet first
C. jump feet first，covering your nose and mouth with one hand and grasping the opposing upper arm with the other
D. jump feet first，holding your knees to your chest
[单项选择]When jumping into water upon which there is an oil-fire，you should（）.
A. break the water surface with your hands when diving head-first
B. use your hands to hold your knees to your chest
C. cover your eyes with one hand while pinching your nose shut and covering your mouth with the other
D. enter the water at the bow or stern on the windward side of the vessel
[单项选择]The water level in the gauge glass when a boiler is operating is （） when the boiler is shut down.
A. lower than
B. higher than
C. below
D. equal to
[单项选择]When you notice oil on the water near your vessel while taking on fuel, you should FIRST （）.
A. stop loading
B. notify the senior deck officer
C. notify the terminal superintendent
D. determine whether your vessel is the source
