Friction loss or static head in sizing of air ducts is given in this expression of units: A. pounds per square inch B. inches of water per 100 feet C. inches of refrigerant per 100 feet D. inches of water per foot Answer B. inches of water per 100 feet ARE 4.0 exam prep: BS
Great site.
ReplyDeleteHowever when i hover over some answers i get a black bar with no answer and sometimes i get a partial answer.
how do i change this?
Maybe check that you have an updated browser. I know some older IE versions like IE 6 don't properly display the feature (FYI - it's a 'tooltip' made with CSS3 stylesheet language). Otherwise Firefox, Safari, Chrome should work.
ReplyDeleteThanks for visiting! Are you testing soon?