更多"（）, so they are widely used on boar"的相关试题:
[单项选择]When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）
A. 64 cubic feet
B. 35 cubic feet
C. 100 gallons
D. 500 liters
[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]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]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]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
[单项选择]（）means the person on board the ship, accountable to the master, designated by the Company as responsible for the security of the ship, including implementation and maintenance of the ship security plan and for liaison with the company security officer and port facility security officers.
A. Ship security officer
B. Company security officer
C. Port facility security officer
D. PSC officer
[单项选择]Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
A. coast to aircraft operational communications
B. aircraft to ship operational communications
C. lock & bridge communications
D. aircraft to ship navigational communications
[单项选择]The direct acting mechanical governor used with some small diesel engines, controls fuel flow to the engine by（）
A. governor flyweight action on a pilot valve which controls fuel injection
B. governor flyweight motion acting on fuel controls through suitable linkage
C. positioning a butterfly valve in the fuel delivery system positioning
D. a servomotor piston attached to the fuel controls
[单项选择]A carling is used aboard ship（）.
A. as a connecting strap between the butted ends of plating
B. to stiffen areas under points of great stress between beams
C. to prevent the anchor from fouling when the brake is released
D. to provide an extra heavy fitting in a heavy lift cargo rig
[单项选择]Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.
A. used for electrical fires only
B. the smallest
C. the most accessible
D. the most effective
[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]The pumps employed on board ship can be divided into two main categories ie（） pumps and centrifugal pumps.
A. gear
B. nonpositive displacement
C. positive displacement
D. rotary
[单项选择]If passengers are on board when an abandon ship drill is carried out，they should（）.
A. take part
B. watch
C. go to their quarters
D. stay out of the way and do what they want
[单项选择]The davit aboard a ship is used to（）.
A. lower personnel down by a transfer basket
B. lower food and water to personnel in a life raft
C. lower the life raft down with its full complement
D. move equipment around the deck
[单项选择]（）is used to moor the ship to the seabed to keep it sationary.
A. The bulbous bow
B. The anchor
C. The bow thruster
D. The propeller
[单项选择]Each ship shall carry on board a shop security plan approved by （）
A. the chief engineer officer
B. the master of the ship
C. the manager of the company
D. the Administration
