Chapter 3
Chapter 4
Chapter 5
Chapter 1/2
Riddles
100

What would be the first and most important step in designing a distributed audio system? 

  1. Determine which rooms will have speakers and controls
  2. Interviewing the client
  3. Location of the head end 
  4. Selection of source electronics

B. Interviewing the client

100

Digital audio is the preferred method for transporting audio signals because it   ?  . 

  1. can be copied and amplified, retaining quality 
  2. can incorporate multiple audio signals into a single stream 
  3. does not degrade with distance 
  4. is less susceptible to interference 
  5. reduces the cost of signal transmission 
  6. a., c., and d. only 
  7. all of the above 
  1. can be copied and amplified, retaining quality (0%)
  2. can incorporate multiple audio signals into a single stream (0%)
  3. does not degrade with distance (0%)
  4. is less susceptible to interference (0%)
  5. reduces the cost of signal transmission (0%)
  6. a., c., and d. only (0%)
  7. all of the above (100%)
100

What was the original technology of analog televisions? 

  1. CRT 
  2. DLP 
  3. LED 
  4. OLED 
  1. CRT (100%)
  2. DLP (0%)
  3. LED (0%)
  4. OLED (0%)
100

Which of the speakers in a surround sound system provide ambient effects? 

  1. Front center 
  2. Front left and right 
  3. Rear left and right 
  4. Subwoofer (low frequency effects) 
  1. Front center (0%)
  2. Front left and right (0%)
  3. Rear left and right (100%)
  4. Subwoofer (low frequency effects) (0%)
100

What gets bigger the more you take away from it?

A hole.

200

Speakers should be separated by   ?  .

  1. 6' to 10' 
  2. 8' to 12' 
  3. 10' to 14' 
  4. 12' to 16' 


  1. 6' to 10' (0%)
  2. 8' to 12' (100%)
  3. 10' to 14' (0%)
  4. 12' to 16' (0%)
200

  ?   is the fixed number of pixels that make up a digital video display. 

  1. Clarity 
  2. Native resolution 
  3. Video scan 
  4. All of the above 
  1. Clarity (0%)
  2. Native resolution (100%)
  3. Video scan (0%)
  4. All of the above (0%)
200

LED backlighting comes in three main arrangements in displays. Which of the following is the best option? 

  1. Direct lit 
  2. Edge lit 
  3. Full array 
  4. None of the above 
  1. Direct lit (0%)
  2. Edge lit (0%)
  3. Full array (100%)
  4. None of the above (0%)
200

Which type of driver is used to reproduce the highest frequencies? 

  1. Midrange 
  2. Tweeter 
  3. Woofers 
  4. All of the above 
  1. Midrange (0%)
  2. Tweeter (100%)
  3. Woofers (0%)
  4. All of the above (0%)
200

If you have three apples and you take away two, how many do you have?

Two.

300

DAILY DOUBLE!!!!

Which of the following is not a phase of the installation process of a distributed audio system? 

  1. Final installation 
  2. Pre-wire 
  3. Pulling cable 
  4. Trim out 
  5. Walk through
  1. Final installation (0%)
  2. Pre-wire (0%)
  3. Pulling cable (100%)
  4. Trim out (0%)
  5. Walk through (0%)
300

Which video scanning method requires more bandwidth? 

  1. Interlaced scanning 
  2. Progressive scanning 
  3. a. and b. are the same 
  1. Interlaced scanning (0%)
  2. Progressive scanning (100%)
  3. a. and b. are the same (0%)
300

In the three-chip system, prisms split a single light source into three components. Each color channel is processed individually, then recombined into a single image in the   ?   technology. 

  1. DLP 
  2. Laser 
  3. LCoS 
  4. QLED 
  1. DLP (0%)
  2. Laser (0%)
  3. LCoS (100%)
  4. QLED (0%)
300

Which of the following is not an audio amplifier specification?

  1. Dynamic range 
  2. Load impedance 
  3. Power rating 
  4. Root-mean-square error 
  5. Sound-to-noise ratio 
  6. Total harmonic distortion 

 

  1. Dynamic range (0%)
  2. Load impedance (0%)
  3. Power rating (0%)
  4. Root-mean-square error (100%)
  5. Sound-to-noise ratio (0%)
  6. Total harmonic distortion (0%)
300

Where does today come before yesterday?

The dictionary.  

400

Electrical power or lighting wiring should not run through the same pathway as A/V cabling. Keep a minimum of   ?   separation and cross at a 90° angle. 

  1. 4" 
  2. 6" 
  3. 10" 
  4. 12" 
  1. 4" (0%)
  2. 6" (0%)
  3. 10" (0%)
  4. 12" (100%)
400

  ?   is a masking technique that involves adding black bars above and below the image area to mask the unused space to fit the display format and show the correct image size. 

  1. Aspect ratio 
  2. Cinemascope 
  3. Letterboxing 
  4. Window boxing 
  1. Aspect ratio (0%)
  2. Cinemascope (0%)
  3. Letterboxing (100%)
  4. Window boxing (0%)
400

  ?   is the maximum angle where viewers can still see the image without experiencing any change in brightness, color, or image quality. This will change with distance and image size.

  1. Depth of field 
  2. Field of view 
  3. Sight line 
  4. Viewing angle

 

  1. Depth of field (0%)
  2. Field of view (0%)
  3. Sight line (0%)
  4. Viewing angle (100%)
400

To increase or decrease the power at a constant voltage speaker, the installer can choose from different   ?  . 

  1. bridges 
  2. planes 
  3. sources 
  4. taps 
  1. bridges (0%)
  2. planes (0%)
  3. sources (0%)
  4. taps (100%)
400

DAILY DOUBLE!!!

The one who makes it, sells it. The one who buys it, never uses it. The one that uses it never knows that he’s using it. What is it?


A coffin

500

Pre-wire takes place after all   ?   are completed, but the walls are still open and   ?   has not been installed. 

  1. framing members / mechanical 
  2. mechanicals / drywall 
  3. mechanicals / electrical 
  4. mechanicals / insulation 
  1. framing members / mechanical (0%)
  2. mechanicals / drywall (0%)
  3. mechanicals / electrical (0%)
  4. mechanicals / insulation (100%)
500

A(n)   ?  , also known as a video router, is an electronic component designed to route multiple input sources to one or more display devices. 

  1. aspect ratio 
  2. matrix switcher 
  3. router 
  4. stand-alone switch 
  1. aspect ratio (0%)
  2. matrix switcher (100%)
  3. router (0%)
  4. stand-alone switch (0%)
500

When designing the viewing experience, plan the viewing distance and display size based on the optimal field of view of   ?   at the owner's seat. 

  1. 10° 
  2. 25° 
  3. 36°
  4. 50° 
  1. 10° (0%)
  2. 25° (0%)
  3. 36° (100%)
  4. 50° (0%)
500

ANSI/CEA-2030, Multi-Room Audio Cabling Standard, recommends choosing cable gauge so that there is no more than   ?   loss of power for the cable length. 

  1. 10% 
  2. 15% 
  3. 20% 
  4. 25% 


 

  1. 10% (0%)
  2. 15% (0%)
  3. 20% (100%)
  4. 25% (0%)
500

I build up castles. I tear down mountains.
I make some men blind,
I help others to see.
What am I?

Sand

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