Which direction of rotation of the gear pump...

Question 1 / 205eccefa1bacbc34ba4d47716

Question 1 of 205eccefa1bacbc34ba4d47716

Which direction of rotation of the gear pump shown in the illustration will produce the correct direction of oil discharge to operate the governor? clockwise Counterclockwise See illustration MO-0092.

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🔍 Key Concepts

• Study the gear pump at the lower‑right of the illustration and trace how oil moves from the sump to the accumulators and then to the rest of the governor. • Use the orientation of the check valves (open/closed) and the location of the relief ports to decide which side of the gears must be the discharge side. • Remember that in an external‑gear pump, oil is carried in the spaces between the gear teeth and the housing, not through the gear mesh where the teeth meet.

💭 Think About

• If the gears rotate in direction I, which side of each gear would be moving oil away from the sump and toward the check valves labeled "open"? Sketch the flow path. • If the gears rotate in direction II, what happens to the oil at the check valves and relief ports—does it still move from low‑pressure sump oil to high‑pressure oil feeding the accumulators? • How must the discharge flow direction relate to the markings for High Pressure Oil and the connection to the accumulators for the governor to operate correctly?

✅ Before You Answer

• Verify which passages are shaded as sump oil versus high‑pressure oil at the pump and accumulators. • Confirm which check valves are shown open and closed for correct flow from the pump outlet into the accumulators. • Before choosing, be certain which gear‑rotation direction makes oil travel from the suction port at the sump to the discharge port leading to high‑pressure oil and accumulators without forcing oil backward through a closed check valve.

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Question 1 of 20

I only

II only

Both I and II

Neither I nor II

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Question 1 / 205eccefa1bacbc34ba4d47716

Question 1 of 205eccefa1bacbc34ba4d47716

Back

Question 1 of 20

5eccefa1bacbc34ba4d47716

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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