违法和不良信息举报 联系客服
免费注册 登录

A space should be ventilated when（）.

题目
单选题
A space should be ventilated when（）.
A

The cargo's temperature is colder than the dew point of the air in the space

B

The cargo's temperature is warmer than the dew point of the air in the space

C

The dew point of the air in the space is lower than the dew point of the outside air

D

All of the above

如果没有搜索结果或未解决您的问题，请直接 联系老师 获取答案。
相似问题和答案

第1题：

By the stowage factor，when given a certain volume of space，we know ______．

A.The space of the ship

B.The space of one hold

C.What kind of cargo can be stowed

D.How much cargo can be stowed


正确答案：D

第2题：

In which two conditions are resumable statements suspended？（）

  • A、 when a user exceeds the space quota
  • B、 when a user session is terminated
  • C、 when a table that is being accessed by the current transaction is not found
  • D、 when a user manually suspends the statement
  • E、 when the maximum extents of a segment is reached

正确答案:A,E

第3题：

Hygroscopic cargoes should be ventilated when ______.

A.going from a warm to a cold climate

B.the dew point of the outside air is greater than the dew point of the air in the hold

C.the dew point of the air in the hold is very low

D.the outside dew point is 16°C and the cargo temperature is 12°C


正确答案：A

第4题：

Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）

  • A、 foo ； lsps -s
  • B、 tprof -kx ； foo
  • C、 iostat ； foo ； iostat
  • D、 vmstat -s ； foo ； vmstat s

正确答案:D

第5题：

在船上应当日落时降下国旗.（）

  • A、We should lower national flag when the sun sets.
  • B、We should lower national flag when the ship is in port.
  • C、We should lower national flag when loading and unloading.
  • D、We should lower national flag when the sun rises.

正确答案:A

第6题：

A cabinet or space containing the controls or valves for the fixed firefighting system must be

A.posted with instructions on the operation of the system

B.ventilated and equipped with explosion-proof switches

C.painted with red and black diagonal stripes

D.equipped with a battery powered source of emergency lighting


正确答案：A
含有固定灭火系统的控制和阀门的舱位一定要张贴系统操作说明。

第7题：

While setting up the threshold for tablespace space usage metrics for one of your tablespaces， you define the critical threshold as 60% and warning threshold as 75%. What would be the result of this setting？（）

  • A、 It would result in an error because the warning threshold cannot be more than the critical threshold.
  • B、 The warning threshold is ignored and alerts would be generated when space usage exceeds the critical threshold.
  • C、 The critical threshold is ignored and alerts would be generated when space usage exceeds the warning threshold.
  • D、 Both threshold values are used and alerts are generated when space usage exceeds the respective threshold values.

正确答案:A

第8题：

In the event of fire in a machinery space，______.

A.the fixed carbon dioxide system should be used only when all other means of extinguishment have failed

B.the fixed carbon dioxide system should be used immediately，as it is the most efficient means of extinguishment

C.water in any form should not be used as it will spread the fire

D.the space should be opened 5 minutes after flooding CO2 to prevent injury to personnel


正确答案：A

第9题：

日落降国旗。（）

  • A、The ensign should be hoisted when the sun rises.
  • B、The ensign should be lowered when the sun rises.
  • C、The ensign should be hoisted when the sun sets.
  • D、The ensign should be lowered when the sun sets.

正确答案:D

第10题：

When shrinking a table segment， you choose to shrink all the indexes for that table using the SHRINK SPACE command. Which clause should you use？（）

  • A、 INCLUDING DEPENDENCIES
  • B、 INCLUDING DEPENDENCIES CASCADE
  • C、 COMPACT
  • D、 CASCADE
  • E、 None of the above

正确答案:D

更多相关问题
相关内容