航海英语(甲类船长)船舶货运技术单选题练习4

You intend to tow a barge with one tug and expect continuous high winds from the north．To reduce the yaw of your tow，you should ______．

Your tow contains a barge carrying carbon tetrachloride．What is NOT required ________．

You are operating a lift boat．When jacking down and a leg becomes stuck on the bottom，you should ______．

You are testing a tank that contained gasoline by using a combustible gas indicator．Under testing，the tank sample caused the needle to move rapidly to 100 on the dial then fall to zero．What is the concentration of flammable gas ________．

You are loading a cargo of bagged coffee beans．To keep cargo leakage from being contaminated by the ship's structure，you should ______．

You are in a tank wearing the self-contained breathing apparatus and you desire to return topside．How many tugs of the lifeline mean to take up the slack ________．

Which statement about entering into a tank which has been sealed for a long time is TRUE ________．

Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo ________．

Which operating procedure（s）should be adhered to on a Ro-Ro vessel ________．

Which lashing device（s）would be used in securing heavy vehicles aboard Ro-Ro vessels ________．

Which of the following is considered auxiliary securing equipment that provides extra reliability to lashing in Ro-Ro transport operations ________．

Which of the listed functions is the purpose of a gas scrubber in an inert gas generation system ________．

What should you be concerned with when loading and securing vehicles on a Ro-Ro ________．

When working with lumber，wire and staples are not desirable to be used because ______．

What should be done after putting down the ramp on a Ro-Ro vessel，prior to loading or discharging cargo ________．

What may NOT be used when securing heavy vehicles aboard Ro-Ro vessels ________．

What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel ________．

What is（are）standard operating procedure（s）used on a Ro-Ro vessel ________．

What is used when securing heavy vehicles aboard Ro-Ro vessels ________．

What characterizes a Ro-Ro vessel ________．

What is NOT a requirement for the preparation of used，gasoline-propelled cars if they are to be carried as ordinary cargo and not as hazardous cargo ________．

What is used to test a tank for oxygen content ________．

Upon release to the atmosphere，LFG readily ______．

The vapor pressure of a gas is the pressure necessary to keep it in a（n）______．

The type of carrier required to file a copy of freight tariffs would be the ______．

The storage device for nitrogen-pressurized hydraulic fluid，which is used in closing the blowout preventers is called the ______．

The tops of vents from gasoline tanks should terminate ______．

The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the ______．

The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward．This is the signal to ______．

The primary hazard of liquefied petroleum gas and liquefied natural gas is ______．

The pneumatic containers which store bulk dry mud additives and cement on a ship are called ______．

The preventer guy，as used on a conventional yard and stay rig，______．

The disadvantage（s）of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that ______．

The greatest strain，when lifting a load with the jumbo purchase，is on ______．

The choice of length of tow bridle legs is governed by the ______．

The airborne concentrations of substances（such as H2S）under which nearly all workers may be repeatedly exposed without adverse effects are called ______．

Storage batteries should be charged in a well ventilated area because ______．

Special stowage in deep tanks is obviously required for ______．

That ______ is not an instructions for block stowing hand-stowed reefer cargo in containers．

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

Should the steel be loaded in conditions where the ambient temperature is lower than might be encountered later on in the voyage，______．

Packages/cartons of frozen cargo should be stowed in a container ______．

Prior to backloading portable tanks or drums onto an offshore supply vessel，check that each tank is ______．

On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the ______．

Your tow includes a barge carrying chlorine．Which special requirements must be observed ________．

Name one major advantage of transporting gas under refrigeration．

In the stowage of timber deck cargo，every lashing should be provided with a device or an installation to ______．

LFG tank and pipeline maintenance should include ______．

In the stowage of steel，fitting at least one ______ into the stow is vital as neglecting to do so can produce a large element of instability．

In order to minimize the effects of a tender vessel，when carrying a cargo of lumber，you should ______．

If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo ________．

If wire rope clips are used to make a joint in a wire lashing，be sure that ______．

If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should ______．

If reefer spaces are not properly cleaned prior to loading cargo，it will most likely cause ______．

Generally speaking，the heavier cargo will go into the ______，distributing it evenly fore and aft，the lighter cargo will probably be placed in the ______．

If a cargo of kerosene were considered too lean to explode，then it must be ______．

Gasoline fumes tend to ______．

Combustible gas indicators operate by drawing an air sample into the instrument ______．

Cargo that is suitable for carriage on Ro-Ro vessels includes ______．

Cargo securing for Ro-Ro is based on the concept of _______．

Before starting a gasoline engine on a motorboat，you should make sure for safety that ______．

Cargo booms must be weight tested to recertify the Safe Working Load（SWL）every ______．

By regulation，cargo tank atmosphere must be inert before and during which operation ________．

An oil tanker operating with dedicated clean ballast tanks shall be equipped with ______，approved by the Administration on the basis of specification recommended by the Organization，to enable supervision of the oil content in ballast water being discharged．

An oil tanker，except as provided for otherwise，might discharge certain amount at certain rate of oil or oily mixtures into sea when ______．

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

A vessel has an amidships superstructure．Which location would be most suitable for on-deck stowage of automobiles ________．

According to the regulations，normally，manholes in LFG tanks are located ______．

A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of ______．

A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the ______．

______ is not a proper procedure for a lashing of the timber deck cargo．

A tow astern is veering from side to side on its towline．The best way of controlling the action is to ______．

A loaded hopper barge with independent tanks has a placard，with alternating red and white quadrants，on each side and end．Which statement concerning this barge is TRUE ________．