A filter pump (water aspirator) creates suction because:

  1. it heats the air
  2. it uses magnets
  3. fast water through a narrow nozzle lowers the pressure, drawing air in
  4. it compresses the water
Answer

C) fast water through a narrow nozzle lowers the pressure, drawing air in

Venturi effect. SLO P-11-B-44 · Application

Physics MCQ · More Fluid Statics and Dynamics MCQs · Practise