Which of the following figures is INCORRECT...

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Question 1 of 205eccef9bbacbc34ba4d45544

Which of the following figures is INCORRECT regarding the direction of flow and shaft rotation for the lobe type pump shown? See illustration GS-0179.

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Question 1 of 20

5eccef9bbacbc34ba4d45544

Which of the following figures is INCORRECT regarding the direction of flow and shaft rotation for the lobe type pump shown? See illustration GS-0179.

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🔍 Key Concepts

• Positive displacement lobe pump – liquid moves in the spaces between lobes and casing, not through the center where the shafts mesh • Direction of rotation vs. port labeling – which way the lobes must turn for the pockets to move fluid from inlet to outlet • Sealing line between lobes – this area should never be a direct flow path from inlet to outlet

💭 Think About

• For each figure, imagine a small pocket of liquid trapped between a lobe and the casing. As the shafts rotate in the direction shown, does that pocket travel from the labeled inlet to the labeled outlet, or the opposite way? • Look closely at where the lobes are just about to unmesh on the inlet side. In the indicated rotation, is new volume opening on the inlet side or the outlet side? • In any correct figure, would there be a direct flow through the center where the lobes meet, or is that area always blocked off as a seal line?

✅ Before You Answer

• For each option, mentally step the rotation a quarter‑turn and check whether the new cavity opens on the side marked “Inlet.” • Verify that the fluid path is around the outside of the lobes along the casing, not through the middle where the lobes mesh. • Confirm that the indicated flow arrows match the actual direction of cavity movement caused by the given rotation.

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Question 1 of 205eccef9bbacbc34ba4d45544

Which of the following figures is INCORRECT regarding the direction of flow and shaft rotation for the lobe type pump shown? See illustration GS-0179.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45544

Which of the following figures is INCORRECT regarding the direction of flow and shaft rotation for the lobe type pump shown? See illustration GS-0179.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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