LSS - AALSO
A positive displacement pump that utilizes a set of rollers that compress and rotate
across an elastomeric tube to pump a fluid is a - answer Peristaltic pump
According to the above diagram, which part of the centrifugal pump does the motor
connect to? - answer Drive shaft flange
Which of the following life support system components could be categorized as
mechanical filtration? - answer Drum filter
Which of the following life support system components uses high flow rates and higher
pressures to mechanically filter water? - answer High pressure sand filter
A _____________ valve uses the guillotine action of a solid wall to control the flow of
water: - answer Gate
A globe valve uses _____________ to control the flow of water: - answer Spherical
articulating disk
Which condition can decrease foam fractionator efficiency? - answerLarge disruptive
bubbles in the reaction column
Before entering a confined space, you should do all of the following EXCEPT: -
answerSecurely tie a rope around your waist to ensure rescue if necessary
Before entering a confined space, you should do all of the following: - answerLock
out/tag out all mechanical equipment
Ensure adequate ventilation
Test oxygen levels and dangerous gases
Which of the following is a type of chemical filtration? - answerCarbon filter
Channeling in a sand filter can be caused by - answerImproper backwashing frequency
Broken lateral
What is the media flow rate range for a sand filter during normal operation? - answer9-
15 Gal/min/ft2
What is the appropriate way to dispose of burnt-out fluorescent bulbs that contain
mercury? - answerHazardous waste
A positive displacement pump that utilizes a set of rollers that compress and rotate
across an elastomeric tube to pump a fluid is a - answer Peristaltic pump
According to the above diagram, which part of the centrifugal pump does the motor
connect to? - answer Drive shaft flange
Which of the following life support system components could be categorized as
mechanical filtration? - answer Drum filter
Which of the following life support system components uses high flow rates and higher
pressures to mechanically filter water? - answer High pressure sand filter
A _____________ valve uses the guillotine action of a solid wall to control the flow of
water: - answer Gate
A globe valve uses _____________ to control the flow of water: - answer Spherical
articulating disk
Which condition can decrease foam fractionator efficiency? - answerLarge disruptive
bubbles in the reaction column
Before entering a confined space, you should do all of the following EXCEPT: -
answerSecurely tie a rope around your waist to ensure rescue if necessary
Before entering a confined space, you should do all of the following: - answerLock
out/tag out all mechanical equipment
Ensure adequate ventilation
Test oxygen levels and dangerous gases
Which of the following is a type of chemical filtration? - answerCarbon filter
Channeling in a sand filter can be caused by - answerImproper backwashing frequency
Broken lateral
What is the media flow rate range for a sand filter during normal operation? - answer9-
15 Gal/min/ft2
What is the appropriate way to dispose of burnt-out fluorescent bulbs that contain
mercury? - answerHazardous waste
