搜题

【单选题】

The saturation temperature of the refrigerant must be （） that required in the evaporator refrigerated space.

A、above

B、below

C、equal to

D、None of the above

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更多“The saturation temperature of the refrigerant must be （） that required in the evaporator refrigerated space.”相关的问题

第1题

[单选题] In a vacuum distillation system, the case is the higher the pressure, （）.

A、the saturation temperature is higher B、the higher the saturation temperature C、the higher is the saturation temperature D、the saturation temperature is more high

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第2题

[单选题] Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database， and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files （OMF）. Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database， its corresponding operating system file

A、 DROP TABLESPACE temp1； B、 DROP TABLESPACE temp1 INCLUDING CONTENTS； C、 DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES； D、 DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS；

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第3题

[单选题] A company uses an application that creates temp files that need to be backed up on a daily basis. A test restore fails to restore the temp files. In checking the backup catalog, Karen, a technician, discovers that the temp files are not being backed up. Which of the following is the MOST likely reason?（）

A、To backup temp files, the /T switch must be used. B、NTBACKUP does not backup temp files by default. C、The NTBACKUP utility cannot backup temp files. D、NTBACKUP is not running under the correct credentials.

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第4题

[] Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure （） the saturation temperature.

A、A.the more B、B.the higher C、C.the lower D、D.the highest

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第5题

[] You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE '/u1/data/temp1.dbf' SIZE 10M TABLESPACE GROUP ''; Which statement regarding the above command is correct?（） You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE '/u1/data/temp1.dbf' SIZE 10M TABLESPACE GROUP ''; Which statement regarding the above command is correct?（）

A、A. It will create the tablespace TEMP1 in group G1. B、B. It will create the tablespace TEMP1 in group G3. C、C. It will not add the tablespace TEMP1 to any group. D、D. It will create the tablespace TEMP1 in the default group.

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第6题

[单选题] Which of the following is the default location for temp files in Windows 7?（）

A、C：\Windows\Temp B、C：\Windows\SystemFiles\TempFiles C、C：\SystemFiles\Temp D、C：\System\TempFiles

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第7题

[单选题] The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?（）

A、Allow the database to continue running, drop the TEMP tablespace, and then re-create it with new tempfiles B、Shut down the database, restore and recover the tempfile from backup, and then open the database with RESETLOGS C、Allow the database to continue running, take the TEMP tablespace offline, drop the missing tempfile, and then create a new tempfile D、Allow the database to continue running, add a new tempfile to TEMP tablespace with a new name, and drop the tempfile that has been corrupted.

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第8题

[单选题] Which of the following will occur if %temp% is executed from the run command?（）

A、The operating system’s temporary folder will be opened. B、Applications located in the %temp% folder will be executed. C、Applications will be deleted in the %temp% folder. D、The current user’s temporary folder will be opened.

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第9题

[] The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?（）

A、A. Allow the database to continue running, drop the TEMP tablespace, and then re-create it with new tempfiles B、B. Shut down the database, restore and recover the tempfile from backup, and then open the database with RESETLOGS C、C. Allow the database to continue running, take the TEMP tablespace offline, drop the missing tempfile, and then create a new tempfile D、D. Allow the database to continue running, add a new tempfile to TEMP tablespace with a new name, and drop the tempfile that has been corrupted.

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第10题

[单选题] Fog forms when the air（）.

A、Is 50% water saturated B、Is 90% water saturated C、Temperature is greater than the dew point temperature D、Temperature is equal to，or below the dew point temperature

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