Which set of valves will be opened...

Question 1 of 2707066636eef28f7522a1c520236

Which set of valves will be opened intentionally to remove heat from the main engine jacket cooling water system shown in the illustration? Illustration MO-0111

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Question 1 of 27070

Which set of valves will be opened intentionally to remove heat from the main engine jacket cooling water system shown in the illustration? Illustration MO-0111

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🔍 Key Concepts

• Follow the flow path of the jacket cooling water leaving the main engine and returning to it • Identify which component in the diagram actually removes heat from the jacket water (think cooler/heat exchanger vs. expansion tank) • Determine which valves must be open to route flow through the cooler rather than bypassing it

💭 Think About

• From the main engine outlet, trace the piping to see where the water can either go through a heat-removal device or bypass it. Which valves control those two options? • Look at the left side of the drawing: which pair of valves directs flow through the cooling water heat exchanger and which pair allows it to bypass the exchanger? • At the engine, which two valves control jacket water to and from the engine so that circulation through the cooler is possible?

✅ Before You Answer

• Identify on the drawing which symbol represents the jacket water cooler and which represents the expansion tank—only one of them removes heat • Verify which labeled valves are in the cooler branch and which are in the bypass branch—heat is removed only when flow goes through the cooler branch • Confirm that your chosen set includes both the inlet and outlet valves on the cooler side, and the matching valves at the engine, so that you have a complete cooling circuit