单选题The meat box temperature control circuit, as used in ship service refrigeration system, is an example of （）A two position controlB signal speed floating controlC proportional controlD reset control

题目
单选题
The meat box temperature control circuit, as used in ship service refrigeration system, is an example of （）
A

two position control

B

signal speed floating control

C

proportional control

D

reset control

相似考题

1.Which of the following is NOT true_________?A． People may have more healthful food at McDonald's.B． Scientists can control levels and types of substances to grow meat in labs.C． Lab meat is less likely to be polluted like other kinds of meat.D． It will not be long before lab meat is available in supermarkets.

2.Black-box and white-box testing method ale often used in software testing phase, in which, the white-box is mainly used to test software's(73).A．external function of a programB．reasonableness of structureC．internal logic of a programD．correctness of a program

3.The part of the shipboard electrical system used to control the distribution of power to the branch circuits, is the ______.A.bridge control panelB.disconnect linksC.main switchboardD.governor relay box

4.The mode of control employed by an alarm circuit is aA.two position controlB.single speed floating controlC.proportional speed floating controlD.reset control

参考答案和解析
正确答案： C
解析： 暂无解析
更多“The meat box temperature control circuit, as used in ship se”相关问题

  • 第1题：

    The meat box temperature control circuit, as used in the ship service refrigeration system, is an example of ______.

    A.two position control

    B.single speed floating control

    C.proportional(比例) control

    D.reset control


    正确答案：A

  • 第2题：

    Which of the following statements is TRUE regarding automatic identification systems（AIS）________．

    A.AIS cannot be used to make passing arrangements because the system is not capable of this type of ship-to-ship communications

    B.AIS cannot be used to make passing arrangements because the ship-to-ship text messaging feature is for emergency use only

    C.AIS can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone

    D.AIS can be used to make passing arrangements via ship-to-ship text massaging thus relieving a vessel operator from making such arrangements via bridge-to-bridge radiotelephone or signaling intent to pass via whistle signals


    正确答案：C

  • 第3题：

    为了在运行时能显示窗体左上角的控制框（系统菜单），必须（）。

    • A、把窗体的Control Box属性设置为False，其他属性任意
    • B、把窗体的Control Box属性设置为True，并且把Border Style属性设置为数值1到5之一
    • C、把窗体的Control Box属性设置为False，同时把Boder style属性设置为非0值
    • D、把窗体的Control Box属性设置为True，同时把Boder Style属性设置为0值

    正确答案:B

  • 第4题：

    单选题
    用于船舶的主要油漆是底漆，内层漆和面漆。（）
    A

    The basic types of paint used on a ship are primer, undercoat and topcoat.

    B

    The basic types of paint used on a ship are topside paint, undercoat and top coat.

    C

    The basic types of paint used on a ship are boottopping, topside and undercoat.

    D

    The basic types of paint used on a ship are cement wash, undercoat and topside.


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    （）on board ship are used to control and distribute the electrical energy generated by generators.
    A

    Governors

    B

    Alternators

    C

    Blackboards

    D

    Switchboards


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    A re-heater, as used in an air conditioning system, is designed to control the （）
    A

    chilled water temperature

    B

    dew point temperature

    C

    primary air temperature

    D

    dry bulb temperature


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following statements is correct concerning a typical shipboard multi-coil refrigeration system?（）
    A

    The liquid receiver functions to collect and remove non-condensable gases

    B

    A thermostatic expansion valve is used to control refrigerated space temperature

    C

    Refrigerant temperature in an evaporator is directly related to refrigerant pressure

    D

    Dehydrators must be used continuously in a refrigeration system


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
    A

    double bottom fuel oil tank temperature

    B

    heater supply steam flow

    C

    pressure of the fuel supplied to the burners

    D

    attemperator steam flow in the heater discharge circuit


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Compressed air is used on board ship for all the following purposes except （）.
    A

    starting diesel engines

    B

    pneumatic control systems

    C

    pneumatic tools

    D

    supercharging air


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    A solenoid valve used in a refrigeration system should be installed （）.
    A

    with the axis of the solenoid horizontal, sensing temperature of the box, and upstream of the thermal expansion valve

    B

    upright, sensing temperature of the box, and upstream of the thermal expansion valve

    C

    upright, sensing temperature of the box, and downstream of the thermal expansion valve

    D

    upright, sensing heat of the tail coil, and upstream of the thermal expansion valve


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    Thermostatic expansion valves can be adjusted for （）.
    A

    suction pressure only

    B

    head pressure only

    C

    superheat only

    D

    suction pressure and box temperature


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    The meat box temperature control circuit, as used in ship service refrigeration system, is an example of （）
    A

    two position control

    B

    signal speed floating control

    C

    proportional control

    D

    reset control


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Logbooks are used to record the events occurring when ______.

    A.the ship is in a harbor

    B.the ship is at anchorage

    C.the ship is underway

    D.all of the above


    正确答案：D

  • 第14题：

    用于船舶的主要油漆是底漆，内层漆和面漆。（）

    • A、The basic types of paint used on a ship are primer, undercoat and topcoat.
    • B、The basic types of paint used on a ship are topside paint, undercoat and top coat.
    • C、The basic types of paint used on a ship are boottopping, topside and undercoat.
    • D、The basic types of paint used on a ship are cement wash, undercoat and topside.

    正确答案:A

  • 第15题：

    RG-6 coaxial cable is typically used in all of the following applications：（）

    • A、multi-room audio， telephone， intercom and temperature control.
    • B、thermostat， CCTV， smoke detectors and keypads.
    • C、home theater， lighting control and multi-room audio.
    • D、video， digital cable， and satellite applications.

    正确答案:D

  • 第16题：

    单选题
    Each EPIRB required on a ship shall be tested using the integrated test circuit and output indicator every（）.
    A

    week

    B

    two weeks

    C

    month

    D

    two months


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    Logbooks are used to record the events occurring when（）.
    A

    the ship is in a harbor

    B

    the ship is at anchorage

    C

    the ship is underway

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    A circuit that has one wire in contact with the hull of the ship is a（）
    A

    series circuit

    B

    grounded circuit

    C

    short circuit

    D

    closed circuit


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    The mode of control employed by an alarm circuit is a （）
    A

    two position control

    B

    signal speed floating control

    C

    proportional speed floating control

    D

    reset control


    正确答案： C
    解析： 暂无解析

  • 第20题：

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

    AIS may be used to make passing arrangements via ship-to-ship text messaging thus relieving a vessel operator from sounding whistle signals or making contact via radiotelephone

    B

    AIS may be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is still required to sound whistle signals unless the arrangement is made via radiotelephone

    C

    AIS cannot be used to make passing arrangements because the system does not have the ability to communicate from ship-to-ship in this manner

    D

    AIS cannot be used to make passing arrangements because the use of the ship-to-ship text messaging feature in this way is prohibited


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following methods is normally used to control the temperature of air distributed from individual cooling coils in an air conditioning system using a chilled water circulation system?（）
    A

    A room thermostat activates an electric heater at each individual chilled air outlet when necessary

    B

    Varying the number of passes the air makes across the coils

    C

    Varying the temperature of the water through the coils

    D

    Varying the quantity of water flowing through the coils


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Compensated flow control or constant flow valves are used in hydraulic systems to（）
    A

    compensate for major leaks in the system

    B

    maintain the original fluid viscosity

    C

    allow for changes in pressure and temperature within the system

    D

    assure constant fluid temperature


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    The shear rams of a ship blowout preventer stack are used in emergency well control to（）.
    A

    close and seal around the drill pipe

    B

    close and seal around casing

    C

    cut off pipe inside the preventer stack

    D

    close and seal around drill collars


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    When two different metals are joined to form a closed circuit and exposed to different temperatures at their junctions （） which can be used to measure temperature.
    A

    a current will flow

    B

    a power will develop

    C

    a heat will flow

    D

    a pressure will produce


    正确答案： B
    解析： 暂无解析

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