When the tilting box of a variable stroke axial-piston pump is perpendicular to the pump shaft, which of the following conditions will exist?（）<br>A:The pistons reciprocate<br>B:The ‘B’ end cylinder barrel rotates<br>C:There is no fluid flow<br>D:Power is transmitted hydraulically

When the tilting box of a variable stroke axial-piston pump is perpendicular to the pump shaft, which of the following conditions will exist?（）
A:The pistons reciprocate
B:The ‘B’ end cylinder barrel rotates
C:There is no fluid flow
D:Power is transmitted hydraulically

出自：海船船员证

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