The schematic diagram of an isochronous...

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Question 1 of 205eccefa1bacbc34ba4d47703

The schematic diagram of an isochronous hydraulic governor is shown in the illustration. If there is an increase in applied load, the speed will decrease, and the __________. See illustration MO-0100.

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🔍 Key Concepts

• Isochronous hydraulic governor response to load change • Relationship between flyweight position and engine speed • How pilot valve movement changes oil flow to the power piston

💭 Think About

• When engine speed DROPS because of more load, does centrifugal force on the flyweights increase or decrease, and will they move inward or outward? • If the flyweights move inward, does the pilot valve need to move up or down to admit oil so the fuel rack opens and speed comes back up? • On the illustration, trace which direction the pilot valve must move to send pressure oil to the power piston that will increase fuel to the engine.

✅ Before You Answer

• Be clear whether increased load causes speed to increase or decrease in this question • Confirm from the diagram which motion of the flyweights causes the pilot valve (piece #10) to move in each direction • Verify which direction of pilot valve movement sends pressure oil to the correct side of the power piston to increase fuel and restore speed

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