A schematic diagram of an isochronous...

Question 1 / 2066636eef28f7522a1c520214

Question 1 of 2066636eef28f7522a1c520214

A schematic diagram of an isochronous hydraulic governor is shown in the illustration. When the load is removed the speed increases, and the __________. Illustration MO-0100

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Question 1 of 20

66636eef28f7522a1c520214

A schematic diagram of an isochronous hydraulic governor is shown in the illustration. When the load is removed the speed increases, and the __________. Illustration MO-0100

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🔍 Key Concepts

• Centrifugal flyweight action in a hydraulic governor when speed increases • Flow path of pressure oil vs sump oil around the pilot valve (piece 10) and power piston when the governor calls for less fuel • How an isochronous governor responds to a sudden load change (no steady-state speed droop)

💭 Think About

• When load is suddenly removed, does engine speed momentarily rise or fall? From that, should the governor demand more fuel or less fuel? • With increased speed, do the flyweights move inward or outward in a centrifugal governor, and what does that motion do to the pilot valve position? • Looking at the colored oil passages in the illustration, which direction must the pilot valve move to connect pressure oil to the side of the power/balance piston that will reduce fuel rack position?

✅ Before You Answer

• Be sure which motion of the flyweights (pieces 8 and 9) corresponds to increasing speed vs decreasing speed • Trace which side of the power/balance piston is exposed to pressure oil when the pilot valve (piece 10) moves up or down • Eliminate any option that requires the flyweights to move in a way that contradicts basic centrifugal governor behavior when speed rises

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Question 1 of 20

A schematic diagram of an isochronous hydraulic governor is shown in the illustration. When the load is removed the speed increases, and the __________. Illustration MO-0100

pilot valve (piece 10) moves upward

proportioner piston (piece 25) moves upward

flyweights (piece 8 and 9) move inward and the pilot valve (piece 10) moves downward

balance piston (piece 22) moves downward

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Question 1 / 2066636eef28f7522a1c520214

Question 1 of 2066636eef28f7522a1c520214

A schematic diagram of an isochronous hydraulic governor is shown in the illustration. When the load is removed the speed increases, and the __________. Illustration MO-0100

Back

Question 1 of 20

66636eef28f7522a1c520214

A schematic diagram of an isochronous hydraulic governor is shown in the illustration. When the load is removed the speed increases, and the __________. Illustration MO-0100

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?

Quick actions

— No credit card needed