The parts labeled "I" and "II", shown in the...

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Question 1 of 2066636eef28f7522a1c52005c

The parts labeled "I" and "II", shown in the illustration are respectively identified as the __________. Illustration MO-0020

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Question 1 of 20

66636eef28f7522a1c52005c

The parts labeled "I" and "II", shown in the illustration are respectively identified as the __________. Illustration MO-0020

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🔍 Key Concepts

• Gas flow direction through intake and exhaust valves in a 4-stroke diesel engine • Which port in the cylinder head connects to the intake manifold (cool, clean air) and which connects to the exhaust manifold (hot, burned gases) • Typical location/shape differences between intake valves and exhaust valves in textbook cross‑section drawings

💭 Think About

• Look at where passageways from the valves lead: which valve opens to a cooler, fresh‑air passage and which opens toward a hotter exhaust passage? • Imagine the 4‑stroke cycle in this cylinder: on the intake stroke, which labeled valve would let air in, and on the exhaust stroke, which labeled valve would let gases out? • Consider engine starting: do you see any separate air passage or valve that looks different from the normal poppet valves used for intake and exhaust?

✅ Before You Answer

• Trace the port connected to the intake manifold/air passage and match it with label I or II • Trace the port connected to the exhaust passage and match it with the remaining label • Verify that neither labeled part shows any separate piping or actuator that would be typical of a starting air valve or a fuel injector/atomizer

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Question 1 of 2066636eef28f7522a1c52005c

The parts labeled "I" and "II", shown in the illustration are respectively identified as the __________. Illustration MO-0020

Back

Question 1 of 20

66636eef28f7522a1c52005c

The parts labeled "I" and "II", shown in the illustration are respectively identified as the __________. Illustration MO-0020

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

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