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The engineer needs to redesign a syringe for medical applications. They complained that the syringe is hard to push.'' The engineer analyzes the flow and

The engineer needs to redesign a syringe for medical applications. They complained that the syringe is "hard to push.'' The engineer analyzes the flow and concludes that the flow is choked. Upon this fact, what engineer should do with the syringe; increase the pushing diameter or decrease the diameter? Explain

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