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【单选题】

All three systems have the ports （） to swirl the incoming air and direct it in the appropriate path.

A、angled

B、rounded

C、being angled

D、being rounded

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更多“All three systems have the ports （） to swirl the incoming air and direct it in the appropriate path.”相关的问题
第1题
[单选题] Which of the following statements is true concerning all three-phase alternators?（）

A、Each has three separate but identical armature windings acted on by one system of rotating magnets  B、Each has one armature winding acted on by three identical but separate systems of rotating magnets  C、All three-phase alternators are designed to operate with a O8 leading power factor  D、The three phases always provide power to the load through three sets of slip rings and brushes  

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第2题
[单选题] A system has three different network adapters installed. Which of the following should a technician use to get the details of all the adapters at the same time?（）

A、IPCONFIG /ALL  B、NETSTAT /A  C、NBTSTAT /ALL  D、PING LOCALHOST  

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第3题
[单选题] A user states that all their incoming mail is showing that it is behind three hours. All other users have the correct time. Which of the following should the technician check?（）

A、The system’s local time settings  B、The system’s O/S version and patch status  C、The system’s network configuration  D、The mail server’s configuration  

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第4题
[] You have been asked to create three users， PUB1， PUB2 and PUB3， for three newly hired employees and to allocate unlimited quota on their default tablespace PUBLISHER_TBS with no other privileges. After creating the users， which method can you use for granting the required privileges？（）

A、A.grant CONNECT role to all of the three users  B、B.grant RESOURCE role to all of the three users  C、C.grant both CONNECT and RESOURCE role to all of the three users  D、D.execute ALTER USER .. QUOTA UNLIMITED ON publisher_tbs command for all of the three users  E、E.create role with UNLIMITED TABLESPACE system privilege and assign the role to all of the three users  

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第5题
[单选题] Which of the following hydraulic systems is not one of the three sub-division of the Hydraulic drive system?（）

A、Constant pressure system  B、Variable pressure system  C、Variable displacement system  D、Constant volume system  

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第6题
[单选题] With reference to a rotary vane steering gear system, which one of the following statements is true?（）

A、The three moving vanes and the three fixed vanes form three pressure chambers  B、The three moving vanes and the three fixed vanes form six pressure chambers  C、The three moving vanes and the three fixed vanes form nine pressure chambers  D、The three moving vanes and the three fixed vanes form twelve pressure chambers  

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第7题
[单选题] （）is main emergency fire system in all merchant ships.

A、CO2 system  B、Foam system  C、Dry power system  D、Water supply system  

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第8题
[多选题] Which three types of integration does the Business Event System support?（） (Choose three.)

A、point-to-point  B、parent/child messaging  C、messaging hub system  D、distributed applications messaging  E、simple object access protocol (SOAP) messaging  

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第9题
[] A vessel constrained by her draft may display（）.

A、A.three all-round red lights  B、B.two 225°red lights  C、C.three all-round blue lights  D、D.two 225°blue lights  

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