A single stage supercharger has ______ impeller.

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Multiple Choice

A single stage supercharger has ______ impeller.

Explanation:
The main idea is how many times air is compressed in a supercharger, which is determined by the number of impellers. A single-stage supercharger uses one impeller to impart energy to the air and compress it in one pass. That's why it has one impeller. If there were two stages, the air would be compressed twice in sequence, typically with interstage cooling, requiring multiple impellers. So, one impeller is the defining feature of a single-stage setup.

The main idea is how many times air is compressed in a supercharger, which is determined by the number of impellers. A single-stage supercharger uses one impeller to impart energy to the air and compress it in one pass. That's why it has one impeller. If there were two stages, the air would be compressed twice in sequence, typically with interstage cooling, requiring multiple impellers. So, one impeller is the defining feature of a single-stage setup.

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