更多"Compressed air is used on board shi"的相关试题:
[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]Air line lubricators are used in compressed air systems to lubricate （）.
A. the suction and discharge valves
B. tools and equipment served by compressed air
C. air line reducing valves
D. all of the above
[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]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]（）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]Compressed air is supplied by air compression to （）.
A. the air receivers
B. the starting valves
C. the cylinder covers
D. the distributors
[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]If an air compressor is used to supply compressed air to outlets throughout the engine room and on deck of a vessel, the system is known as the （）.
A. combustion control air system
B. supply air system
C. ships service air system
D. low pressure deck air system
[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 compressed air is supplied by （） to the air reservoirs.
A. compressors
B. forced fans
C. ventilators
D. generators
[单项选择]A dirty intercooler on the ship service air compressor will result in （）.
A. decreased compression ratio
B. higher than normal power consumption
C. un-loader malfunction
D. water in the lubricating oil
[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]If an air compressor is used to supply air primarily to the combustion control system and other pneumatic controllers, the entire system is known as the （）.
A. control air system
B. forced draft air system
C. supply air system
D. ships service air system
[单项选择]When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its（）
A. suction stroke
B. compression stroke
C. power stroke
D. exhaust stroke
[单项选择]The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.
A. BDC
B. TDC
C. BBDC
D. ATDC
