🔍 Key Concepts

• Axial piston pump basic layout of pistons relative to the drive shaft • Radial piston pump basic layout of pistons relative to the drive shaft • How piston direction of motion compares to the shaft centerline (along it vs pointing toward it)

💭 Think About

• Picture where the pistons sit if you are looking straight at the end of the shaft. In which design do the pistons point outward like spokes of a wheel, and in which do they lie along the shaft? • Think about the word axial. What does an "axis" refer to in mechanics, and how would pistons be arranged if they follow that axis? • Compare each choice to the meaning of radial versus axial. Which option clearly describes a radial layout, and which one clearly describes an axial layout?

✅ Before You Answer

• Verify which answer choice describes pistons arranged like spokes around the shaft (this matches radial, not axial). • Verify which answer choice describes pistons arranged along or with the shaft’s axis (this matches axial). • Eliminate any options that would not create a simple, uniform piston motion around the shaft in a practical pump design.