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The meat box temperature control circuit, as used in ship se

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

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相似问题和答案

第1题：

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 program

B．reasonableness of structure

C．internal logic of a program

D．correctness of a program


正确答案：C
解析：本题考查专业英语应用能力和软件测试方法。软件测试的目的就是在软件系统交付运行之前，尽可能多地发现系统中的错误和缺陷。常用的软件测试方法有黑盒测试与白盒测试方法。其中黑盒测试又称功能测试，它把软件看做一个不透明的黑盒子，完全不考虑(或不了解)软件的内部结构和处理算法，它只检查软件功能是否能按照软件需求说明书的要求正常使用，软件是否能适当地接收输入数据并产生正确的输出信息，软件运行过程中能否保持外部信息(例如文件和数据库)的完整性等。而白盒测试又称结构测试，它的前提是可以把程序看成装在一个透明的白盒子里，测试者完全知道程序的结构和处理算法。这种方法按照程序内部逻辑设计测试用例，检测程序中的主要执行通路是否都能按预定要求正确工作。参考译文：黑盒测试与白盒测试方法是常被使用的软件测试方法，其中自盒测试主要用来测试软件的程序内部逻辑结构。

第2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3题：

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.


正确答案：D
细节题。四个选项所涉及内容在文章第二段都有提及，根据原文，只有选项D(It will not be long before lab meat is available in supermarket．)与原文“The technology has a long way to go before meat could hit supermarkets．”不符，因此选项D为正确答案。

第4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5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6题：

The part of the shipboard electrical system used to control the distribution of power to the branch circuits, is the ______.

A.bridge control panel

B.disconnect links

C.main switchboard

D.governor relay box


正确答案：C

第7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8题：

The mode of control employed by an alarm circuit is a

A.two position control

B.single speed floating control

C.proportional speed floating control

D.reset control


正确答案：A

第9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10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

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