The twin-screw supercharger has identical rotors.

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Multiple Choice

The twin-screw supercharger has identical rotors.

Explanation:
Intermeshing rotors trap and move air by forming sealed pockets along their length as they rotate in opposite directions. To make those pockets, the two rotors must have complementary shapes that fit together—often described as a male and a female profile—so the lobes and valleys mesh smoothly and maintain tight clearances. If they were identical, the lobes wouldn’t mesh properly and would either collide or leave gaps, preventing effective sealing and compression. That’s why a twin-screw supercharger uses non-identical rotor profiles, making the statement false.

Intermeshing rotors trap and move air by forming sealed pockets along their length as they rotate in opposite directions. To make those pockets, the two rotors must have complementary shapes that fit together—often described as a male and a female profile—so the lobes and valleys mesh smoothly and maintain tight clearances. If they were identical, the lobes wouldn’t mesh properly and would either collide or leave gaps, preventing effective sealing and compression. That’s why a twin-screw supercharger uses non-identical rotor profiles, making the statement false.

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