题目内容（请给出正确答案）

[主观题]

If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, th

e cause may be ______.

A.high steam pressure in the boiler

B.abnormally high feed-water temperature

C.abnormally high boiler water temperature

D.steam demand exceeding feed pump capacity

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更多“If the feed pump for an auxili…”相关的问题

第1题

The common method of applying oil to the cylinder walls is by means of small pump assembled in units, known as（）

A．mechanical lubricator

B．lubrication function

C．forced feed system

D．bearing lubricatio

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第2题

The common method of applying oil to the cylinder walls is by means of small pump assemble

d in units, known as

A.mechanical lubricator

B.lubrication function

C.forced feed system

D.bearing lubrication

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第3题

Which of the listed problems could produce a high absolute pressure within a flash type ev

aporator？

A.production of high salinity distillate

B.seawater feed temperature below 165℃

C.a leak in the first stage demister

D.a cracked distillate pump vent line

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第4题

钠-钾泵（sodium-potassium pump)

钠-钾泵(sodium-potassium pump)

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第5题

calcium pump 名词解释

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第6题

The amount of fuel delivered by a helical plunger fuel injection pump is controlled by ___

___.

A.varying the pump discharge pressure

B.varying the pump return pressure

C.rotation of the pump plunger

D.rotation of the pump barrel

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第7题

（英英释义）If there is noise when the pump operates, examine the filter for metal partic

les.（）

A．If pump makes noise, shut it down and check the pump filter

B．If pump operation is noisy, check pump filter for metal particles

C．If pump is noisy in operation, check the filter for metal articles

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第8题

Which pump must always be primed ________．A.Centrifugal pumpB.Reciprocating pumpC.Rotary p

Which pump must always be primed ________．

A.Centrifugal pump

B.Reciprocating pump

C.Rotary pump

D.All of the above

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第9题

质子泵抑制剂（Proton Pump Inhibitors，PPIs)

质子泵抑制剂(Proton Pump Inhibitors，PPIs)

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第10题

Cargo pump relief valves are piped to the ______．A.cargo pump pressure gaugesB.crossover l

Cargo pump relief valves are piped to the ______．

A.cargo pump pressure gauges

B.crossover lines interconnecting two pumps

C.suction side of pumps

D.atmosphere through pump vents

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