The anchor handling vessel to which you are...

Question 1 / 2066636eef28f7522a1c51f6d2

Question 1 of 2066636eef28f7522a1c51f6d2

The anchor handling vessel to which you are assigned has a pneumatic propulsion control system as shown in the illustration. Which control valve is responsible for by-passing the inflation delay orifice to insure rapid and positive reversals and to protect the clutches from excessive slip? Illustration MO-0167

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🔍 Key Concepts

• Trace the air flow path during a clutch reversal (ahead to astern) and note where the flow is slowed by the inflation delay orifice. • Identify which valve paths are labeled with clutch inflation air setpoints and which valve is physically drawn as bypassing the restriction. • Compare the functional names: boost, speed-slip, inflation, and governor limit to what you would expect for "rapid and positive reversals" and clutch slip protection.

💭 Think About

• When you move the pilot house remote from ahead to astern, which valve first receives the signal that a reversal is demanded, and how does that affect clutch inflation pressure? • Follow the piping around the inflation delay orifice: which specific H5 valve has a passage that lets air reach clutch inflation pressure without going through that orifice during a reversal? • Which valve would primarily control maximum slip at low speed, and which would more likely be used only during the brief transition of a reversal? Compare that to the wording of the question.

✅ Before You Answer

• Verify on the drawing which valve is physically connected across (around) the inflation delay orifice—this is the one that can bypass it. • Check the small text boxes showing setpoints (psig) clutch inflation air near each H5 valve; match those setpoints to a function that would quickly raise pressure to prevent slipping. • Confirm that the valve you choose is in the line that leads directly toward clutch inflation air during reversals, not just in a speed-governing or slip-sensing branch.

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Question 1 of 20

H5 boost relay air valve

C2 speed-slip relay valve

H5 inflation air relay valve

H5 governor limit relay air valve

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Question 1 / 2066636eef28f7522a1c51f6d2

Question 1 of 2066636eef28f7522a1c51f6d2

Back

Question 1 of 20

66636eef28f7522a1c51f6d2

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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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