CARGO WORK ; Bulk Solid/ Container & LASH/ Hygroscopic/ Reefer Flashcards
While loading cargo, a white trimming light on the starboard side comes on. This indicates that __________.
the vessel has a list of about 1’ to starboard
You will load and carry a bulk cargo of sulfur at ambient temperature. Which statement is true? (46 CFR 148.01-7)
Bulk sulfur may be carried without a special permit providing the vessel complies with all applicable regulations
What would NOT be labels for magnesium scrap? (46 CFR 172.101)
Oxidizer
Yellow
Corrosive
Which statement about the carriage of solid hazardous materials in bulk is TRUE?
Other hazardous materials cargo must not be stowed on deck above a hold in which a solid hazardous material in bulk is loaded
Before loading bulk grain, bilge wells must be covered to __________.
prevent cargo from sifting into the bilge wells
Ship’s officers should check every cargo compartment after it is filled with bulk grain to ensure __________.
all void spaces are filled
What is usually NOT required in preparing a hold for reception of a bulk grain cargo?
steam clean areas obstructed by structural members
When considering a vessel’s stability, which spaces in a general cargo vessel are the best locations for the carriage of bulk grain?
Deep tanks
While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.
this list man changing the discharge location of the chutes
Who would normally certify that all preparations have been made and all regulations observed prior to loading a cargo of bulk grain? (46 CFR 93.20-10)
National Cargo Bureau
Which statement is correct concerning the carriage of coal in bulk?
Coal should be vented with surface vents only
Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.
100*F
Which statement about shipping coal is TRUE?
coal should be surface ventilated to remove methane gas
Which statement about the ventilation of bulk coal is TRUE?
coal should be surface ventilated only
What is NOT a problem when carrying coal?
the requirement for through ventilation
Which statement about the carriage of coal is true?
freshly worked coal is more dangerous than weather coal
Atmospheres laden with coal dust or grain dust caused by loading these cargoes __________.
may be explosive in some concentrations
Which agency is authorized to assist the Coast Guard in the inspection of vessels for the suitability of loading hazardous materials? (46 CFR 176.18)
National Cargo Buruea, Inc.
When carrying a full or nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships, the cargo in each hold should be trimmed so that the bulk of the cargo lies __________.
toward the after bulkhead of the forward holds and toward the forward bulkhead of the after holds
When referring to dry bulk cargoes, the term “flow state” __________.
refers to the saturation of a dryk bulk product with water to the point where it acts as a liquid
Bilge soundings indicate __________.
The amount of condensation in the hold
Whether the cargo is leaking or not
Whether the vessel is taking on water
A list signal of one white light indicates that the vessel is __________.
listing about 1* to the side the light is displayed on
A list man would expect to see any of the following light signals
Two red lights
One green light
One white light
A list man would NOT expect to see which light signal?
one amber light
When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to __________.
prevent excessive longitudinal stress
The National Cargo Bureau represents the________.
Agent
Operator
Shipper
Bulk cargo refers to __________.
homogeneous cargo not enclosed in a container
You are scheduled to load a bulk shipment of steel turnings. Which statement is TRUE? (46 CFR 148.01-7)
The primary hazard of this cargo is that it is subject to spontaneous heating and ignition
A vessel loads edible oil in a deep tank through a manhole at the mid-length of the tank. In order to fill the tank to maximum capacity, what trim should the vessel have?
In level trim
What is the meaning of the term tare weight?
Weight of a container
What provides the majority of strength to an aluminum-sided container?
Framework, primarily the corner posts
What purpose does a bridge fitting serve when lashing containers?
restrains the container against horizontal motion
When loading a container vessel, the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge, __________.
weight, and refrigeration
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 _________.
initiate loading in conjuction with unloading at the hatch
When loading containers into the cell guides in the hold of a container ship, which statement is TRUE?
no further securing is usually required
Which statement concerning sweat damage in containers is TRUE?
containers should be ventilated, dehumidified, or the contents physically protected against sweat damage
Which statement concerning the carriage of containers is TRUE?
With tiered containers, a 40-foot container may be stowed on top of two 20-foot containers
Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE?
stack weights should be less when using a solid bar lashing as compared to a wire lashing
With the buttress securing system, containers of different heights must be stowed __________.
on the top tier
You are in a tropical port. The refrigeration machinery on a container loaded with air-cooled fruit fails. It cannot be repaired for 18 to 24 hours. Which step should you take to reduce the temperature rise and spoilage of the fruit?
shade the container and periodically hose it down
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? (49 CFR 176.905 (a) and (i))
the fuel tanks must be inerted with CO2
A vessel has an amidships superstructure. Which location would be most suitable for main deck stowage of vehicles?
on top of the hatch immediately aft of the midships house
A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?
on top of the hatch immediately aft of the midships house
You are on a container vessel. What concerning the handling and stowage of containerized hazardous materials is TRUE? (49 CFR 176.76)
open-bed containers may be used to transport hazardous materials if the cargo is properly secured
You are on a containership carrying a tank container that had been filled with sodium hydroxide solution. The container is empty but has not been cleaned. Which, if any, placard is required? (49 CFR 172.514; 172.558)
black and white corrosive placard
You are on a containership. The cargo includes a container of small arms ammunition, a container of lead-acid storage batteries and a container of methyl acetylene bottles. Which statement is TRUE? (49 CFR 176.80 (b))
No seperation is required becasue freight containers are exempted
You are on a containership. Which statement about the stowage of hazardous materials in containers is TRUE? (49 CFR 176.76)
A refrigerated container with a fuel tank containing a flammable liquid must be stowed on deck
Your containership has a container displaying a hazardous cargo placard. The placard has the number 2199 on it. This indicates that it is carrying what cargo? (49 CFR 172)
Phosphine
Your containership has a container displaying a hazardous cargo placard. The placard has the number 2206 on it. This indicates that it is carrying what cargo? (49 CFR 172)
Isocyanates, n.o.s.
Your containership has a container displaying a hazardous cargo placard. The placard has the number 2224 on it. This indicates that it is carrying what cargo? (49 CFR 172)
Benzonitrile
Your containership has a container displaying a hazardous cargo placard. The placard has the number 2282 on it. This indicates that it is carrying what cargo? (49 CFR 172)
Hexanols
Your ship is carrying hazardous cargo. During a daily inspection, you notice that some of the cargo has shifted and several cases are broken. You should FIRST __________.
report the facts immediately to the Master, who will make a decision
A half-height container is used __________.
to carry cargoes such as steel products or drums
A high cube container is designed specifically to __________.
carry low density cargoes
A high cube container would most likely be used to stow __________.
household appliances (not heavy industrial machinery, fragile cargoes, or dense bulk cargoes)
Because of the arrangement of the cell guides, the MOST important factor while loading containers is the __________.
list of the vessel
Cargoes that might leak from containers are known as __________.
wet cargoes
How long is the standard container used to measure equivalent units?
20 feet (6 meters)
If a Master must jettison a container loaded with hazardous material, he must, as soon as possible, notify the __________. (49 CFR 176.48(c))
nearest Captain of the Port
On the fully containerized ship, approximately one-third or more of the cargo is on deck above the rolling center. Top stowed containers are subject to __________.
accelerations greater than on conventional vessels
The lashings on a stack of containers with interlocking fittings restrain the forces that cause __________.
racking
The securing systems for containers were developed to prevent container movement during which ship motion?
roll
The weight of the container and its contents is supported on deck by what part(s)?
four lower corner castings
Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are required when the tier exceeds what height?
lashings are always required
Under normal weather and sea conditions when securing a stack of containers with twist locks, lashings are required when the tier exceeds what height?
two containers
What is NOT a securing system used on a containership?
stacking system
What is NOT an advantage of containership operations over conventional break-bulk operations?
flexibility of operations
A hygroscopic cargo is defined as a cargo __________.
capable of absorbing moisture in the form of a gas
Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is TRUE?
you must ventilate constantly and vigorously to combat ship sweat
Your vessel is loaded with non-hygroscopic cargoes and is going from a cold to a warm climate. You should __________.
not ventilate the cargo holds
Hygroscopic cargoes should be ventilated when __________.
going from a warm to a cold climate
Sweat damage will occur in a cargo hold containing cased machinery when the __________.
dew point of the hold is higher than the temperature of the ship’s skin
Sweat damage in a hatch full of canned goods in cartons will occur when the __________.
dew point is higher than the temperature of the cargo
The moisture equilibrium chart can be used to determine the __________.
dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity
Which data can NOT be found on a moisture equilibrium chart?
wet bulb temperature
When the dew point of the outside air is higher than the dew point of the air in the cargo hold, you should __________.
not ventilate the cargo holds
When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold, you should __________.
ventilate the cargo holds
Which factor is MOST important in preventing sweat damage within a cargo hold?
Dew point of the cargo hold
A heated bulkhead has the effect on a hygroscopic commodity of __________.
raising the vapor pressure of the commodity
On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?
There is a danger of heavy cargo sweat if outside air is introduced by ventilation
When fruit is carried as refrigerated cargo, the most frequent cause of its being infected at the discharge port is __________.
improper cleaning of the cargo spaces
In preparation for receiving chilled reefer cargo, the reefer space has been precooled for over twenty-four hours. Loading may begin when the space has been cooled to a temperature between __________.
28F ((-2C) and 40F (4C)
Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo?
American Bureau of Shipping
A survey of refrigerated cargo, to certify that proper methods of stowage were utilized, can be conducted by the __________.
National Cargo Bureau
If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause __________.
mold to develop on commodities
If you are loading fruit in reefer spaces and you notice that the fruit is beginning to mold, you should __________.
write up exeptions on the cargo
Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?
refrigerated fruit that is ripening
