Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?A.A shortage of liquid refrigerant.B.Excessive frost on the evaporator.C.Excessive condenser cooling water.D.Insufficient con

题目

Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?

A.A shortage of liquid refrigerant.

B.Excessive frost on the evaporator.

C.Excessive condenser cooling water.

D.Insufficient condenser cooling water flow.

相似考题

1.●试题三阅读下列函数说明和C代码，将应填入(n)处的字句写在答题纸的对应栏内。【说明】函数move(int*a，int n)用于整理数组a［］的前n个元素，使其中小于0的元素移到数组的前端，大于0的元素移到数组的后端，等于0的元素留在数表中间。令a［0］~a［low-1］小于0(初始为空)；a［low］~a［i-1］等于0(初始为空)；a［i］~a［high］还未考察，当前考察元素为a［i］。a［high+1］～a［n-1］大于0(初始为空)。【函数】move(int*a，int n){int i，low，high，t；low=i=0；high=n-1；while( (1) )if(a［i］<0){t=a［i］；a［i］=a［low］；a［low］=t；(2) ；i＋＋；}else if( (3) ){t=a［i］；a［i］=a［high］；a［high］=t；(4) ；}else (5) ；}

2.The door was ( ) shut, but we could still hear their heated discussion loud and ( ).A、closely/ clearlyB、closely/ clearC、close/ clearlyD、close/ clear

3.You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following

4.Which of the listed pressure control valves would be used to establish the maximum operating pressure of a hydraulic system?A.Pressure-reducing valveB.Unloading valveC.Counterbalance valveD.Pressure-relief valve

更多“Which of the following problems could cause the high pressure cutout switch to shut down t ”相关问题

  • 第1题：

    In order to()handling and shipping expenses as()as possible, we suggest that you ship the large order in containers.

    A、cut down⋯much

    B、cut out⋯much

    C、subtract⋯low

    D、decrease⋯high


    参考答案：A

  • 第2题：

    对切换候选小区做PBGT过滤时,参数HO_MARGIN_QUAL(0,n)是对哪类切换触发原因的小区做过滤()

    A.Cause2

    B.Cause4

    C.Cause7

    D.Cause15


    参考答案：A, B, C

  • 第3题：

    对于环境已经恶化的区域，更适合采用state-pressure-response框架制定管理指标体系（）For an area where the environment has deteriorated, the State-Pressure-Response framework will be more suitable for the development of its management index system（）


    C答案：C优化开发区域是指国土开发密度已经较高、资源环境承载能力开始减弱的区域。

  • 第4题：

    进行快速话务切换的条件是()

    A.AV_RXLEV_NCELL（n）>L_RXLEV_NCELL_DR（n）+max（0，[MS_TXPWR_MAX（n）-P]）

    B.空闲TCH数目t（n）>FREElevel_DR（n）

    C.EN_CAUSE_28=enable

    D.Traffic_load（n）<>high


    参考答案：A, B, C

  • 第5题：

    I__________have been there,but I__________not find the time.

    A.should；would
    B.should；could
    C.might；could
    D.could；could

    答案：B
    解析：
    考查情态动词的用法。句意为：“我本应该去那里，但我没时间。”should have done表示“过去本应做的事而实际上并没有做”，常含有责备、遗憾的语气。

  • 第6题：

    对于环境已经恶化的区域，更适合采用（）制定指标 For regions where the environment has been deteriorated, it is more appropriate to adopt （） for indicator settlement

    A．pressure-state-response框架 The pressure-state-response framework

    B．state-pressure-response框架 The state-pressure-response framework

    C．response-pressure-state框架 The response-pressure-state framework

    D．response-state-pressure框架 The response-state-pressure framework


    细嫩

相关内容