更多"The main function of the drawworks "的相关试题:
[单项选择]Among the main propulsion units on board the ship with the same capacity, the lightest one is（）.
A. steam engine
B. steam turbine
C. gas turbine
D. diesel engine
[单项选择]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 engine
B. stopping the main engine firstly, then disengaging the clutch
C. stopping the cooling water pump firstly, then stopping the main engine
D. stopping the main engine and disengaging the clutch at the same time
[单项选择]A cutoff valve in the fire-main system of a ship may be closed to protect the portion of the system on an exposed deck from（）.
A. damage from crane operations
B. being used for wash down purposes
C. accidental diversion of flow to wrong location
D. freezing
[单项选择]I hereby request permission（）the ship’s main engine for routine maintenance.
A. immobilize
B. to immobilize
C. immobilization
D. immobilizing
[单项选择]The main function of the core of a wire rope is to（）.
A. give flexibility
B. support the strands laid around it
C. allow some circulation around the strands
D. allow lubrication inside the rope
[单项选择]After a ship enters service it is（） for the main bus-bar to be made dead.
A. usually
B. commonly
C. exceptional
D. unavoidably
[单项选择]The main function of tie rods in the construction of large, low speed diesel engines is to（）.
A. stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B. accept most of the tensile loading that results from the firing forces developed during operation
C. mount the engine frame securely to the hull to prevent shaft coupling misalignment
D. connect the crosshead solidly to the piston rod
[单项选择]The main function of the lubrication system in to enable （） of a film of oil between the moving parts.
A. the information
B. the formation
C. the scatter
D. the friction
[单项选择]The main function of piston compression rings is to （）
A. prevent excessive cylinder liner wear
B. reduce friction losses in the engine
C. seal the space between the piston and the liner
D. limit upward flow of lube oil into the combustion space
[单项选择]（）is not the main function of CCS.
A. ship products survey
B. notarization survey
C. ship safety inspection
D. counseling service and publishing ship name list
[单项选择]Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
A. coast to aircraft operational communications
B. aircraft to ship operational communications
C. lock & bridge communications
D. aircraft to ship navigational communications
[单项选择]Ship-to-ship distress alerting should be conducted by（）.
A. Inmarsat SES
B. VHF /DSC or MF/DSC
C. SART and VHF/DSC
D. Satellite EPIRB and VHF /DSC
[单项选择]Each ship shall carry on board a ship security plan approved by （）
A. the chief engineer officer
B. the master of the ship
C. the manager of the company
D. the Administration
[单项选择]The angular motion of a ship in the athwart ship is termed（）.
A. pitching
B. yawing
C. rolling
D. tracking
[单项选择]When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.Due to the function of the governor, the main engine will（）
A. reduce fuel feeding
B. increase fuel feeding
C. keep original fuel feeding
D. be overspeed
[单项选择]When my ship arrived there，their ship（）.
A. has left already
B. left already
C. had left already
D. would left already
