AALSO Life Support Practice Exam Questions and
Answers Verified 100% Correct
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
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
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
c) Rotating drum filter
, Which of the following life supporting 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
c) High pressure sand filter
A ________ valve uses the guillotine action of a solid wall to control the flow of water:
a) Butterfly
b) Ball
c) Gate
d) Globe
c) Gate
A globe valve uses ___________ to control the flow of water:
a) Wafer-like articulating disk
b) Guillotine action of a solid wall
c) Plug and baffle
d) Spherical articulating disk
c) Plug and baffle
Which condition can decrease foam fractionator efficiency?
a) Consistent flow rate through the fractionator
b) Large disruptive bubbles in the reaction column
Answers Verified 100% Correct
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
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
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
c) Rotating drum filter
, Which of the following life supporting 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
c) High pressure sand filter
A ________ valve uses the guillotine action of a solid wall to control the flow of water:
a) Butterfly
b) Ball
c) Gate
d) Globe
c) Gate
A globe valve uses ___________ to control the flow of water:
a) Wafer-like articulating disk
b) Guillotine action of a solid wall
c) Plug and baffle
d) Spherical articulating disk
c) Plug and baffle
Which condition can decrease foam fractionator efficiency?
a) Consistent flow rate through the fractionator
b) Large disruptive bubbles in the reaction column
