ESCO Air Conditioning Practice Exam

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Scroll compressors move refrigerant by

  1. Compressing it with pistons

  2. Forcing it through valves

  3. Involute Spirals

  4. Rotary blades

The correct answer is: Compressing it with pistons

Scroll compressors move refrigerant by compressing it with pistons. Option B is incorrect because scroll compressors do not use valves to force refrigerant. Option C is incorrect because scroll compressors use involute spirals, rather than helical curves. Option D is incorrect because scroll compressors do not use rotary blades to move refrigerant.

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