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单选题
Impurities in the fuel oil will affect the operation of the engine, which has （） the use of separator and some other devices.
A
brought about
B
caused for
C
resulted from
D
led
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Which of the following represents the significance the fuel oil cetane number?A.The cetane number has no affect on injection lagB.The cetane number is an indication of the fuel's viscosityC.Ignition lag is reduced with fuels having a high cetane numberD.The cetane number is of little significance in the combustion process
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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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Prolonged operation of a diesel engine with a closed cooling water system, at lower than normal designed operating temperatures can ______.A.increase power outputB.decrease lube oil viscosityC.eliminate fuel knockD.cause sulfuric acid formation
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Which of the following is NOT on the list items to be recorded in Oil Record Book Part I (machinery space operation)?A.accidental discharge of oilB.disposal of oil residuesC.quantity of water produced by F.W.GD.discharge of dirty ballast or cleaning water from fuel oil tanks
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When an auxiliary boiler is panting and emitting(发出) 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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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
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Fuel oil is regularly transferred to the day tank in order to （）A
allow impurities to settle out of the fuelB
allow air to escape from the fuelC
make fuel available for immediate useD
all of the above
考题
单选题The percentage of impurities in a specific fuel oil sample is determined by （）.A
settling in a fuel tankB
testing in a laboratory centrifugeC
burning in a calorimeterD
testing in a closed cup
考题
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
考题
单选题Fuel oil having a low cetane rating could result in（）A
improved cold weather startingB
excessive fuel oil consumptionC
reduced ignition lagD
smoother engine operation
考题
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
考题
单选题Which of the following is NOT on the list items to be recorded in Oil Record Book Part I (machinery space operation)?（）A
Accidental discharge of oilB
Disposal of oil residuesC
Quantity of water produced by FWGD
Discharge of dirty ballast or cleaning water from fuel oil tanks
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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
考题
单选题Which of the followings will affect the spray of fuel oil?（）A
coke depositsB
cylinder water temperatureC
asphalt in fuel oilD
lub oil
考题
单选题The viscosity regulator controls （） in order to provide oil at the correct viscosity for combustion.A
the engines speedB
the engines loadC
the fuel oil temperatureD
the fuel oil flow
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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
考题
单选题Duty officer informs us that the vessel is out of harbor and in “Full Ahead”We are going to run （）.A
diesel oil instead of fuel oilB
fuel oil instead of diesel oilC
diesel oil instead fuel oilD
fuel oil instead diesel oil
考题
单选题The emulsion of the oil is mainly caused by （）.A
the solid impurities of large particleB
the solid impurities of fine particleC
the water contentD
both water and solid impurities
考题
单选题The temperature of the fuel oil received during bunkering operation is critical in determining the （）A
expansion space to leave in a tankB
flash point at which the fuel will burnC
temperature to which the fuel must be heatedD
rate at which the fuel can be pumped during transfer operations
考题
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
考题
单选题The quality of the fuel oil and lube oil （）, Im afraid.A
has much to do with the operation of the engine and its lifeB
have much to do with the operation of the engine and its lifeC
has much doing with the operation of the engine and its lifeD
have much doing with the operation of the engine and its life
考题
单选题Clean oil is achieved in a clarifier bowl where the impurities and water collect at the bowl （）.A
bottomB
topC
centerD
periphery
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单选题Faulty operation of diesel engine fuel injection nozzles can be directly caused by （）.A
water in the fuel oil supplyB
excessive fuel nozzle holder coolingC
a distorted fuel spray patternD
leakage past the plunger into the oil drain
考题
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
考题
单选题Which of the following represents the significance the fuel oil cetane number?（）A
The cetane number has no affect on injection lagB
The cetane number is an indication of the fuel’s viscosityC
Ignition lag is reduced with fuels having a high cetane numberD
The cetane number is of little significance in the combustion
考题
单选题Clogged diesel engine fuel oil filters can cause（）A
loss of powerB
misfiringC
low fuel oil pressureD
All of the above
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