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【单选题】

A centrifuge of which the bowl is arranged as the upper and lower parts separate discharges the sludge()

A、by opening the separator manually

B、by separating the lower part from the upper part automatically

C、by separating the upper part from the lower part automatically

D、continuously

更多“A centrifuge of which the bowl is arranged as the upper and lower parts separate discharges the sludge()”相关的问题
第1题

A、centrifugal pump is cheaper than reciprocating pump  B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump  C、centrifugal pump makes maintenance easier than reciprocating pump does  D、all of the above  

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第2题

AA.gravity disc  B、B.centrifugal bowl  C、C.a stack of discs  D、D.main sealing ring  

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第3题

A、discharge side of the centrifugal pump  B、suction side of the centrifugal pump  C、the lowest point of the cooling water system  D、inlet of the main engine  

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第4题

A、diameter of the discharge piping, with all other factors remaining the same  B、diameter of the suction piping, with all other factors remaining the same  C、width of the impeller only  D、diameter of the impeller  

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第6题

Aan oily water separator  B、a purifier  C、a centrifugal compressor  D、a clarifier  

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第8题

AA.a centrifugal fan  B、B.a direct expansion cooler  C、C.a hermetic compressor  D、D.a centrifugal pump  

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第9题

A、Oil is discharged from the impeller through the outlet  B、Gravity causes the oil to flow toward the discharge  C、The self-priming feature of the centrifugal pump enables it to draw its own suction as it starts  D、The discharge capacity varies directly with the speed of the impeller  

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第10题

A、capacity of 0%  B、efficiency of 100%  C、internal slippage of 0%  D、shut off horsepower rating of 100%  

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