Most pump manufacturers recommend that the suction piping dimension for centrifugal pumps be （）.

A、one size smaller than the pump suction nozzle

B、the same size as the pump suction nozzle

C、one size larger than the pump suction nozzle

D、installed with a short radius elbow at the pump

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更多“Most pump manufacturers recommend that the suction piping dimension for centrifugal pumps be （）.”相关的问题

第1题

[单选题] Most pump manufacturers recommended that the discharge piping for centrifugal pumps be （）.

A、one size larger than the pump discharge nozzle B、the same size as the pump discharge nozzle C、one size smaller than the pump discharge nozzle D、installed with a short radius elbow at the pump

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第2题

[单选题] The most suitable pump for oily water separator feed duties is （）.

A、a reciprocating pump B、a vane pump C、a centrifugal pump D、a triple screw pump

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第3题

[单选题] Which of the following pumps will most affect oily water separator performance and give the worst result?（）

A、reciprocating pump B、vane pump C、screw pump D、centrifugal pump

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第4题

[] Which of the following pumps is most suitable for an oily water separator?（）

A、A.reciprocating pump B、B.vane pump C、C.mono pump D、D.axial-flow pump

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第5题

[] Which of the following is the MOST important step in creating a system classification list?（）

A、A. Verifying the OS manufacturers B、B. Locating a hosting facility C、C. Consulting with the system manufacturers D、D. Interviewing system owners

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第6题

[单选题] Which of the following is the MOST important step in creating a system classification list？（）

A、 Verifying the OS manufacturers B、 Locating a hosting facility C、 Consulting with the system manufacturers D、 Interviewing system owners

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第7题

[单选题] Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.

A、The loading dock B、The midpoint of the barge C、Within 25 feet of the pump engine D、Above the forward rake end

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第8题

[单选题] What is a function of the wearing rings used in most centrifugal pumps?（）

A、Absorb erosion of high velocity discharge stream B、Seal pump shaft against entry of air C、Isolate the discharge side from the suction side D、Dampen the turbulent discharge flow

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第9题

[单选题] Aboard damaged vessels，the MOST important consideration is preserving（）.

A、bilge pumping capacity B、reserve buoyancy C、level attitude D、instability

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