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Fuel tank capacity油箱容积
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考题
阅读以下说明和Java程序，将应填入(n)处的字句写在对应栏内。[说明]下面程序是为汽车市场编制的一个程序的一部分。其中automobile是基类。[Java程序]class MainJava{public static void main(String agr[]){car sedan=new car();sedan.initialize(24，20.0，4);System.out.println ("The sedan can travel"+ (1) +"miles.\n");System.out.println ("The sedan has"+ (2) +"doors.\n");}}class automobile{protected int miles_per_gallon; //汽车每加仑行驶公里数(3) double fuel_capacity; //油箱容积public void initialize(int in_mpg,int in_fuel){miles_per_galion=in_mpg;fuel_capacity=in_fuel;}public int get_mpg(){//提供一辆特定汽车每加仑公里数return miles_per_gallon;}public double get_fuel(){//提供油箱容积return fuel_capacity;}public double travel_distance(){//计算满油箱情况下的可行驶总公里数return (4);}}class car (5) {private int Total_doors;public void initialize(int in_mpg,double in_fuel,int doors){Total_doors=doors;miles_per_gallon=in_mpg;fuel_capacity=in_fuel;}public int doors(){return Total_doors;}}
考题
阅读以下说明和C++程序，将应填入(n)处的字句写在对应栏内。[说明]下面程序是为汽车市场编制的一个程序的一部分。其中automobile是基类。[C++程序]//Auto.hifndef AUTO_Hdefine AUTO_Hclass automobile{(1):int miles_per_gallon; //汽车每加仑行驶公里数float fuel_capacity； //油箱容积public:void initialize(int in_mpg,int in_fuel);int get_mpg(void);float get_fuel(void);float travel_distance(void);}endif//Auto.cppinclude"auto.h"void automobile::initialize(int in_mpg,float in fuel){miles_per_gallon=in_mpg;fuel_capacity=in_fuel;)int automobile::get_mpg() //提供一辆特定汽车每加仑公里数{return miles per_gallon;}float automobile::get_fuel() //提供油箱容积{return fuel_capacity;}float automobile::travel_distance(){return (2) }//car.hifndef CAR_Hdefine CAR_Hinclude"auto.h"class car: (3){int Total_doors;public:void initialize(int in_mpg,float in_fuel,int doors=4);int doors(void);};endif//car.cppinclude"car.h"void car::initialize(int in_mpg,float in_fuel,int door){Total_doors=door;miles_per_galion=in_mpg;fuel_capacity=in_fuel;}int car::doors(void){return Total doors;}//Allauto.cppincludeinclude"auto.h"include"car.h"int main(){car sedan;sedan.initialize(24，20.0，4);tout＜＜"The sedan can travel"＜＜ (4) ＜＜"miles.\n";cout＜＜"The sedan has"＜＜ (5) ＜＜"doors.\n";return 0;}
考题
During UMS rounds, a duty engineer notices that the fuel oil overflow observation glass is full of oil. Should he ____.A.Stop all F.O. transfers immediately, and inform the chief engineer.B.Make a sounding of the F.O. overflow tank and decide if there is enough capacity to leave it until the following morning.C.Call a motorman and have him sound the F.O. overflow tank periodically during the night.D.start the F.O. purifier
考题
In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.A.secure all sources of fresh air to the tankB.begin transferring the fuel to other tanksC.top off the tank to force out all vaporsD.station someone at the fixed CO2 release controls
考题
An oil tanker with dedicated clean ballast tanks shall have adequate tank capacity dedicated solely to the carriage of ______ as defined.A.clean ballastB.crude oilC.fresh waterD.fuel oil
考题
Gasoline fuel tank vents should terminate ______．A.In the engine compartmentB.In the fuel tank spaceC.Above or outside the hullD.At the most convenient location
考题
单选题If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.A
close the static leg filling valveB
close the overflow tank falling valveC
reduce the fuel oil pumping rateD
stop the fuel oil pumping operation
考题
单选题A dirty fuel oil filter element can be detected by （）A
Visual inspection of the elementB
the pressure drop cross the filterC
high fuel oil tank temperatureD
increase flow rate from the filter
考题
单选题Fuel oil tank vents are fitted with a screen which will stop（）.A
oil from flowing out of the tank ventB
air from entering the tank ventC
vapors from leaving the tank ventD
flames on deck from entering the tank vent
考题
单选题Before being used the fuel service tank should be drained of （）.A
soda solutionB
mechanical impuritiesC
ballastD
water and residuals
考题
单选题Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect （）.A
condensation in the fuel tankB
a crack in the hull portion of the fuel tankC
a load of bad fuelD
contamination from the saltwater flushing system
考题
单选题To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）A
bilge tankB
sludge tankC
overflow tankD
oil collecting tank
考题
单选题Fire protection regulations for towing vessels require any fuel line subject to internal head pressure from fuel in the tank to（）.A
be fitted with a positive fuel shut-off valve located at the tankB
have a shut-off valve at the top of the tankC
have a gate valve easily accessible in the space where the tank is locatedD
have a drain cock at the lowest point in the fuel line
考题
单选题You may improve a vessels stability by （）.A
keeping the fuel tanks topped offB
increasing the free surface effectC
keeping the fuel tanks at least half MID
keeping at least one fuel tank empty for slops
考题
单选题The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.A
secure all openings to the tankB
discharge an initial charge of CO2 with a hand portable extinguisherC
direct a fire hose into the tank and energize the fire mainD
spray the tank boundaries with a fire hose to promote cooling
考题
单选题The （） or balance tank collects the re-circulated fuel oil.A
bufferB
sumpC
bilgeD
overflowing
考题
单选题If the low level alarm of the diesel fuel day tank fails to function, you can expect trouble from（）A
overheated injection pumpsB
water condensed in the cylindersC
fuel dilution of the lube oilD
air in the fuel system
考题
单选题Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）A
double bottom fuel oil tank temperatureB
heater supply steam flowC
pressure of the fuel supplied to the burnersD
attemperator steam flow in the heater discharge circuit
考题
单选题A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity，what trim should the vessel have?（）A
Down by the bowB
Down by the sternC
Down by either the bow or sternD
In level trim
考题
单选题If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may need to be （）A
gas freedB
inertedC
filled with waterD
all of the above as necessary
考题
单选题Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by （）.A
sounding the tankB
waiting for the vessel to listC
examining tank boundariesD
checking fuel oil strainers
考题
单选题Permitting a diesel engine fuel oil day tank to run dry can cause （）A
overheated injection pumpsB
water condensation in the cylindersC
fuel dilution of the lube oilD
air in the fuel system
考题
单选题The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the （）.A
quantity of fuel to be receivedB
flash point of the fuel as it is receivedC
fuel temperature as it is receivedD
viscosity of the fuel being received
考题
单选题Gasoline fuel tank vents should terminate（）.A
in the engine compartmentB
in the fuel tank spaceC
above or outside the hullD
at the most convenient location
考题
单选题Fuel oil transfer systems used onboard diesel propelled vessels are required to have （）.A
two fuel oil transfer pumps provided where one is to be independent of the main engineB
two fuel oil transfer pumps, with a combined capacity exceeding the maximum consumption of the main engineC
engine driven transfer pumps and only used in constant speed applicationsD
the capacity of the engine driven pump exceed the consumption rate of the engine to which it is attached
考题
单选题In fighting a fire in a fuel tank, the FIRST action you should attempt is to （）.A
secure all sources of fresh air to the tankB
begin transferring the fuel to other tanksC
top off the tank to force out all vaporsD
station someone at the fixed CO2 release controls
考题
单选题A diesel engine burns （） a gasoline engine of the same capacity in the same period of time.A
as much fuel asB
less fuel thanC
less fuel asD
more fuel than
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