For a flash type evaporator, the seawater heater will have to maintain a enough temperature to minimize scale formation（）..

第1题

[] The advantages of flash type evaporators, as compared to submerged tube type evaporators, include （）.

A、A.less internal corrosion because of lower brine density B、B.higher temperature evaporation for lower salinity of the distillate produced C、C.less scale formation in a flash evaporator D、D.less feed-water required for a flash evaporator

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第2题

[多选题] Which three types of content filtering are supported only for HTTP? （）(Choose three.)

A、block Flash B、block Java applets C、block ActiveX D、block EXE files E、block MIME type

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第3题

[] For a flash type evaporator, a demister is located the condenser（）

A、A.After B、B.before C、C.inside D、D.outside

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第4题

[] The design of for a flash type evaporator is of critical importance because it must provide an optimum feedwater spray pattern that facilitates the flashing process, and it must also maintain a pressure differential between successive stages（）

A、A.condenser B、B.flashing device C、C.lashing device D、D.vacuum pump

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第5题

[单选题] In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN> CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN> RUN 2> { 3> ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4> BACKUP DATABASE; 5> } Which statement is true about the outcome?（）

A、Only one channel is allocated and the backup is created in the flash recovery area B、Only one channel is allocated and the backup is created in the destination specified for channel 1 C、Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2 D、Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA

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第6题

[] 利用EVA进行评价，其核心是确定 △EVA是否小于零，也就是“当年EVA-上年EVA”是否小于零，小于零则表明公司在创造价值，反之则相反。

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第7题

[单选题] When configuring a Commerce Payments cassette for a merchant， what should be created for EACH account？（）

A、A batch for each supported credit card type B、A batch for each currency and credit card type C、A batch for each cassette and currency D、A brand for each supported credit card type E、A brand for each currency and credit card type

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第8题

[单选题] Which one of the followings might not be employed to create vacuum for flash type evaporator? （）

A、high-pressure steam-driven air-ejector B、motor-driven vacuum pump C、water-motivated air eductor D、centrifuge pump

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第9题

[单选题] 以下EVA、PVC、PE三种塑料膜性能的对比不正确的是：（）

A、初始透光性EVA≥PVC＞PE B、保温性PVC＞EVA＞PE C、强度EVA＞PE＞PVC D、耐候性EVA＞PVC＞PE

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For a flash type evaporator, the seawater heater will have to maintain a enough temperature to minimize scale formation（）

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