工学
问答题简述变风量系统（Variable Air Volume VAV）
题目
参考答案和解析
有单风道、双风道、风机动力箱式和诱导器式四种形式；
相似问题和答案
第1题：
Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?
A.Age of vehicle or cargo unit
B.Size and weight of vehicle/cargo unit
C.Reputation of shipper concerning condition of cargo
D.Air pressure in the vehicles tires
第2题：
VAV系统末端装置比较常见的有（）。
- A、普通型VAV末端装置
- B、专用型VAV末端装置
- C、再热型VAV末端装置
- D、风机型VAV末端装置
正确答案:A,C,D
第3题：
______ is the address of a variable or a variable in which the address of another variable is stored.
A．Director
B．Pointersystem
C．Array
D．Record
解析：译文的含义是：()是一个变量的地址或存储了其他变量地址的变量。A、B、C、D各选项的意思分别是：控制器、指针、数组、记录。很明显，题目描述的是指针，所以应该选择B。
第4题：
VLSM的含义是（）
- A、Variable Length Subnet Masking
- B、Variable Length Shortest Masking
- C、Very Long/Shortest Masking
- D、Variable Long Subnet Masking
- E、Variable Length Short Measurement
正确答案:A
第5题：
夏季，采用变风量系统的美国建筑比中国建筑耗热量高，主要是因为美国变风量系统存在末端再热的现象。
正确答案:正确
第6题：
According to this passage, which of the following statements is true?
A.In boiler and machinery spaces, there is the air conditioning.
B.In the boiler rooms the requirement of air volume should meet 25-50% of combustion requirement.
C.To maintain the comfort zone in the separate control room the air conditioning plant should be fitted.
D.The comfort conditions can be maintained in the engine room all the time.
第7题：
变风量未端系统的组成方式有（）
- A、单风管VAV系统
- B、单风管加热VAV系统
- C、单风管送回风机联为VAV系统
- D、单风管旁通式VAV系统
正确答案:A,B,C,D
第8题：
______is the address of.a variable or a variable in which the address of another variable is stored.
A．Director
B．Pointer
C．Array
D．Record
解析：指针是一个变量的地址或者是存储了另一个变量地址的变量。
第9题：
A cluster administrator is concerned about using the forced varyon resource group function. Although the function provides increased data availability if it is enabled for a cluster resource group， management is concerned about data integrity. If a varyonvg command fails， an HACMP forced varyon will only occur if which of the following is true？（）
- A、 A loss of quorum has occurred on one of the disks in the failed volume group.
- B、 Selective fallover caused by an application moves a resource group to a takeover node.
- C、 A check is made to ensure at least one complete copy of all data is available in the volume group.
- D、 The MISSING_PV=TRUE environment variable has been set causing the volume group to be forced online.
正确答案:C
第10题：
What does it mean for a variable in the Application Editor to be defined as a parameter?（）
- A、The variable can be used to pass data to and from subflows.
- B、The value for that variable can be supplied via Application Configuration in Application Administration.
- C、The value for that variable is defined by the calling application.
- D、The variable can be used in conditional steps.
- E、The variable can be used to pass data to and from VoiceXML applications.
正确答案:B