Author Question: To use a fan curve, you need to know A) the CFM and the RPM B) the required CFM and the static ... (Read 5 times)

bclement10

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To use a fan curve, you need to know
 
  A) the CFM and the RPM
  B) the required CFM and the static pressure the fan must operate against
  C) the horsepower and efficiency
  D) the RPM and tip speed

Question 2

A lake loop is an example of
 
  A) a closed loop system B) a waste water system
  C) a natural convection loop system D) an open loop system



cam1229

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Answer to Question 1

B

Answer to Question 2

A



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