Practice question

What type of pump is standard on professional sealcoat spray rigs for transferring aggregate-filled asphalt emulsion sealer?

  1. High-pressure piston paint sprayer pump with inline filter assembly.
  2. Air-operated double-diaphragm or peristaltic pump.
  3. Submersible centrifugal clear water pump.
  4. Rotary vane high-vacuum suction pump.

Answer: B — Air-operated double-diaphragm or peristaltic pump.

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