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单选题
Who is in charge of the main engine?（）
A
The chief engineer
B
The second engineer
C
The third engineer
D
The fourth engineer
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更多 “单选题Who is in charge of the main engine?（）A The chief engineerB The second engineerC The third engineerD The fourth engineer” 相关考题
考题
When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be______.A.disengaging the clutch firstly, then stopping the main engineB.stopping the main engine firstly, then disengaging the clutchC.stopping the cooling water pump firstly, then stopping the main engineD.stopping the main engine and disengaging the clutch at the same time
考题
If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measures the engineer on duty should _______.A.stop main engine immediatelyB.ask the captain and the chief engineer's permission for stopping the engineC.inquire the bridge for the situation initiativelyD.stop engine and inform bridge
考题
The person in charge on the vessel and the person in charge at the facility must hold a meeting before starting the transfer of oil．Who must decide to start the transfer ________．A.The person in charge on the vesselB.The person in charge at the facilityC.Both persons in chargeD.The person in charge of either place that is doing the pumping
考题
单选题The main purpose of changing main engine to electronic controlled is not to（）A
control fuel injection time more preciselyB
control fuel injection rate more preciselyC
meet the environmental requirementsD
meet high engine speed requirements
考题
单选题The thrust from the propeller to the hull of the ship is transferred by（）A
tie rodB
thrust blockC
bedplate of main engineD
frame of main engine
考题
单选题If keep the fuel injection of main engine unchanged when ship is fouled, that will causeⅠ.The speed of main engine to be reduced Ⅱ.Ship speed to be reduced Ⅲ.The resistance torque of propeller to be increased Ⅳ.Trim at stern to increase（）A
Ⅰ + ⅡB
Ⅰ ~ ⅢC
Ⅰ ~ ⅣD
Ⅰ + Ⅱ + Ⅳ
考题
单选题While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should （）A
reduce the fuel feeding of main engine of inner propellerB
reduce the fuel feeding of main engine of outer propellerC
firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propellerD
reduce fuel feeding of two engines at the same time
考题
单选题Which of the engine components listed increases air charge density and helps to improve engine operating efficiency?（）A
Intake manifoldB
Water-cooled exhaust systemC
After-coolerD
Exhaust diffuser
考题
单选题In the navigation, cause the shafting over load most easily（）A
stopping the main engine suddenlyB
changing the main engine running direction suddenlyC
the sailing from the shallow water area to the deep water areaD
the ship’s trim too much
考题
单选题If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measuring the engineer on duty should （）A
stop main engine immediatelyB
ask the captain and the chief engineer’s permission for stopping the engineC
initiatively inquire the bridge for the situationD
stop engine and inform bridge
考题
单选题A full-flow 50μm filter is installed ,（） so the injection system components on the main engine are safeguarded.A
as close to the main engine as possibleB
as close to the main pump as possibleC
just before the fuel valveD
just before the booster pump
考题
单选题Charging is the filling of the engine cylinder with a supply or charge of fresh air （） compression.A
to needB
ready forC
want toD
going to be
考题
单选题Why a gearbox is needed in a ship driven by a medium-speed diesel engine?（）A
To reduce the main engine speedB
To increase the main engine speedC
To govern the main engine speedD
To fix the propeller shaft
考题
单选题The burning of the fuel adds more heat to the air charge, causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?（）A
the burningB
the fuelC
the air chargeD
the engine piston
考题
单选题When a ship is fully loaded, it needs to prevent the main engine to be（）.While a ship is fully empty, it needs to prevent the main engine to be（）.A
overspeed；overloadB
overload；overspeedC
over mechanical load；over thermal loadD
over torque；overspeed
考题
单选题While working in the engine room, you hear seven short blasts followed by one long blast on the ships whistle, supplemented by the same signal on the general alarm bellsYou should （）.A
start the fire pump to charge the fire mainB
standby the main console and await orders from the engineer on watchC
go to your fire stationD
go to your lifeboat station
考题
单选题Whether a ship is sailing before the wind or sailing in the rough sea, we must reduce the fuel injection of the main engine.For the former one, it aims to prevent the main engine being（）, while for the later one, it aims to prevent the main engine being（）.A
overspeed；overloadB
overload；overspeedC
over torque；overspeedD
low mechanical efficiency；overload
考题
单选题Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）.A
Use the C02 system and evacuate the engine roomB
Use the fire main system and evacuate the engine roomC
Evacuate the engine room and use the C02 systemD
Evacuate the engine room and use the fire main system
考题
单选题Ernest Rutherford, a scientist when measuring the charge and mass of alpha particles, discovered that they are virtually identical to the nuclei of helium atoms.A
a scientist when measuring the charge and mass of alpha particlesB
a scientist who measured the charge and mass of alpha particlesC
a scientist which measured the charge and mass of alpha particlesD
measuring the charge and mass of alpha particles, was a scientist when heE
being the one who measured the mass and charge of alpha particles as a scientist
考题
单选题When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be（）A
disengaging the clutch firstly, then stopping the main engineB
stopping the main engine firstly, then disengaging the clutchC
stopping the cooling water pump firstly, then stopping the main engineD
stopping the main engine and disengaging the clutch at the same time
考题
单选题In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the （）A
governor droopB
speeder spring tensionC
fuel rack lagD
load on the engine
考题
单选题When a ship is entering to narrow waterway and the fuel feeding of the main engine is keeping unchanged, which of the following is the wrong conclusion?（）A
the power of main engine will be reducedB
exhaust temperature will be increasedC
the speed of the ship will be reducedD
the propulsion characteristic of propeller will keep unchanged
考题
单选题Which is false about engine trials?（）A
engine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air brieflyB
in the operation of engine trails, the main engine should be running in low-speedC
As to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same timeD
the order “engine trials” should be given by the bridge
考题
单选题When the engine room is put in standby condition, the engineer in charge of the watch need not to（）A
ensure all machinery which may be used during maneuvering is in readyB
ensure an adequate reserve of power is available for steering gear and other requirementsC
keep the main propulsion unit controls continuously attended when in the manual mode of operationD
ensure all machinery which may be used during maneuvering is running stably
考题
单选题Compared to a naturally aspirated diesel engine, a supercharged diesel engine has（）A
a cylinder air charge of higher pressureB
increased pumping lossesC
less valve overlapD
reduced blow-by
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