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Questions for November 22, 2017; replies can earn 0–6 points (no scoring for replies sent more than 1 day after posting. Thank you for your replies)

2017-11-22View Original

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If the flow rate of the liquid is the same and the crankshaft speed is the same, then the piston stroke of the ____ reciprocating pump is longer, with a more uniform speed throughout the stroke. (1) Single-cylinder (2) Dual-cylinder Answer: ( )

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