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单选题
During the dock repair, each sea valve must be disassembled, cleaned and ground well.Before it reassemble the sealing surface between the valve and the valve seat should be checked by （）
A
chief engineer
B
surveyor
C
the engineer
D
the technique personnel of the shipyard
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Although a ship usually has repair in a shipyard, ________ is also necessaryA.the general repair on boardB.the voyage repairC.the annual repairD.the dock repair
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They went to Japan (). Now they must be ().
A、by sea, at seaB、by the sea, at the seaC、by the sea, at seaD、by sea, at the sea
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What is NOT true about overhaul repair?( )
A.Overhaul repair is a major repair.B.Overhaul repair is carried out in a dock.C.Overhaul repair is carried out once a year.D.Overhaul repair is done for the purpose of rating.
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During the dock repair,______should be measured firstly before tail shaft drawn out.A.the sinking of tail shaftB.the clearance of stern bearingC.the total flexure of shaftD.main engine crankshaft deflection
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You should log all barometer readings taken at sea ______.A.regularlyB.at least once during each watchC.more often under changeable weather conditionsD.All of the above
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Which statement concerning GMDSS Radio Operator requirements is FALSE ________．A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at seaB.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as wellC.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsD.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
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单选题Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.A
cargo pump failureB
blower failureC
deck seal low water levelD
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考题
单选题The rate of cylinder lubricating oil metered to each cylinder of a large low-speed main propulsion diesel engine is （）A
the same, whether at sea, or during maneuveringB
adjusted during each hour of operation while at constant RPMC
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lower at sea than while maneuvering
考题
单选题During repair,lubrication lines and orifices must be （）.A
taken awayB
engagedC
connectedD
sealed off
考题
单选题Your vessel is at a dock taking bunkers through a pipe laid down on the dock. If oil begins to flow out of a tank vent，what should you do FIRST?（）A
Open the intake valve to an adjacent tankB
Set out drip pans and sawdust and begin to mop up the spillC
Signal the shore control point to shut downD
Close the valve on the tank vent line
考题
单选题During the dock repair, should be measured firstly before tail shaft drawn out（）A
the sinking of tail shaftB
the clearance of stern bearingC
the total flexure of shaftD
main engine crankshaft deflection
考题
单选题Which of the following items don’t belong to dock repair works?（）A
making the repair list, booking spare parts and special tools for the dock repairB
shutting off all of the S.W valves to outboardC
the sketches or diagrams used for the dock repairD
cleaning up the oil tank and boiler before enter the dock
考题
单选题Which of the following items don’t belong to dock repair works?（）A
the SW outboard valvesB
the tailshaft LO stop valveC
the drain valve of the boilerD
propeller shaft sealing device
考题
单选题Which of the following items don’t belong to dock repair works?（）A
making the repair list, booking spare parts and special tools for the dock repairB
shutting off all of the SW valves to outboardC
the sketches or diagrams used for the dock repairD
cleaning up the oil tank and boiler before enter the dock
考题
单选题If your bridge-to-bridge radiotelephone ceases to operate，you must（）.A
immediately anchor your vessel and arrange for repairs to the systemB
moor your vessel at the nearest dock available and arrange for repairs to the systemC
arrange for the repair of the system to be completed within 48 hoursD
exercise due diligence to restore the system at the earliest practicable time
考题
单选题Shore power must be（） during dock repair.A
disconnectedB
switched offC
cut offD
connected
考题
单选题When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）A
igniting boilerB
releasing air in sea water systemC
starting generatorD
cut off shore power
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单选题During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.A
ensure penetration and distribution of the fuel in the combustion chamberB
ensure the needle valve is flushed clean during each injectionC
prevent combustion gas blowback into the open needle valveD
prevent reflected pressure waves when the needle valve closes
考题
单选题When fire pumps are used for other than firefighting service，each pipe connecting the other service (except for branch lines used for deck washing) must have a（）.A
check valve installed in the lineB
shut off valve at a manifold near the pumpC
quick disconnect union within ten feet of the pumpD
regulator in the line set at 125 psi
考题
单选题What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill? （）A
Which survival craft was used in the drillB
The number of each lifeboat not lowered during each drillC
Only the number of each motor propelled lifeboat that is loweredD
The length of time an oar propelled lifeboat is rowed
考题
单选题When ship in the dock repairing, engine department should emphasize on the inspection of（）A
sea valve chest, sect valve, thrusterB
bilge motherboard, steering and the shaft systemC
sea water systemD
fresh water system
考题
单选题When is dock survey carried out?（）A
During annual repairB
Usually during dock repairC
Before sea trialD
After 5 years from last annual survey
考题
单选题Now that the valve is not worth （）, I suggest it （）.A
to repair；to renewB
repairing；be renewedC
repairing；will be renewedD
to repair；to be renewed
考题
单选题Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.A
a sea water chestB
a change-over chestC
a buffer tankD
a three-way valve
考题
单选题To ensure the quality of dock repair, C/E should know very well （）A
the repair standard of main docking repair itemB
the special tool for repair itemC
the skill of repairerD
the status of docking repair equipment
考题
单选题During the dock repair, when installing the tail shaft and propeller, who should be on the spot to supervise?（）A
chief engineerB
the engineerC
captainD
any member of the engine department
考题
单选题Which of the following precautions should always be carried out in dry dock?（）A
Liquids should never be transferred between tanks without consulting the dock masterB
If sea valves have been disassembled, all bonnets must be checked for leakage when the ship is re-floatedC
Before re-floating, all sea chest strainers should be verified as having been replacedD
All of the above
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