The diesel generators on your uninspected...

Question 1 / 2066636eef28f7522a1c51fa26

Question 1 of 2066636eef28f7522a1c51fa26

The diesel generators on your uninspected fishing trawler are fitted with speed control governors of the type shown in the illustration. If an adjustment is made to item #2, what will change? Illustration MO-0160

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🔍 Key Concepts

• Relationship between the governor speed-setting spring and the flyweights in a mechanical governor • Difference between governed (normal) operating speed, maximum overspeed stop, and minimum idle stop on a diesel generator governor • How moving the main adjusting collar/knob on the governor changes the equilibrium speed at which the flyweights and spring balance

💭 Think About

• Look at where item #2 is located in relation to the governor spindle and spring. Is it acting on a stop screw, or is it shifting the whole spring assembly up and down? • Ask yourself: does turning item #2 change only an upper or lower limit, or does it shift the entire normal running speed point of the governor? • Which choice describes a continuous adjustment of normal operating speed, versus fixed limit adjustments for high speed, low speed, or load-sharing droop?

✅ Before You Answer

• Verify whether item #2 is connected directly to the speed-adjusting spring rather than to a separate stop screw. • Confirm that items #3 and #4 look more like limit screws (end stops) while #2 appears as a knurled adjusting collar meant for frequent or fine adjustment. • Decide which answer choice matches an adjustment that would be used routinely to set the generator’s normal governed speed for proper frequency (e.g., 60 Hz).

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Question 1 of 20

The maximum high-speed setting

The speed droop setting

The governed speed setting

The minimum low speed setting

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Question 1 / 2066636eef28f7522a1c51fa26

Question 1 of 2066636eef28f7522a1c51fa26

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Question 1 of 20

66636eef28f7522a1c51fa26

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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