Cts exam av math - Study guides, Class notes & Summaries

EXAM: AVIXA CTS| 421 Sample Questions & AV Math with Complete Solutions A quick and accurate means to estimate dimensions of a commercial space during a site inspection would be to _____? A) Count the number of ceiling tiles in a drop tile installation B) Pace off number of steps across the room using an average of 3' (1m) per step C) Utilize your arm span to measure the walls using an average of 5' 6" (1.5m) D) Estimate based upon the number of fire sprinklers CORRECT ANS-Count the ...

CTS Exam - AV Math

CTS Exam - AV Math, Top Exam Questions and answers, rated A+ Aspect Ratio - -The ratio of width to height in a screen or other output device. W/H Throw Distance - -The distance from a projector to a focusing surface or screen. = Screen Width * Throw Ratio Image Height Formula - -SH = D / SL SL = 4, 6, or 8 ex. D = 480inches SL = 8 SH = 480 / 8 = 60in high Farthest Viewer By Text Height - -D = TH * 150 Impedance - -Total opposition to current flow. Parallel Circuit Impe...