Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited ________.
A.It is required on all vessels
B.It may be located in a conspicuous place in the wheelhouse
C.It may be located at the bilge and ballast pump control station
D.All of the above
第1题:
Which statement is TRUE concerning the flash point of a substance ________.
A.It is lower than the ignition temperature
B.It is the temperature at which a substance will spontaneously ignite
C.It is the temperature at which a substance,when ignited,will continue to burn
D.It is the temperature at which the released vapors will fall within the explosive range
第2题:
Which statement is TRUE concerning deep well self-priming pumps ________.
A.When loading oil cargo,it is always loaded via the discharge line through to the pump until the tank is topped off
B.Stripping systems are generally eliminated for the purposes of cargo handling
C.In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships
D.There is no danger of damaging the pump from overheating
第3题:
Which statement concerning GPS is TRUE ________.
A.It cannot be used in all parts of the world
B.There are 12 functioning GPS satellites at present
C.It may be suspended without warning
D.Two position lines are used to give a 2D fix
第4题:
Which statements concerning the switch construct are true?()
第5题:
The cargo will spontaneously ignite if released to the atmosphere
You must operate this barge as a lead barge
The barge should be spotted as far away from the towboat as possible
The barge must be in a protected position within the tow
第6题:
Each vessel should show sidelights
Each vessel should show at least one white light
The barges should be lighted as separate units
The barges should be lighted as one vessel
第7题:
The catenary in a hawser should be sufficient so that the hawser just touches the bottom
The hawser is of sufficient length for towing when taut between tug and tow
Increasing speed usually increases the catenary in the hawser
Shortening the tow hawser generally decreases the maneuverability of the tug
第8题:
It is required on all vessels
It may be located in a conspicuous place in the wheelhouse
It may be located at the bilge and ballast pump control station
All of the above
第9题:
A flammable gas detection system must be installed in each cargo pump room
Tanks may not be located on deck
Carriage of this cargo is authorized by issuance of an IMO Certificate
Aluminum and copper alloys are prohibited from being in valve parts in contact with the cargo
第10题:
The oil temperature is less than the cooling water temperature
The oil pressure is less than the cooling water pressure
The oil pressure is greater than the cooling water pressure
The oil flow control valve is always installed in the oil input line
第11题:
They are heavier than air and will settle in the lowest part of the vessel
They are lighter than air and will settle in the highest part of the vessel
They should be vented into the engine to improve combustion
They should be vented into the wheelhouse
第12题:
The discharge is slow due to the size of the cargo and all the cranes working together
The cargo discharge can be accomplished with controlled pendulation
The cargo discharge can be performed in port or at anchor
The cranes enable the handling of heavy cargos without shoreside assistance
第13题:
Which statement is TRUE concerning combustible gas indicators ________.
A.One sample of air is adequate to test a tank
B.They do not work properly where there is a lack of oxygen
C.They will detect a lack of oxygen
D.They are calibrated to read the percentage chance of explosion
第14题:
Which statement is TRUE concerning inert gas systems on tankers ________.
A.Flue gases from the ship's boilers are used in some systems
B.The gas is helium
C.Using the system accelerates the rusting of the tanks
D.All of the above
第15题:
Which statement is TRUE of a gasoline spill ________.
A.It is visible for a shorter time than a fuel oil spill
B.It is not covered by the pollution laws
C.It does little harm to marine life
D.It will sink more rapidly than crude oil
第16题:
The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles.
If the vessel was on coastwise articles,the record of discharge will be made in the Official Logbook.
An entry should be made in the book and a Certificate of Discharge issued to the seaman.
A Certificate of Discharge form should be attached to the book
第17题:
Do not exceed rated load capacity of crane and container spreader or slings
During any cargo handling operation,the safety of personnel is paramount
Cargo handlers must be outfitted with adequate protection from personal injury
All the above
第18题:
It is a sailing maneuver which brings the vessel's head through the wind
It connects the boom to the mast and allows the boom to swing freely
It is a sailing condition where there is a loss of air flow over the sails
None of the above
第19题:
They are particularly suited for pumping high viscosity fluids
They are started with the discharge valve opened
The flow of liquid is developed by imparting energy due to the rotation of an impeller
They are always mounted in a horizontal position
第20题:
Nowadays teamwork is a popular concept.
All the companies put great emphasis on teams.
A good team involves close supervision of the team leader.
There’s nothing in common between a team and a group.
第21题:
Contamination of the lube oil by emulsification will result
The lube oil will not be subjected to the proper centrifugal force
The lube oil will overheat and flash
Oil will discharge from the heavy phase discharge port and be wasted
第22题:
They must be released by freeing a safety shackle
They should not be released until the boat is in lowering position
They may be adjusted by a turnbuckle
They are normally used only with radial davits
第23题:
The light comes on at sunset
There is an emergency light if the main light is extinguished
The height of the light is 24 feet
The tower is painted with black and white stripes