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What could be a result of insufficient lubrication of lifeboat winches and davits ________．
A.Moisture accumulation in winch motor damaging the electrical wiring
B.Freezing of gears in cold weather
C.Corroding of sheaves on the davits so they will not rotate
D.All of the above
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更多 “ What could be a result of insufficient lubrication of lifeboat winches and davits ________．A.Moisture accumulation in winch motor damaging the electrical wiringB.Freezing of gears in cold weatherC.Corroding of sheaves on the davits so they will not rotateD.All of the above ” 相关考题
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Frapping lines are fitted to lifeboat davits to ______.A.secure the lifeboat in the davits when in the stowed positionB.bring the life boat close along the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level
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单选题What could be a result of insufficient lubrication of lifeboat winches and davits?（）A
Moisture accumulation in winch motor damaging the electrical wiringB
Freezing of gears in cold weatherC
Corroding of sheaves on the davits so they will not rotateD
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emergency disconnect switchC
governor brakeD
position of the counterweight on the brake handle
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单选题Increased internal leakage, in addition to poor hydraulic system response,and inadequate lubrication, is the result of （）.A
pump bearings in poor conditionB
excessively worn actuator-piston packingC
broken directional control valve centering springsD
low hydraulic oil viscosity
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单选题In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）A
Frapping lineB
Tricing lineC
Rottmer releaseD
Winch remote control wire
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单选题Insufficient refrigerant in a refrigeration plant may result in （）.A
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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
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单选题Frapping lines are fitted to lifeboat davits to（）.A
secure the lifeboat in the davits when in the stowed positionB
bring the lifeboat close along the rail in the embarkation positionC
give the occupants a safety line when the boat is being lowered from the embarkation levelD
reduce the swinging of the lifeboat at the embarkation level
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单选题Frapping lines（）.A
secure the lifeboat in the davits when in the stowed positionB
bring the lifeboat close alongside the rail in the embarkation positionC
give the occupants a safety line when the boat is being lowered from the embarkation levelD
reduce the swinging of the lifeboat at the embarkation level
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单选题Crankcase explosions in propulsion diesel result from（）A
the splashing of lubrication oil by the crankshaftB
the dilution of crankcase oil with particles of combustionC
broken fuel lines spraying oil on the crankcaseD
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单选题Frapping lines are fitted to lifeboat davits to（）.A
reduce the swinging of the lifeboat as it is being lowered from the embarkation levelB
secure the lifeboat in the davits when in the stowed positionC
hold the lifeboat to the ship's side until the tricing lines are passedD
be used as a safety line in an emergency
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单选题What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）A
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单选题Which statement is TRUE concerning lifeboat gripes?（）A
They must be released by freeing a safety shackleB
They should not be released until the boat is in lowering positionC
They may be adjusted by a turnbuckleD
They are normally used only with radial davits
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单选题What is the purpose of the limit switch on gravity davits?（）A
To cut off the power when the davits hit the track safety stopsB
To stop the davits from going too fastC
To cut off the power when the davits are about 12 inches or more from the track safety stopsD
None of the above
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单选题Steering a motor lifeboat broadside to the sea could cause it to（）.A
capsizeB
run smootherC
run fasterD
sink
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单选题Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include? （）A
The time required to lower a lifeboatB
The time required to raise a lifeboatC
The date of inspection and condition of the winchD
All of the above
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单选题Which sequence is correct when launching a lifeboat stowed in gravity davits?（）A
Release gripes，turn on emergency disconnect switch，release frapping linesB
Release tricing pennants，turn on emergency disconnect switch，release frapping linesC
Operate limit switches，release gripes，lift brakeD
Release gripes，lift brake，release tricing pennants
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