Which type of pump would normally be used to...

Question 1 / 270705eccef9bbacbc34ba4d45486

Question 1 of 270705eccef9bbacbc34ba4d45486

Which type of pump would normally be used to transfer fairly large quantities of fluids at relatively low pressures?

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Question 1 of 27070

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Which type of pump would normally be used to transfer fairly large quantities of fluids at relatively low pressures?

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🔍 Key Concepts

• Positive displacement pumps vs dynamic (centrifugal/axial) pumps • Relationship between flow rate (quantity) and pressure/head for different pump types • Typical marine uses of reciprocating, gear, propeller, and screw pumps

💭 Think About

• Which pump type is best when you want a very large volume moved, and pressure is not very high? • Among the four options, which ones are positive displacement (better for higher pressures/viscous fluids) and which ones are flow machines (better for high volume at low pressure)? • Think about which pump you’d normally see used for ballast, circulation, or seawater service, rather than fuel injection or lube oil service.

✅ Before You Answer

• Identify which pump type is axial-flow or high-volume/low-head by design. • Eliminate the pumps commonly used where steady, metered flow at higher pressure is needed (e.g., fuel oil, lube oil). • Confirm in your notes which pump is usually chosen for circulating large quantities of relatively clean water at low pressure.