(OLD) Ch 15 - Distributed Paging Sys

Question 0

15–7 sound pressure level (SPL)

Jet airplane takeoff =

Answer 0

Exceeds 100

Question 1

15–3 principles of design

types of patients systems =
2

Answer 1

Centrally amplified systems

Distributed amplified systems

Question 2

15–7 sound pressure level (SPL)

Doctor’s exam room =

Answer 2

55

Question 3

15–7 sound pressure level (SPL)

Levels above 95 dB =

Answer 3

Unsuitable for paging except in extreme situations

Question 4

15–8 loudspeaker

Paging =

Answer 4

10 DB above the ambient level

Question 5

15–9 ceiling loudspeaker distribution patterns

Two most common loudspeakers =

Answer 5

Hexagonal

Square

Question 6

15–9 ceiling loudspeaker distribution patterns

Hexagonal =

Answer 6

Preferred pattern

Question 7

15–9 ceiling loudspeaker distribution patterns

Distance between ceiling loudspeaker =

Answer 7

Twice the ceiling height

Question 8

15–9 ceiling loudspeaker distribution patterns

Figure 15.1……

Answer 8

Hexagonal loudspeaker pattern

Question 9

15–9 ceiling loudspeaker distribution patterns

Figure 15.2……

Answer 9

Square loudspeaker pattern

Question 10

15–10 wall-mounted loudspeakers

One loudspeaker =

Answer 10

600 ft.²

Question 11

15–10 hallway loudspeakers

Heavy traffic hallways =
Normal traffic always =

Answer 11

• 8 ft

* twice the ceiling height minus the listener ear height