The tractor tug to which you are assigned...

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Question 1 of 2066636eef28f7522a1c5203bf

The tractor tug to which you are assigned has main engines fitted with intake and exhaust systems as shown in the illustration. What statement best describes the configuration of the multiple turbochargers? Illustration MO-0177

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Question 1 of 20

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🔍 Key Concepts

• Trace the flow of exhaust gas and compressed air using the arrows and legend in the illustration. • Distinguish between turbochargers arranged in series (same gas/air passes through more than one turbo) versus in parallel (each turbo serves a separate path or cylinder bank). • Count how many distinct turbocharger wheel/shaft assemblies (turbine + compressor) are actually shown, and how many cylinder banks feed them.

💭 Think About

• Follow the exhaust gas from the manifolds at the far left: does it split to different turbochargers for different banks, or does it pass sequentially through more than one turbine? • Follow the inlet air from the atmosphere to the charge‑air cooler: does the air go through one compressor or through two compressors before it reaches the cooler? • Look at how many discharge lines go into the charge‑air cooler: does that suggest one combined boosted stream or multiple separate boosted streams?

✅ Before You Answer

• Verify the number of visible turbine/compressor wheels in the drawing. • Verify whether there is one common charge‑air cooler or separate coolers for different banks. • Confirm whether each cylinder bank has its own outlet path to a turbocharger (parallel) or whether the exhaust from both banks is combined and then passes through staged turbochargers (series).

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