Cargo handling and stowage

Cargo handling and stowage

	Cargoes that have the capability of absorbing moisture are called:
	a) Hygroscopic
	b) Contaminated
	c) Inherent vice
	d) Tainted

	What is the flash point of liquid classified as Grade E?
	a) 80deg.F below
	b) 150deg.F above
	c) 150deg.F below
	d) 80deg.F to 150deg.F

	When coming from cold climate to hot climate and carrying hygroscopic cargo, you should:
	a) Not ventilate.
	b) Ventilate continuously.
	c) Ventilate only to raise the dew point.
	d) Ventilate only when cargo temperature is warmer than the dew point.

	The most important factor to determine the good turnout of refrigerated cargo is:
	a) Cleanliness of space
	b) Good ventilation
	c) Temperature maintained
	d) Good stowage

	The most inherent danger in LPG is:
	a) Low temperature causes frostbite or freezing.
	b) Reacts to sea water.
	c) Strong odor is produced.
	d) When warm becomes heavier than air.

	Which of the following best indicates how many tons of cargo a vessel can carry?
	a) Bale cubic
	b) Deadweight
	c) Loaded displacement
	d) Gross tonnage

	Corrosive liquids would have what kind of label?
	a) Yellow
	b) Skull and cross-bones
	c) White
	d) Red

	The permanent dunnage attached to the framed of the ship that aids in ventilation is/are the:
	a) Hatch boards
	b) Tank top
	c) Hatch beams
	d) Sweat battens

	Common deficiencies in laying dunnage is/are:
	a) Best drainage is not provided.
	b) Insufficient tiers.
	c) Improper spacing.
	d) All of the above.

	Cargo damaged due to water being present in a cargo hold, as a result of a leak in the hull plating is said to be damaged by:
	a) Free moisture
	b) Transfer of hygroscopic moisture
	c) Both a and b
	d) Neither a nor b

	The term used to denote a quality of change in some cargo which damage the commodity itself is:
	a) A latent detect
	b) Tainting
	c) Deterioration
	d) Inherent vice

	Cargo which has a stowage factor of 40 is termed:
	a) Deadweight cargo
	b) Measurement cargo
	c) Ad valorem cargo
	d) Insured cargo

	Protection of cargo against tainting damage can be best obtained by:
	a) Ventilating the space.
	b) Not ventilating the space.
	c) Proper use of paper separation and dunnage.
	d) Segregation of cargo by using different hatches.

	The ratio of the amount of water vapor actually in the air to the amount that would be in the air if air is saturated is:
	a) Relative humidity
	b) Absolute humidity
	c) Dew point
	d) Specific humidity

	The temperature below which the air will be unable to retain the moisture it presently contains is:
	a) Dry bulb temp.
	b) Dew point
	c) Wet bulb temp.
	d) Wet bulb depression

	Which of the following is/are correct?
	a) Ventilation has the single objective of preventing damage to cargo that originates from condensation within the cargo holds.
	b) The dew point temperature is dependent only upon the moisture content of the air.
	c) Both a and b
	d) Neither a nor b

	A space should be ventilated when:
	a) The cargo temperature is colder than the dew point of the air in the space.
	b) The cargo temperature is warmer than the dew point of air in the space.
	c) The dew point of the air in the space is higher than dew point of the outside air.
	d) All of the above.

	The dew point of the air in the ship’s hold is to:
	a) Be kept below the temperature of the cargo to prevent cargo sweat.
	b) Be kept above the temperature of the hull and bulkheads to prevent ship’s sweat.
	c) Both a and b
	d) Neither a nor b

	The proper stowage of refrigerated cargo includes attention to:
	a) Humidity control
	b) Air circulation around the cargo
	c) Both a and b
	d) Neither a nor b

	Which of the following is most important in the prevention of sweat damage to cargo in the hold:
	a) Outside temperature.
	b) Dew point of the air in the cargo hold.
	c) Dew point of the outside air.
	d) Temperature of the cargo.

	Dry bulb temperature is 68deg.F. Wet bulb temperature is 61.5deg.F. The relative humidity is:
	a) 68%
	b) 69%
	c) 70%
	d) 71%

	Which of the following is/are correct?
	a) Frozen cargo is 12deg.F to 20deg.F
	b) Chilled cargo is 28deg.F to 40deg.F
	c) Air cooled cargo is 42deg.F to 55deg.F
	d) All of the above

	Sweat damage will occur in a cargo hold containing machinery parts when:
	a) The outside air is colder than the cargo.
	b) The air temperature of the hold is higher than the outside air.
	c) The dew point of the hold is higher than the temperature of the cargo.
	d) The dew point of the outside air is lower than the temperature of the cargo.

	When loading different cargoes through the same pipeline you should determine which cargo to load first except:
	a) Flash point
	b) Specific gravity
	c) Trim, hog and sag
	d) Cleanliness of commodity

	How could you compare the weight of LPG vapor with air?
	a) Lighter
	b) Variable
	c) Heavier
	d) The same

	What is the tendency of gasoline fumes?
	a) Settle on the level of the bilge by mixing with air.
	b) Disperse to atmosphere.
	c) Settle near the top of the bilge.
	d) Settle near the bottom of the bilge.

	Why does LPG gas carries not required to have gas freeing?
	a) LPG content makes it non-volatile.
	b) Regulation does not required.
	c) Cargo tanks are inspected less frequently.
	d) Cargo tanks are purged of water and air.

	The necessity of ventilating the bilge is to:
	a) Provide adequate air to the engine.
	b) To cool the machinery area.
	c) To dry the bilge for cleaning.
	d) Remove fuel vapor which is heavier than air.

	The most important factor to consider whether to ventilate or not a cargo space is:
	a) Dew point
	b) Dry bulb temp.
	c) Wet bulb temp.
	d) Relative humidity

	The normal percentage of oxygen in air is:
	a) 21%
	b) 18%
	c) 16%
	d) 25%

	A temperature at which a liquid must be heated in order to give off flammable vapor is:
	a) Flash point
	b) Explosive range
	c) Fire point
	d) None of these

	Long ton is equal to:
	a) 1000 lbs.
	b) 2000 lbs.
	c) 2240 lbs.
	d) 2400 lbs.

	Grade A petroleum product is:
	a) A combustible liquid
	b) Jet fuel
	c) Lubricating oil
	d) A flammable liquid

	Liquid cargo loaded or discharged in volume always states a standard temperature of:
	a) 60deg.F
	b) 50deg.F
	c) 78deg.F
	d) 72deg.F

	Green label cargo indicate:
	a) Explosives
	b) Corrosive liquids
	c) Non-flammable compressed gas
	d) Poison

	A petroleum liquid with a flash point of 83deg.F would be:
	a) Combustible grade E
	b) Combustible grade D
	c) Flammable grade A
	d) Flammable grade B

	The advantage of a container vessel over a conventional freighter is all but:
	a) Flexibility
	b) Saves stevedore’s fee
	c) Quick turn around
	d) Quicker to load and discharge

	The lowest temperature required to cause self-sustained combustion of a substance independent of any out source of ignition is:
	a) Explosive range
	b) Flash point
	c) Ignition temperature
	d) Combustion temperature

	Which of the following is the main purpose of ventilating holds with cargo?
	a) To prevent air condensation
	b) To prevent gas accumulation
	c) Both a and b
	d) Non of these

	When carrying bulk grains, what should you observe to minimize cargo shifting effects?
	a) Leave some compartment partially full.
	b) Level all grains free surface.
	c) Leave at least half of cargo compartment partially full.
	d) Pump out all ballasts.

	Hygroscopic cargo is defined as:
	a) Cargo in a liquid state.
	b) Cargo igniting when in contact with water.
	c) Capable of giving of moisture in the form of liquid
	d) Capable of absorbing moisture in the form

	Which of the following operations may cause the pressure in an inerted tank to fall below prescribe limit?
	a) Crude oil washing
	b) Discharging
	c) Streaming tanks
	d) Loading

	The main advantage of the use of unitized cargo system such as preslinging, palletization, containerization is:
	a) Cleaner operation
	b) Avoid shifting of cargo at sea
	c) Cost reduction in terms of cargo operation
	d) None of these

	A petroleum liquid is said to be a Grade D combustible liquid when its flash point is:
	a) Less than 80deg.F
	b) 80deg.F or below
	c) Above 80deg.F but below 150deg.F
	d) Above 80deg.F

	Which of the following values offer the least resistance to flow when fully opened?
	a) Butterfly valve
	b) Gate valve
	c) Relief valve
	d) Non-return value

	When a tanker is partially loaded, gas formation in the cargo tanks is due to:
	a) Surface area
	b) Compressed area
	c) Draft
	d) Increased buoyancy

	The primary hazards in transporting LPG and LNG is:
	a) Pressure
	b) Toxicity
	c) Temperature
	d) Flammability

	Which of the following is strictly forbidden when handling bagged cargoes?
	a) Storage nets
	b) Straps or slings
	c) Rope slings
	d) Hooks

	Once a bulk carrier flood hold has been pumped out prior to commencement of loading, what precaution should be taken?
	a) Flood hold should not be loaded.
	b) No special precaution is needed.
	c) Properly cover all wells to protect both ballast and pumping system.
	d) Remove flanges which should be installed in the next discharging.

	A flammable liquid is any liquid that gives off flammable vapors at or below a temperature of:
	a) 60deg.F
	b) 80deg.F
	c) 100deg.F
	d) 212deg.F

	The tendency of a flammable liquid to vaporize is indicated by its:
	a) Flash point
	b) Ignition temperature
	c) Convection index
	d) Flammable range

	Damage to cargo caused by fumes or vapor from liquid. Gases or solid is called:
	a) Tainting
	b) Vaporization
	c) Oxidation
	d) Contamination

	When a pump during discharging operation is cavitating, what should you do?
	a) Shut down the pump.
	b) Close down the valve located on the discharge line.
	c) Open all valves located in the cargo line.

	A heterogeneous cargo can be described as:
	a) General cargo
	b) A mixture of cargoes with different densities
	c) Either a or b
	d) Neither a nor b

	What specific consideration should be taken into account when stowing heavy pieces aboardship
	a) The availability of lashing points.
	b) The resistance of the hold deck, tween deck or deck.
	c) Both a and b
	d) Neither a nor b

	By regulation, a cargo tank must be inerted before and during what operation?
	a) Loading
	b) Stripping
	c) Cleaning
	d) Crude oil washing

	If the hold’s air dew point is higher than the outside air dew point:
	a) Ventilation will contaminate the cargo.
	b) Holds maybe ventilated as there is no risk of condensation
	c) Holds should not be ventilated as there is condensation.
	d) None of these.

	Safety is increased if:
	a) Extra line and wire are laid on deck for emergency.
	b) Power tools are kept plug for immediate use.
	c) Spare parts are kept on deck for ready access.

	Tankers should carry cargo hose that can withstand a pressure of at least:
	a) 100 psi
	b) 120 psi
	c) 75 psi
	d) 150 psi

	Cargoes that are susceptible to leak from containers are:
	a) Wet cargo
	b) Dirty cargo
	c) Caustic cargo
	d) Bulk cargo

	Where should cargoes which by their nature could contaminate other cargoes aboard be stowed?
	a) In the same hold but separated from each other by dunnage.
	b) In the same hold compartment but separated by a drainage.
	c) In a separate hold compartment not sharing a common ventilation.
	d) In the same hold compartment and with constant air ventilation.

	The following products are volatile except:
	a) Benzene
	b) Heavy fuel oil
	c) Coal tar
	d) Diesel fuel

	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:
	a) Shut down the intake blowers.
	b) Ventilate cargo holds.
	c) Secure all ventilation.
	d) Shut down exhaust blowers.

	What is the advantage of transporting gas under refrigeration?
	a) Less product per volume.
	b) It reduces its volume.
	c) It increases its volume.
	d) It freezes while in transit.

	Which of the following is classified as a combustible liquid?
	a) Ethyl alcohol
	b) Tetraethyline glycol
	c) Acetaldehyde
	d) Carbon tetrachloride

	Dunnage primary use is to protect cargo from damage due to:
	a) Hygroscopic absorption
	b) Inherent vice
	c) Tainting
	d) Ship’s sweat

	In accidental pollution, the most critical time during bunkering is when:
	a) You first start to receive the fuel.
	b) Hoses are being disconnected.
	c) Final topping off is occurring.
	d) Hoses are being blown.

	What will happen if the flash point of kerosene which is 100deg.F be heated above 110deg.F?
	a) Burn and explode.
	b) Less volatile and easier to handle.
	c) Boil off to atmosphere.
	d) Nothing

	An inert gas system installed on tankers is designed for:
	a) Lower oxygen level inside the cargo tanks making explosion remote.
	b) Aid in stripping and cleaning of tanks.
	c) Force toxic and explosive fumes from a cargo tank.
	d) Increase rate of discharge.

	What is a “ SPECIAL CARGO”?
	a) Cargo that gives off toxic gas when heated.
	b) Periodic check is required while on board.
	c) It has a high value that pilferage is tempting.
	d) It must be stowed on deck.

	The effect of a heated bulkhead on a hygroscopic commodity is:
	a) Raise vapor pressure of the commodity.
	b) Lower vapor pressure of the commodity.
	c) Cause moisture to accumulate against the bulkhead.
	d) Lower the dew point.

	“Black powder” would be classified as:
	a) Explosive A
	b) Corrosive
	c) Explosive B
	d) Explosive C

	“Anhydrous ammonia” would have what label?
	a) Non-inflammable gas
	b) Yellow
	c) Corrosive
	d) Green gas

	All ullage holes on a tanker’s cargo tanks are required to be fitted with:
	a) Approved flame screens
	b) Approved flame arrestors
	c) Pressure relief valves
	d) Pressure-vacuum relief valves

	A hose is found to be leaking while loading liquid cargo. You stop cargo operations. What must be done first in order to resume the cargo operation?
	a) Patch the hose.
	b) Notify the dock.
	c) Replace the hose.
	d) Reduce the speed of the cargo pumps.

	During loading/unloading and stowing/break bulk operations, the ship officer in-charge should see to it that the cargo is being handled following.
	a) The orders received from the shipper.
	b) The directions issued by himself.
	c) The orders from the cargo receiver.
	d) The orders from the stevedores.

	The shipowner is subjected to claim if the cargo damage has been caused by the failure of the ship officer to:
	a) Ensure the fitness and safety of cargo space.
	b) Ensure adequate packaging.
	c) Detect latent defect on cargo.
	d) None of these.

	When work is finished for the day, the cargo officer must see that all hatch coverings are:
	a) In place
	b) Water tight
	c) Secured
	d) All of the above

	Used to classify cargo for speedy discharge.
	a) Forklift
	b) Port marks.
	c) Cargo numbers

	What equipment used to prevent grain in a slack grain hatch from reaching an angle of repose?
	a) Level dunnage with wire straps
	b) Shifting boards
	c) Level dunnage with compatible cargo
	d) Side batten

	The process of using timbers to secure cargo by running the timber from an upper support down to the cargo either vertically or at an angle is called:
	a) Tomming
	b) Shoring
	c) Dunnaging
	b) Pracing

	An inert gas system installed on tankers is designed for:
	a) Force toxic and explosive fumes from a cargo tank.
	b) Increasing rate of discharge
	c) Aid in stripping of tanks
	d) Lower oxygen level inside cargo tanks making them explosion free.

	Used for bagged goods in preference to rope slings:
	a) Canvass slings
	b) Wire slings
	c) Cargo nets
	d) Conveyor

	The maximum angle at which grain, coal or other products loaded in bulk will retain their form or remain in a heap.
	a) Angle of inclination
	b) Angle of trim
	c) Angle of list
	d) Angle of repose

	A gas or mixture of gases incapable of supporting combustion.
	a) Inert gas
	b) Gas vapor
	c) Fumes
	d) Oxygen

	The connection of metal plates to ensure electrical continuity from ship to shore.
	a) Welding
	b) Bonding
	c) Charging
	d) All of the above

	The process of replacing foul air in any of the ship’s compartment with pure air.
	a) Purging
	b) Ventilating
	c) Refrigerating
	d) Purifying
	Under International Maritime Dangerous Good Code, explosives are classified as:
	a) Class 1
	b) Class 2
	c) Class 3

	One barrel is equivalent to:
	a) 42 US gallons at 60deg.F
	b) 40 US gallons at 50deg.F
	c) 43 US gallons at 65deg.F
	d) 45 US gallons at 75deg.F

	Which of the following is a wet cargo?
	a) A canned or bottled liquid such as beer
	b) A cargo that contains hygroscopic moisture
	c) A cargo particularly susceptible to damage by moisture
	d) A liquid cargo in the deep tanks

	If you are bunkering and you close off one tank in the line of tanks being filled, the rate of flow to the other open tanks on the same line will:
	a) Decrease
	b) Stop
	c) Increase
	d) Remain constant

	Ullages on tankers are measured from the:
	a) Bushing
	b) Above deck datum
	c) Thievage mark
	d) Tank ceiling

	What is meant by “thieving” a petroleum cargo?
	a) Reducing the gross cargo calculations to net amounts.
	b) Siphoning off a few barrels of petroleum cargo for shipboard use.
	c) Adjusting the cargo figures to coincide with the draft.
	d) Determining the amount of water (in any) in each cargo tank.

	Oil product samples should be taken from the:
	a) Dock riser
	b) Ship’s cargo tanks
	c) Shore tank discharge
	d) All of these

	The flammable limits for motor gasoline are:
	a) 1.4% to 7.6% mixture in air
	b) 5.0% to 7.0% mixture in air
	c) 2.5% to 9.8% mixture in air
	d) 0.9% to 5.9% mixture in air

	Bunker C and fuel oils are known as:
	a) Soluble oils
	b) Slop oils
	c) Cutting oils
	d) Viscous oils

	The water which accumulate at the tank bottoms in the form of leftover ballast, tank washings and condensation is measured by the process of:
	a) Thieving
	b) Sounding
	c) Ullaging
	d) Dipping

	The standard temperature from which to calculate the net amount of oil in a tank is at:
	a) 45deg.F
	b) 60deg.F
	c) 32deg.F
	d) 15deg.F

	Spills are caused by:
	a) Broken hose
	b) Improper line-up
	c) Gravitation
	d) All of the above

	The vertical distance measured from the tank bottom to the liquid surface is called:
	a) Innage
	b) Ullage
	c) Thiefage
	d) Thievage

	A centrifugal pump must be primed to:
	a) Overcome pressure of water in the discharge line
	b) Lubricate the shaft seals
	c) Lift water level to impellers
	d) Make the pressure equal to discharge pressure

	When ballasting through the cargo system, the main objective is to prevent oil in the line from escaping. The first thing to do is to:
	a) Start the pump
	b) Open the sea valves
	c) Open the tank valves
	d) Any of the above

	Begins when the tank is about 60% empty.
	a) Bottom wash
	b) Middle wash
	c) Top wash
	d) Deck wash

	Begins when the tank s almost completely empty.
	a) Top wash
	b) Bottom wash
	c) Middle wash
	d) Deck wash

	When seawater is pumped into cargo tanks, it inevitably washes oil from the tank surfaces. The resultant oil-water mixture is called:
	a) Dirty ballast
	b) Ballast water
	c) Oily ballast
	d) Oil-water ballast

	Which statement is correct regarding Segregated Ballast Tanks?
	a) Oil cargo are separated from ballast by using different pumps.
	b) Ballast and oil are loaded into different tanks.
	c) Ballast tanks incorporate a completely separate system of pumps and pipelines for clean ballast
	d) None of these

	It is condensation which forms on all surfaces and on all goods in compartment or hold due to the inability of cool air to hold in suspension as much water vapor as warm air.
	a) Sweat
	b) Eddy
	c) Dew
	d) Humidity

	During discharging, it is very important to prevent cargo from falling directly into the water by using:
	a) Rope sling
	b) Wire sling
	c) Cargo net
	d) Pallets

	Broken stowage means:
	a) Loss of cargo
	b) Lost in space
	c) Damage to cargo
	d) All of the above

	The number of cubic feet which one ton (2240 lbs.) of goods, with the necessary dunnage, occupies in the ship’s cargo space.
	a) Stowage factor
	b) Broken stowage
	c) Cubic capacity
	d) Deadweight capacity

	Which of the following is/are the source/s of moisture in the air of a cargo hold?
	a) Condensation or “sweat”
	b) Presence of wet cargo
	c) Spontaneous heating of certain goods
	d) All of the above

	The volume of bulk grain which fills cargo space in question, expressed in cubic feet.
	a) Measurement ton
	b) Bale cubic
	c) Grain cubic
	d) Deadweight capacity

	A volume unit of 40 cu. ft. used in computing freight changes.
	a) Measurement ton
	b) Deadweight ton
	c) Registered ton
	d) Net ton

	The volume of a full load of bales or cases in a given compartment, as measure inside the spar ceiling.
	a) Grain cubic
	b) Measurement ton
	c) Bale cubic
	d) Deadweight ton

	The term in marking shipping containers which means weight of container only.
	a) Tare
	b) Gross
	c) Net
	d) None of these

	The term used in marking shipping containers which means total weight of container and contents.
	a) Gross weight
	b) Net weight
	c) Tare weight
	d) Deadweight

	The term used in marking shipping containers which means weight of contents only.
	a) Gross
	b) Net
	c) Tare
	d) Any of the above

	What stowage must be provided for fibers of animal or vegetable origin that have been involve fire or that have been wet?
	a) Lower hold stowage
	b) Tween deck stowage
	c) Engine room stowage
	d) Deck stowage

	All of the following are the uses of dunnage EXCEPT:
	a) To protect cargo from contact with leakage from other goods.
	b) To prevent chaffing by chocking off from stanchions, web frames, etc.
	c) Gives additional freight to the shipowner.
	d) To provide air courses in the necessary ventilation of cargo.

	The act of regulating the valves when loading through the ship’s lines in completing the which a tank or tanks are to be filled.
	a) Stripping
	b) Topping off
	c) Thieving
	d) Dipping

	In connecting cargo hose, what is the minimum number of bolts permitted at a flanged joint?
	a) Three
	b) Two
	c) Four
	d) Five

	In rigging a wind sail to ventilate oil tanks after cleaning operation, where would you place the end of the canvass duct?
	a) At the top of the tank
	b) At the bottom of the tank
	c) At the middle of the tank
	d) On deck

	The loss of liquid not definitely accounted for, as by leakage or evaporation.
	a) Thiefage
	b) Thievage
	c) Ullage
	d) Innage

	How should the ullage hole in an oil tank be protected when the tank is open and not gas free?
	a) With flame screen
	b) By covering with plywood
	c) With canvass cover
	d) With plastic cover

	Goods having a stowage factor of 40 or less.
	a) Ad valorem cargo
	b) Weight cargo
	c) Measurement cargo
	d) Stowage cargo

	Goods stowage at more than 40 cu. ft. per long ton.
	a) Weight cargo
	b) Ad valorem cargo
	c) Measurement cargo
	d) Stowage cargo

	Goods carried at a freight rate according to their value.
	a) Ad valorem cargo
	b) Weight cargo
	c) Stowage cargo
	d) Measurement cargo

	All of the following are necessary conditions that must be maintained in a refrigerated compartment in order to have a good cargo turnout EXCEPT:
	a) Cleanliness of cargo space
	b) Low relative humidity
	c) Proper s

Дата добавления: 2015-11-04