Which statement is correct concerning the carriage of coal in bulk ________.A.Coal should be vented with surface ventilation onlyB.Because of its inherent vice,coal should not be loaded wetC.Dunnage should be placed against ship's sides and around stanchi

题目

Which statement is correct concerning the carriage of coal in bulk ________.

A.Coal should be vented with surface ventilation only

B.Because of its inherent vice,coal should not be loaded wet

C.Dunnage should be placed against ship's sides and around stanchions

D.Through ventilation,as well as surface ventilation,should be provided whenever possible


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  • 第1题:

    Which statement concerning current is TRUE ________.

    A.Current can be determined by measuring the direction and distance between simultaneous EP and DR positions

    B.The drift of the current should be averaged out on a one hour basis

    C.After the current is determined,it should not be used for further plotting because it is an unknown variable

    D.The distance between a simultaneous DR position and fix is equal to the drift of the current


    正确答案:B

  • 第2题:

    Which statement concerning the application of dry chemical powder is FALSE ________.

    A.At temperatures of less than 32℉,the extinguisher must be recharged more often

    B.When possible,the fire should be attacked from windward

    C.The stream should be directed at the base of the fire

    D.Directing the stream into burning flammable liquid may cause splashing


    正确答案:A

  • 第3题:

    Which of the following is not included in dry bulk cargo?()

    • A、Grains.
    • B、Iron ore.
    • C、Cotton.
    • D、Coal.

    正确答案:C

  • 第4题:

    单选题
    Which statement concerning the collection of fresh water is FALSE?()
    A

    Fresh water may be obtained from fish

    B

    lifeboat covers or canopies should be washed with rain before drinking water is collected

    C

    Fresh water may be collected from condensation inside the life-raft

    D

    Freshwater cannot be produced from standing seawater


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    Which of the following statements concerning butterfly valves is correct?()
    A

    Special tools are required for lapping or grinding

    B

    It is impossible to throttle flow with a butterfly valve

    C

    To close the valve, it is only necessary to turn the handle a quarter of a turn

    D

    The butterfly valve should never be used in a freshwater system


    正确答案: C
    解析: 暂无解析

  • 第6题:

    单选题
    Which statement concerning the carriage of containers is TRUE?().
    A

    The Chief Mate and Master of a container ship should have the proposed stowage plan ready for the stevedore upon arrival in port

    B

    When stowed on deck of a break bulk ship,the bottom of the container must be evenly supported throughout

    C

    With tiered containers,a 40-foot container may be stowed on top of two 20-foot containers

    D

    Deck load calculations must take into account the square footage of the entire container bottom


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    If the situation arose where it became necessary to tow a disabled vessel,which statement is TRUE concerning the towing line?().
    A

    The towing line between the two vessels should be clear of the water

    B

    The towing line should be taut at all times between the vessels

    C

    There should be a catenary so the line dips into the water

    D

    None of the above


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE? ()
    A

    Stack weights should be less when using a solid bar lashing as compared to a wire lashing

    B

    Stack heights may be increased when using a solid bar lashing

    C

    Stack heights should be reduced when using a solid bar lashing

    D

    Solid bars should be used for lashing the first tier only,with wire lashings on the higher tier(s)


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    Concerning the management of sewage treatment plant using activated sludge, which of the following is correct?()
    A

    the plant should be prohibited to supplying air

    B

    the plant should work at intervals

    C

    the plant should be added disinfector in time

    D

    we should check strength of activated sludge, ivory-white color is best


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    Which statement is TRUE concerning gasoline vapors on board a vessel().
    A

    They are heavier than air and will settle in the lowest part of the vessel

    B

    They are lighter than air and will settle in the highest part of the vessel

    C

    They should be vented into the engine to improve combustion

    D

    They should be vented into the wheelhouse


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Which statement is FALSE concerning precautions during fueling operations?()
    A

    All engines,motors,fans,etc. should be shut down when fueling

    B

    All windows,doors,hatches,etc. should be closed

    C

    A fire extinguisher should be kept nearby

    D

    Fuel tanks should be topped off with no room for expansion


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    Which statement concerning current is TRUE().
    A

    Current can be determined by measuring the direction and distance between simultaneous EP and DR positions

    B

    The drift of the current should be averaged out on a one hour basis

    C

    After the current is determined,it should not be used for further plotting because it is an unknown variable

    D

    The distance between a simultaneous DR position and fix is equal to the drift of the current


    正确答案: B
    解析: 暂无解析

  • 第13题:

    You are scheduled to load a bulk shipment of steel turnings.Which statement is TRUE ________.

    A.The primary hazard of this cargo is that it is subject to spontaneous heating and ignition

    B.The shipping papers should describe this cargo as Waste,Steel Borings

    C.After loading,you may not sail if the temperature in each hold of steel turnings exceeds 54℃

    D.This cargo may not be transported in bulk unless a special permit is issued by the competent authorities


    正确答案:D

  • 第14题:

    All the holds and other parts of the ship in which cargo is to be stowed should be ______ for the carriage.

    A.comfortable

    B.suitable

    C.stable

    D.Favorable


    正确答案:B
    所有货舱以及其他存放货物的一些区域必须适合运输。

  • 第15题:

    单选题
    Which of the following statements concerning cargo is correct?()
    A

    Cargoes are any type of goods transported by any type of ships

    B

    Cargoes are goods transported in bulk

    C

    Cargoes usually include goods transported in bulk and in containers

    D

    Cargoes are usually packaged in containers


    正确答案: D
    解析: 暂无解析

  • 第16题:

    单选题
    When considering a vessel’s stability,which spaces in a general cargo vessel are the best locations for the carriage of bulk grain? ()
    A

    Deep tanks

    B

    Lower holds

    C

    Lower holds at the ends of the vessel

    D

    'Tween-decks


    正确答案: B
    解析: 暂无解析

  • 第17题:

    单选题
    Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges().
    A

    Each vessel should show sidelights

    B

    Each vessel should show at least one white light

    C

    The barges should be lighted as separate units

    D

    The barges should be lighted as one vessel


    正确答案: C
    解析: 暂无解析

  • 第18题:

    单选题
    Which general statement concerning radar is FALSE?().
    A

    Raising the antenna height increases the radar range

    B

    The ability of radar to detect objects is unaffected by weather conditions

    C

    Radar bearings are less accurate than radar ranges

    D

    Radar should be checked regularly during clear weather to ensure that it is operating properly


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    Your tanker is designed to carry anhydrous ammonia in bulk.The keel was laid in 1980.Which statement concerning the carriage of this cargo is TRUE().
    A

    A flammable gas detection system must be installed in each cargo pump room

    B

    Tanks may not be located on deck

    C

    Carriage of this cargo is authorized by issuance of an IMO Certificate

    D

    Aluminum and copper alloys are prohibited from being in valve parts in contact with the cargo


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the listed statements is correct concerning the starting of centrifugal pumps?()
    A

    They should always be started with the discharge valve closed

    B

    They should always be started with the discharge valve opened

    C

    A priming pump is always required to flood the impeller suction

    D

    They should always be started with the sealing line valves closed


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    Which statement is TRUE concerning lifeboat gripes?()
    A

    They must be released by freeing a safety shackle

    B

    They should not be released until the boat is in lowering position

    C

    They may be adjusted by a turnbuckle

    D

    They are normally used only with radial davits


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Which statement concerning the collection of fresh water is FALSE?()
    A

    Fresh water may be obtained from fish

    B

    Lifeboat covers or canopies should be washed with rain before drinking water is collected

    C

    Fresh water may be collected from condensation inside the liferaft

    D

    Seawater should never be consumed


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Which statement is TRUE concerning fuel vapors on a vessel().
    A

    Fuel vapors gather in the lowest portions of the vessel

    B

    Fuel vapors can only be ignited by an open flame

    C

    Vent outlets should be located above the level of the carburetor air intake

    D

    None of the above


    正确答案: B
    解析: 暂无解析