更多"The pumps employed on board ship ca"的相关试题:
[单项选择]The line-throwing appliance provided on board ship is（）.
A. for the saving of life
B. for fire-fighting
C. for mooring purpose
D. for towing purpose
[单项选择]Compressed air is used on board ship （）.
A. for starting diesel engines
B. in pneumatic control system
C. in pneumatic tools
D. All the above are true
[单项选择]Compressed air is used on board ship for all the following purposes except （）.
A. starting diesel engines
B. pneumatic control systems
C. pneumatic tools
D. supercharging air
[单项选择]（）on board ship are used to control and distribute the electrical energy generated by generators.
A. Governors
B. Alternators
C. Blackboards
D. Switchboards
[单项选择]Your assigned emergency station aboard ship can be found on the ship’s （）
A. station bill
B. clearance papers
C. certificate of inspection
D. permit to proceed
[单项选择]（）, so they are widely used on board ship nowadays.
A. Diesel engines have more advantages in comparison with gasoline engines
B. Diesel engines have more advantages in comparison to gasoline engines
C. Gasoline engines have more advantages in comparison with diesel engines
D. Gasoline engines have more advantages in comparison to diesel engines
[单项选择]By using（）system a ship can send a distress message and know with certainty it will be received.
A. COSPAS-SARSAT
B. SATELLITE
C. terrestrial radio
D. INMARSAT
[单项选择]Structural stress on a ship can be reduced by（）.
A. lessening the effect of environmental forces
B. even and symmetrical variable loading
C. local concentration of heavy consumables
D. increasing the metacentric height
[单项选择]A ship can request completion of a （） when the ship is at a higher security level than the port facility or another ship it is interfacing with.
A. DOC
B. DOS
C. SSP
D. SMC
[单项选择]The ship can leave the port（）the joint inspection.
A. before
B. after
C. at
D. from
[单项选择]The release of the attached ship can（）only by provision of bail，usually a very large sum.
A. be secured
B. be sincere
C. be simulated
D. be signature
[单项选择]A large oil fire on the deck of a ship can be fought most effectively with（）.
A. dry chemical
B. foam
C. high-velocity fog
D. Water (cartridge-operated)
[单项选择]Since accumulations of H2S gas on a ship can be dangerous to personnel，it is important to know that H2S gas is（）.
A. lighter than air
B. heavier than air
C. a yellow gas that is easily recognized
D. mildly toxic
[单项选择]Each ship shall carry on board a ship security plan approved by （）
A. the chief engineer officer
B. the master of the ship
C. the manager of the company
D. the Administration
[单项选择]Centrifugal pumps, however, can be designed with a number of impellers （） to attain a large amount of liquid.
A. in series
B. in parallel
C. assembled
D. together
[单项选择]Among the main propulsion units on board the ship with the same capacity, the lightest one is（）.
A. steam engine
B. steam turbine
C. gas turbine
D. diesel engine
[单项选择]Centrifugal pumps can be designed with a number of impellers （） to attain a high final delivery pressure.
A. in series
B. in parallel
C. either A or B
D. None of the above is tree
[单项选择]Bottom stowage on board a ship is usually given to（）.
A. dry cargoes
B. heavy cargoes
C. delicate cargoes
D. the cargoes bound for the first port of call
