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单选题
Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.
A
have nothing to do with
B
having nothing to do with
C
have much to do with
D
having much to do with
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Main engines as well as auxiliary engines operating on heavy fuel should have continuousoon the lubricating oil, either according tothebypass or batch principles
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The main propulsion diesel continues running after you try to shut down. You should now attempt to .A.stop the fuel oil booster pumpB.engage the jacking gearC.secure the lube oil pumpD.shut off the fuel at the settling tank
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The core item in the Oil Record Book Part I is ____, and its main content is____.A.Item A, BALLAST OR CLEANING OF FUEL OIL TANKSB.Item B, DISCHARGE OF DIRTY BALLAST OR CLEANING WATER FROM FUEL OIL TANKS REFERRED TO UNDER SECTION(A)C.Item C, DISPOSAL OF OIL RESIDUES(SLUDGE)D.Item H, BUNKERING OF FUEL OIL
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The core(核心) item in the Oil Record Book Part I is______, and its main content is______.A.Item A, BALLAST OR CLEANING OF FUEL OIL TANKSB.Item B, DISCHARGE OF DIRTY BALLAST OR CLEANING WATER FROM FUEL OIL TANKS REFERRED TO UNDER SECTION(A)C.Item C, DISPOSAL OF OIL RESIDUES(SLUDGE)D.Item H, BUNKERING OF FUEL OIL
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单选题When the ship is going to enter into the harbor,（）A
change from heavy fuel oil to diesel oil for mail engineB
pumping oil bilge waterC
change sea chest form high level one to lower oneD
test emergency generator
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单选题Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.A
have nothing to do withB
having nothing to do withC
have much to do withD
having much to do with
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单选题When an auxiliary boiler is panting and emitting black smoke, you should （）.A
increase the fuel oil temperatureB
decrease the fuel oil temperatureC
decrease the fuel oil supply pressureD
increase the air supply
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单选题Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of （）.A
fuel oil vapor at the sludge tank ventB
unburned fuel vapors in the scavenge air receiverC
lube oil vapors in the crank caseD
lube oil vapors in the engine room
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单选题When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.A
filter to remove the fuel oilB
use the settler to remove the fuel oilC
remove the fuel oil by centrifugingD
drain and then renew the lube oil supply
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单选题In motor-ships, （）, after passing through main and motion bearings and oil cooled pistons, etcis either retained in the bedplate.A
the fuel oilB
the lubricating oilC
the refrigerating oilD
the hydraulic oil
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单选题If a diesel engine fails to start，one of the likely causes is （）A
low compression temperatureB
low ambient air pressureC
high lube oil pump pressureD
high fuel oil booster pump pressure
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单选题Which of the following machinery space operations is required to be logged in the Oil Record Book?（）A
Ballasting or cleaning of fuel oil tanksB
Shifting suction of main fuel pump to reserve fuel oil tankC
Changing out sprayer plates to adjust for steam demandD
Daily inspection of engine room bilges
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单选题What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）A
WhiteB
BlackC
BlueD
Clear
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单选题When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be（）A
cleaning fuel oil, lubricating oil and seawater filterB
reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propellerC
using low sea chestD
closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments
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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
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单选题What is one effect of running a diesel engine at too cool a temperature? （）A
Buildup of sludge in the lubricating systemB
Excessive fuel consumptionC
Severe heat stresses on mechanical partsD
Foaming of the lubricating oil
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单选题Main engines as well as auxiliary engines operating on heavy fuel should have continuous on the lubricating oil, either according to the bypass or batch principles（）A
filteringB
centrifugingC
depositingD
operating
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单选题The safe rate of bunkering heavy fuel oil is directly related to the （）.A
type of fuel transfer pump aboardB
temperature of the fuel oil being receivedC
size of the fuel storage tanks ashoreD
distance from the fuel oil storage tanks ashore
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单选题One result of operating a diesel engine at light load with excessively low cooling water temperature is a/an （）A
decrease in ignition lagB
increase in fuel economyC
reduction in lube oil viscosityD
increase in cylinder misfiring
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单选题In motorships，there are two main circuits, （）.A
one salt water, one fresh waterB
one salt water, one fuelC
one fresh water, one fuelD
one steam, one fuel
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单选题After the ship is out of the harbour and in “Full Speed”, well change （）.A
to fuel oil instead of diesel oilB
for fuel oil instead of diesel oilC
to diesel oil into fuel oilD
for diesel oil into fuel oil
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单选题One of function of diesel engine lubricating oil is to （）A
induce carbon formation on cylinder wallsB
improve fuel penetration in the combustion spaceC
form a friction reducing film between mating surfacesD
lubricate the fuel injection
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单选题When the incinerator is stopped, which of the following is wrong?（）A
After stopping supplying sludge oil, the value and pipe should be flushed by flushed by diesel oil and the incinerator continue burning for 10 minutesB
Close auxiliary burner firstly and then close main burnerC
After stopping fuel, restoring the position of main fuel supply valveD
Stop blower as soon as stopping supplying fuel oil
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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
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单选题When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the following precautions should be observed when switching back over to diesel oil?（）A
The diesel oil must never be allowed to mix with the heavy fuelB
The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valveC
The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valveD
The heating steam must be secured before the diesel oil passes through the three-way valve
考题
单选题When the ships is going to enter into the harbor,（）.A
change from diesel oil to heavy fuel oil for mail engineB
pump out bilge waterC
change sea chest form lower level one to high level oneD
test emergency generator
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