默认题库 - 特种货物运输及有关规则

单选题

What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?（）

A. Seal off all tank and compartment ventilation
B. Remove all bulk materials from the P-tanks
C. Provide respiratory protection and monitoring
D. All of the above

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单选题

Prior to loading barges over the stern of a LASH vessel，the vessel should be trimmed in what manner?（）.

A. Two to four feet by the bow
B. Slightly by the bow
C. No trim should be permitted
D. Slightly by the ster

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单选题

To serve as a person in charge of transfer operations on board a self-propelled tanker，an individual must（）.

A. hold a valid officer's license for inspected vessels
B. be a certificated tankerman
C. be 30 years old
D. have a letter from the company stating his qualificatio

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单选题

When fruit is carried as refrigerated cargo，the most frequent cause of its being infected at the discharge port is（）.

A. leaks in the ship's refrigeration system
B. improper cleaning of the cargo spaces
C. carriage at the wrong temperature
D. improper precooling of the cargo space

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单选题

Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.

A. preload
B. liquid variable load
C. fixed load
D. basic load

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单选题

In preparing a cargo space for receipt of a shipment of bagged cargo，which instruction for laying dunnage should be followed? （）

A. Use either 1 or 2 tiers of dunnage，spacing the pieces in each tier a foot apart，and lay pieces in the bottom tier diagonally to the ship's side
B. Use 1 tier of dunnage，laying the pieces tightly together to form a solid floor over the steel deck
C. Use 2 tiers of dunnage，spacing the pieces in the bottom tier about a foot apart and the pieces in the top tier 6 inches apart
D. Use 2 tiers of dunnage，spacing the pieces in the bottom tier about a foot apart and the pieces in the top tier together

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单选题

A cargo of refrigerated fruit is packed in crates with transverse members dividing the crate in two equal parts. Which statement is TRUE?（）

A. The cargo block should be tightly packed if the cargo is suitably chilled upon delivery to the vessel
Both sides of each crate must be checked for the temperature and the appearance of the fruit
C. The cargo block should be stowed with air channels built throughout the stowed cargo
D. The crates should NEVER be stowed brick fashio

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单选题

Air gap is the vertical distance between the bottom of the hull and the（）.

A. still water level
B. wave crest
C. wave crest plus the charted water depth and tidal corrections
D. wave crest plus the charted water depth and tidal correction and storm surge

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单选题

By regulation，cargo tank atmosphere must be inert before and during which operation?（）

A. Stripping
B. Loading
Cleaning
D. All of the above

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单选题

By regulation，cargo tanks must be inert before and during what operation?（）.

A. Stripping
B. Loading
Cleaning
D. Crude oil washing

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