In order to properly remove air from the casing of a centrifugal pump when starting, the pump should have a （）...

第1题

[] In order for the automatic lifeboat drain to operate properly（）.

A、A.the cap should be removed to drain the boat when it is waterborne B、B.the cage must be free of rubbish or the ball may not seat properly C、C.there is an automatic ball check located in a siphon tube D、D.the small lever to release the rubber ball float must be turned counterclockwise

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第2题

[单选题] In order to ensure there is proper airflow in a new computer, which of the following should be performed?（）

A、Install a passive hard drive cooler. B、Unplug the redundant power cables from the motherboard. C、Install rounded IDE cables. D、Drill holes in the PC's case to create more airflow

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第3题

[单选题] In order to log（）the system you have to type in your password.

A、in B、on C、in to D、off to

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第4题

[单选题] You develop a Windows Communication Foundation (WCF) service that interacts with Microsoft Message Queuing (MSMQ). The service requires sessions. You need to create a custom binding that enables messages sent to the queue to be viewed when you are using a listener tool. Which binding elements should you use?（）

A、textMessageEncoding and msmqTransport in this order. B、textMessageEncoding and msmqIntegrationTransport in this order. C、msmqTransport and textMessageEncoding in this order. D、msmqIntegrationTransport and textMessageEncoding in this order.