CTS Exam Prep Questions and answers, rated A+ / APPROVED EXAM PREDICTION PAPER/

CTS Exam Prep Questions and answers, rated A+ Do application determine tasks? - -Yes - and tasks determine function and features Do applications support functions and features? - -No - functions and features support applications Do function and features support tasks? - -Yes - tasks support application and end user needs Do tasks support function and features? - -No - function and features support tasks How do you calculate the heat load? - -Calculate total watts in the room * 3.4 (BTU) How do you calculate the total impedance of a parallel loudspeaker circuit where the ohms are different levels? - -Total Impedance = Total number of speakers impedance combined over 1 How do you calculate the total impedance of a parallel loudspeaker circuit? - -Total impedance = one speaker's impedance/total number of speakers How do you calculate the total impedance of a series loudspeaker circuit? - -Total Impedance = Total number of speakers impedance combined How do you determine screen size? - -Distance of farthest viewer/4, 6, or 8 How do you find the amps needed when only watts are given? - -I = P/ How do you find what the aspect ratio is? - -AR = W/H How do you know how far away the furthest viewer can be based on activity? - -Distance = Screen height*4 (inspection), 6 (reading), or 8 (video) How do you know how far away the furthest viewer can be based on text height? - -Distance = Text height*150 How do you know what size screen to specify? - -Screen height = Distance of farthest viewer/4 (inspection), 6 (reading), or 8 (video) How do you measure the power change over distance? - -DB = 10*Log (old distance/new distance) How do you measure the SPL or voltage change over distance? - -DB = 20*Log (old distance/new distance) (Note - Negative is a decrease and positive is an increase