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A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?A.When dead in the water,it is often difficult to find the neutral position and slight headway or sternway may resultB.When going directly from full ahead to full aste

题目

A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?

A.When dead in the water,it is often difficult to find the neutral position and slight headway or sternway may result

B.When going directly from full ahead to full astern,there is complete steering control

C.When the vessel has headway and the propeller is in neutral,there is no effect on rudder control

D.When maneuvering in port,full ahead or astern power can usually be obtained without changing shaft RPM


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参考答案和解析
正确答案:A
更多“A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?A. ”相关问题
  • 第1题:

    单选题
    A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?().
    A

    When dead in the water,it is often difficult to find the neutral position and slight headway or sternway may result

    B

    When going directly from full ahead to full astern,there is complete steering control

    C

    When the vessel has headway and the propeller is in neutral,there is no effect on rudder control

    D

    When maneuvering in port,full ahead or astern power can usually be obtained without changing shaft RPM


    正确答案: B
    解析: 暂无解析

  • 第2题:

    单选题
    Concerning the identification signal for a pilot vessel,in fog,which statement is TRUE?()
    A

    When at anchor,the pilot vessel is only required to sound anchor signals

    B

    The identification signal must be sounded any time the pilot vessel is underway

    C

    The pilot vessel may only sound the identity signal when making way

    D

    All of the above


    正确答案: D
    解析: 暂无解析

  • 第3题:

    单选题
    As to the bearing, of the following, which statement is not true?()
    A

    ff overheat is found, the engine must be stopped for inspection

    B

    Much heat of the crankcase door indicates that the bearing is overheated

    C

    If bearing clearance is too large, knocking will be heard in the crankcase

    D

    If bearing clearance is too large or too small, the white metal may be melted


    正确答案: A
    解析: 暂无解析

  • 第4题:

    单选题
    Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation? ().
    A

    You should maintain course and speed

    B

    The container vessel is the stand-on as it is the larger vessel

    C

    You are not to impede the safe passage of the container vessel in the channel

    D

    None of the above


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?()
    A

    You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors

    B

    If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors

    C

    An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats

    D

    Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel


    正确答案: D
    解析: 暂无解析

  • 第6题:

    单选题
    Which statement is true concerning a vessel equipped with operational radar?().
    A

    The Master of the vessel must be on the bridge when the radar is in use

    B

    The radar equipment is only required to be used in restricted visibility

    C

    The use of a radar excuses a vessel from the need of a look-out

    D

    This equipment must be used to obtain early warning of risk of collision


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    Which statement is TRUE concerning the danger signal?().
    A

    When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal

    B

    Only the stand-on vessel can sound the danger signal

    C

    Distress signals may be used in place of the danger signal

    D

    The danger signal consists of 4 or more short blasts of the whistle


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    Your vessel is NOT making way,but is not in any way disabled.Another vessel is approaching you on your starboard beam.Which statement is TRUE().
    A

    Your vessel is obligated to stay out of the way

    B

    The other vessel must give way,since your vessel is stopped

    C

    You should be showing the lights or shapes for a vessel not under command

    D

    You should be showing the lights or shapes for a vessel restricted in her ability to maneuver


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    A fishing vessel is approaching a vessel not under command. Which statement is TRUE? ()
    A

    The fishing vessel must keep clear of the vessel not under command

    B

    If the vessel not under command is a power-driven vessel,she must keep clear of the fishing vessel

    C

    They must exchange whistle signals

    D

    Both vessels are required to take action to stay clear of each other


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    By which of the following means is force efficiently provided to vary the pitch of the blades on a modem controllable pitch propeller?()
    A

    Hydraulic

    B

    Mechanical

    C

    Pneumatic

    D

    Electrical


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    Which statement is TRUE concerning a vessel equipped with operational radar?().
    A

    She must use this equipment to obtain early warning of risk of collision

    B

    The use of a radar excuses a vessel from the need of a look-out

    C

    The radar equipment is only required to be used in restricted visibility

    D

    The safe speed of such a vessel will likely be greater than that of vessels without radar


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Which statement is TRUE,according to the Rules().
    A

    A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver

    B

    A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft

    C

    A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing

    D

    A vessel engaged in fishing while underway shall,so far as possible,keep out of the way of a vessel restricted in her ability to maneuver


    正确答案: D
    解析: 暂无解析

  • 第13题:

    单选题
    Which statement is TRUE concerning a towing vessel which,due to the nature of her work,is unable to keep out of the way of another vessel?()
    A

    By day,she shall carry a black cylinder shape

    B

    By day,she shall carry two black balls in a vertical line

    C

    By night,she would show the same lights as a vessel not under command

    D

    By day,she would show the same shapes as a vessel restricted in her ability to maneuver


    正确答案: D
    解析: 暂无解析

  • 第14题:

    单选题
    Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?().
    A

    The ventilators will automatically close by the action of fusible links

    B

    The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crew

    C

    A water spray system to cool the outside of the boat is operated by a high-volume manual pump

    D

    An air tank will provide about ten minutes of air for the survivors and the engine


    正确答案: D
    解析: 暂无解析

  • 第15题:

    单选题
    Which statement is TRUE in an overtaking situation().
    A

    One vessel is approaching another vessel from more than 20° abaft the beam

    B

    It is the duty of the vessel being overtaken to get out of the way

    C

    Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vessel

    D

    All of the above


    正确答案: A
    解析: 暂无解析

  • 第16题:

    单选题
    Which statement about stopping a vessel is TRUE?()
    A

    A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern

    B

    A vessel is dead in the water when the back wash from astern operation reaches the bow

    C

    A tunnel bow thruster can be used in an emergency to reduce the stopping distance

    D

    When a vessel is dead in the water any speed displayed by doppler log reflects the current


    正确答案: B
    解析: 暂无解析

  • 第17题:

    单选题
    Which statement is TRUE of a stiff vessel? ()
    A

    She will have a large metacentric height

    B

    Her period of roll will be large due to her large metacentric height

    C

    She will have an unusually high center of gravity

    D

    She will pitch heavily


    正确答案: C
    解析: 暂无解析

  • 第18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19题:

    单选题
    Which statement is TRUE concerning the gooseneck().
    A

    It is a sailing maneuver which brings the vessel's head through the wind

    B

    It connects the boom to the mast and allows the boom to swing freely

    C

    It is a sailing condition where there is a loss of air flow over the sails

    D

    None of the above


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? ()
    A

    Slightly higher fuel consumption

    B

    Lack of directional control when backing

    C

    Inefficient at high shaft RPM

    D

    Some unusual handling characteristics


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?().
    A

    The vessel has negative GM

    B

    The center of gravity is on the centerline

    C

    The list can be corrected by reducing KM

    D

    The vessel has asymmetrical weight distribution


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Which of the following statements is TRUE regarding automatic identification systems (AIS)? ()
    A

    AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position and other safety related information to similarly equipped vessels,aircraft and shore stations within the area

    B

    AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position and other safety related information to similarly equipped vessels,aircraft and shore stations within the area

    C

    AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position and other safety related information frequently to similarly equipped vessels,aircraft and shore stations within the area

    D

    AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position and other safety related information to similarly equipped vessels,aircraft and shore stations within the area


    正确答案: B
    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