A positive displacement pump that utilizes a set of rollers that compress and rotate across an
elastomeric tube to pump a fluid is a:
A. Flexible impeller pump
B. Diaphragm pump
C. Centrifugal pump
D. Peristaltic pump - Answers D. Peristaltic pump
According to the diagram, which part of the centrifugal pump does the motor connect to?
A. Pump casing
B. Impeller
C. Volute
D. Drive shaft flange - Answers D. Drive shaft flange
Which of the following life support system components could be categorized as mechanical filtration?
A. Ultraviolet sterilizer
B. Ozone contact tank
C. Rotating drum filter
D. None of the above - Answers C. Rotating drum filter
Which of the following life support system components uses high flow rates and higher pressures to
mechanically filter water?
A. Ultraviolet sterilizer
B. Carbon filter
C. High pressure sand filter
D. None of the above - Answers C. High pressure sand filter
A ______valve uses the guillotine action of a solid wall to control the flow of water:
A. Butterfly