搜题

【单选题】

Which pump installation would require an external source of sealing water?（）

A、Main circulator pump jacket water cooling

B、Salt water service pump

C、Auxiliary condensate pump

D、Bilge pump

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更多“Which pump installation would require an external source of sealing water?（）”相关的问题

第1题

[单选题] Which of the following pumps belongs to centrifugal pump?（）

A、Reciprocating pump B、Screw pump C、Diffuser pump D、Water-ring pump

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第2题

[] Which of the following pumps belongs to centrifugal pump?（）

A、A.Piston pump B、B.Screw pump C、C.Diffuser pump D、D.Water-ring 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

[单选题] Which of the following pumps is used where a relatively high pressure and small capacity are required?（）

A、Volute pump B、Diffuser pump C、Regenerative pump D、All of the above

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第6题

[单选题] Which of the following statements represents the advantage of rotary pumps as compared to reciprocating pumps?（）

A、The high discharge pressure of the rotary pumps permits a larger volume of fluid per unit time than the reciprocating pump B、Rotary pumps are capable of pumping more fluid than reciprocating pumps of the same weight C、Rotary pumps occupy only one-half the space of reciprocating pumps D、Rotary pumps eliminate discharge slippage of the pumped liquid, while this does not hold true for a reciprocating pump

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第7题

[单选题] The pump has a constant stroke and the amount of fuel delivered is regulated by rotating （） which has a specially arranged helical groove cut into it.

A、the pump cylinder B、the pump cam C、the pump plunger D、the pump miler

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第8题

[单选题] In the two stage flash distilling plant, which of the pumps listed is vented to the shell of the second stage in order to remove vapor from the pump suction?（）

A、Condenser circulating water pump B、Feed-water heater drain pump C、Distillate pump D、Air ejector condenser drain pump

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第9题

[] Which of the following pumps are self-priming, and can deal with liquid from a level below the pump（） (1) ejector (2) screw (3) centrifugal Which of the following pumps are self-priming, and can deal with liquid from a level below the pump（） (1) ejector (2) screw (3) centrifugal

A、A.(1)only B、B.(1)and(2) C、C.(1),(2)and(3) D、D.(2)and(3)

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