更多"Scale accumulation on evaporator he"的相关试题:
[单项选择]The sum of the sensible heat and the latent heat of any substance is known as （）.
A. total heat
B. residual heat
C. specific heat
D. superheat
[单项选择]某公司有一台运行Exchange的服务器用于实现邮件系统，并使用Exchange监视工具监控服务器的运行状态，如果被监视服务出现问题的时候，想要通过Messenger服务传给某一IP地址的主机，则一般选择Exchange的（）。
A. 邮件通知
B. 寻呼通知
C. 脚本通知
D. 短消息通知
[多项选择]某公司只有一台运行Exchange的服务器用于实现邮件系统，管理员需要使用Exchange监视工具监控服务器的运行状态，当服务器出现问题的时候，Exchange可以使用（）通知管理员。
A. 邮件通知
B. 寻呼通知
C. 脚本通知
D. 短消息通知
E. 以上都可以
[单项选择]You are approaching another vessel and are not sure whether danger of collision exists. You must assume（）.
A. there is a risk of collision
B. you are the give-way vessel
C. the other vessel is the give-way vessel
D. there is no risk of collision
[单项选择]Which one of the followings is not required on survival crafts?（）
A. Anti-seasickness medicine
B. Immersion suits
C. Axes
D. Lifebuoys
[单项选择]Less scale formation occurs in a flash evaporator than in a submerged tube evaporator because （）.
A. the distillate produced has greater purity
B. no boiling occurs on heat transfer surfaces
C. evaporation occurs at a higher rate
D. the incoming feed is at a higher temperature
[单项选择]Excessive scale formation in a distilling plant may result from （）.
A. poor distillate quality
B. reduced evaporator capacity
C. low brine concentration
D. improper vacuum regulation
[单项选择]At sea，all required GMDSS equipment（other than survival craft equipment）must be proven operational by（）.
A. daily testing
B. either A or C
C. operational use of the equipment
D. testing at least every 48 hours
[多项选择]备份Exchange邮箱能够应对（）
A. 邮箱中的数据被病毒破坏
B. 邮件被误删除
C. 邮件服务器出现故障
D. 非法人员获取邮件信息
[单项选择]Microsoft Exchange用于管理（）。
A. 组织机构的电子邮件
B. 组织机构中的网页
C. 组织机构和使用者之间的电子交易
D. 组织机构之间的数据安全交换
[单项选择]Additional heat extraction from the exhaust gases can be effected by adding an （） section to the unit in plants.
A. air cooler
B. economizer
C. injector
D. air blower
[单项选择]To agree with larger scale chart, latitudes taken from this chart should be increased（）about 8 seconds.
A. with
B. in
C. by
D. to
[单项选择]（）scale charts are used for harbors.
A. Small
B. Large
C. Loran
D. Route
[单项选择]Scale and dirt accumulation in the waterside of a lube oil cooler will be indicated by a gradual increase in the lube oil（）.
A. TBN number
B. viscosity
C. temperature
D. foaming
[单项选择]The scale trap is located between the （）
A. king valve and the expansion valve
B. solenoid valve and expansion valve
C. evaporator and receiver
D. compressor and evaporator
[单项选择]When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?（）
A. exstart state>exchange state>loading state>full state
B. exstart state>full state>loading state>exchange state
C. Loading state>exchange state>full state>exstart state
D. exstart state>loading state>exchange state>full state
[单项选择]Exchange of answerbacks act s a confirmation that the messages（）at the destination.
A. have received
B. have been received
C. are received
D. are being received
[单项选择]To agree with larger scale chart，latitudes taken from this chart should be increased （） about 8 seconds．
A. with
B. in
C. by
D. to
[单项选择]When to remove scale from the cooling spaces, acid solution （） in the system can be tested from time to time by putting some on to a piece of lime.
A. strength
B. dense
C. percentage
D. velocity
