搜题

【单选题】

The value of the controlled variable, which under any fixed set of conditions the automatic controller operates to maintain, is known as （）

A、set point

B、control point

C、deviation

D、offset

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更多“The value of the controlled variable, which under any fixed set of conditions the automatic controller operates to maintain, is known as （）”相关的问题

第1题

[单选题] A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_sequence CACHE 10 ORDER The following statements are successfully executed in sequence through separate database connections: CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO:con1hvarWhat is the current value of the :con1hvar host variable?（）

A、2 B、3 C、11 D、30

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第2题

[多选题] Given: Which two statements are true about the result if the default locale is Locale.US?（）

A、The value of b is 2. B、The value of a is 3.14. C、The value of b is 2.00. D、The value of a is 3.141. E、The value of a is 3.1415. F、The value of a is 3.1416. H、The value of b is 2.0000.

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第3题

[单选题] A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_seq START WITH 5 INCREMENT BY 5 CACHE 5 User1 successfully executes the following statements in Connection1: VALUES NEXT VALUE FOR my_seq INTO :con1hvar VALUES NEXT VALUE FOR my_seq INTO :con1hvar User2 successfully executes the following statement in Connection2: VALUES NEXT VALUE FOR my_seq INTO :con2hvar After User1 & User2 are finished, User3 executes the following statement in Connection3: SELECT NEXT VALUE FOR my_seq FROM sysibm.sysdummy1Which value will be returned by the query?（）

A、20 B、25 C、50 D、55

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第4题

[多选题] When a job exceeds the date specified in its END_DATE attribute, which of the following will happen?（）

A、The job will be dropped automatically if the value of the AUTO_DROP attribute is TRUE B、The job will only be disabled if the value of the AUTO_DROP attribute is FALSE C、The STATE attribute of the job will be set to COMPLETED if the value of the AUTO_DROP attribute is FALSE D、All objects referenced by the job will be dropped if the value of the AUTO_DROP attribute is TRUE and the value of the CASCADE attribute is TRUE E、The STATE column of the job table will be set to COMPLETED for the job

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第5题

[单选题] Which of the following is not true of Britain.s foreign trade?（）

A、The value of Britain.s exports of goods usually exceeds the value of its imports. B、The value of Britain.s imports of goods usually exceeds the value of its exports. C、Manufactured goods now account for about 85%of British imports and about 80%of its exports. D、Most of the United Kingdom.s trade is with other developed countries,especially other members of the European Union.

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第6题

[单选题] No claim for constructive total loss based upon the cost of recovery and/or repair of the Vessel shall be recoverable hereunder unless such cost would exceed（）.

A、the stated value B、the sound valve of the vessel at the time of occurrence C、the lost value D、the insured value

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第7题

[单选题] You are investigating the performance of the server and see the following information: Events_waits_summary_global_by_event_name in the performance schema shows that the wait/synch/mutex/sql/LOCK_table_cache event is dominating other wait events. The table_open_cache_overflows status variable is 0. Which action should be taken to remove the performance bottleneck described here?（）

A、Increase the value of table_definition_cache B、Increase the value of table_open_cache_instances C、Decrease the value of table_open_cache_instances D、Increase the value of table_open_cache E、Decrease the value of table_definition_cache F、Decrease the value of table_open_cache

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第8题

[单选题] When is the connection concentrator enabled?（）

A、When the value of MAX_CONNECTIONS is greater than the value of MAX_COORDAGENTS. B、When the value of MAX_AGENTS is greater than the value of MAX_CLIENTS. C、When the value of NUM_AGENTS is greater than the value of MAX_AGENTS. D、When the value of NUM_CONNECTIONS is greater than the value of NUM_COORDAGENTS.

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第9题

[多选题] Which two statements are true about The result if the default locale is Locale.US？（）

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第10题

[单选题] A tank 36 ft. by 36 ft. by 6 ft. is filled with water to a depth of 5 ft. If a bulkhead is placed in the center of the tank running fore-and-aft along the 36-foot axis，how will the value of the moment of inertia of the free surface be affected?（）

A、The moment of inertia would remain unchanged B、The moment of inertia would be 1/4 its original value C、The moment of inertia would be 1/2 the original value D、None of the above

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