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【单项选择题】

A level gauge for a tank is to （）.

A、A.give the pressure

B、B.give the contents

C、C.give the shape of the tank

D、D.give the accuracy level

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更多“A level gauge for a tank is to （）.”相关的问题

第1题

[单选题] The water level showing in a boiler water gauge glass is usually （） during working.

A、higher than the actual drum water level B、equal to the actual drum water level C、increasing due to steam condensation in the glass D、lower than actual drum water level

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第2题

[单选题] （） means the level for which appropriate additional protective security measures shall be maintained for a period of time as a result of heightened risk of a security incident.

A、Security level 1 B、Security level 2 C、Security level 3 D、Medium safe level

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第3题

[单选题] （）means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target.

A、Security level 1 B、Security level 2 C、Security level 3 D、Highest safety level

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第4题

[单选题] The water level in the gauge glass when a boiler is operating is （） when the boiler is shut down.

A、lower than B、higher than C、below D、equal to

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第5题

[单选题] （） means the level for which minimum appropriate protective security measures shall be maintained at all times, threats and exchanging such information with appropriate Contracting Governments.

A、Security level 1 B、Security level 2 C、Security level 3 D、Lowest safety level

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第6题

[单选题] When a boiler is operating, the water level in the gauge glass reads （） when the boiler is shut down.

A、lower than B、higher than C、as much as D、the same as

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第7题

[] Which statement about the enabling of table compression in Oracle Database 11g is true?（）

A、A. Compression can be enabled at the table, tablespace, or partition level for direct loads only. B、B. Compression can be enabled only at the table level for both direct loads and conventional DML. C、C. Compression can be enabled at the table, tablespace, or partition level for conventional DML only. D、D. Compression can be enabled at the table, tablespace, or partition level for both direct loads and conventional DML.

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第8题

[单选题] IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）

A、A generic Hello B、Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2 C、Point - to - point Level 1, point - to - point Level 2, LAN D、Point - to - point, LAN Level 1, LAN Level 2

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第9题

[单选题] If both the “high level” and “low level” alarms come on for the same address of a centralized control console, the most likely problem is a/an （）.

A、sensor failure B、failed alarm C、low level D、extremely high level

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