更多"When general cargo with different a"的相关试题:
[单项选择]The cargo，when（），should be completely covered with plastic.
A. stow
B. stowing
C. stowed
D. be stowed
[单项选择]When commencing cargo operations on a container ship，one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to（）.
A. remove an existing list that would slow down cargo operations
B. initiate loading in conjunction with unloading at the hatch
C. improve stability during cargo operations
D. allow longshoremen easy access to the hatch
[单项选择]How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）.
A. With gooseneck vents
B. With warning signs
C. With flame screens
D. With pressure-vacuum relief valves
[单项选择]What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
A. The tank must be gas freed
B. The tank must be ballasted
C. The tank must be vented to the atmosphere
D. The bypass valve must also be closed
[单项选择]When cargo is shifted from the main deck into the lower hold of a vessel，（）.
A. The metacenter will move downward
B. The GM will increase
C. The center of buoyancy will move upward
D. The list of the vessel will become great
[单项选择]When loading a cargo of taconite，proper sequencing of loading by hatch number is necessary to （）.
A. provide the proper trim
B. prevent negative stability from developing
C. prevent excessive longitudinal stresses
D. control list
[单项选择]When discharging an oil cargo，the first consideration is to（）.
A. get the bow up
B. discharge from the wings first
C. discharge from the centerline tanks first
D. discharge from amidships first
[单项选择]When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，the atmosphere must be sampled（）.
A. one meter from the tank bottom and one meter below the tank top
B. one half the ullage of the tank and one meter below the tank top
C. one half the ullage of the tank and one meter above the tank bottom
D. at three meter intervals from the tank top
[单项选择]When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it（）.
A. one meter from the tank bottom and one meter below the tank top
B. one half the ullage of the tank and one meter below the tank top
C. one half the ullage of the tank and one meter above the tank bottom
D. at three meter intervals from the tank top to the bottom
[单项选择]When cargo aboard a jack-up in transit becomes adrift，the tow vessel should be asked to （）.
A. turn into the seas
B. turn to be parallel to the seas
C. reduce speed
D. increase speed
[单项选择]When carrying a cargo of asphalt or molten sulfur，which are carried at temperatures of over 300°F，one of the biggest dangers is（）.
A. water in the tanks or pipelines
B. having the cargo too cool
C. explosion of vapors after discharge
D. inadequate ullage space
[单项选择]Sufficient cargo tanks shall be（）prior to each ballast voyage in order that，taking into account the tanker’s trading pattern and expected weather conditions，ballast water is put only into cargo tanks which have been crude oil washed.
A. Inerted
B. Crude oil washed
C. Gas freed
D. Battened down
[单项选择]When using slings，cargo handlers should take all the following precautions except（）.
A. Ensure that slings are securely fastened around the load
B. Avoid careless winch operations，especially when handling fragile cargo
C. Exercise care when using hooks，crowbars，and similar tools
D. Keep the loads as close to the rail or deck as possible
