Physics
Room Acoustics
Special
100

What stands 𝜏 for?

𝜏 ist the symbol for transmittance

100

Which psychological effect helps the students to understand the professor? 

Visual contact

100

Which equivalent absorption area ist bigger?

Men, or Woman?

Men

200

When 𝛼=0, which physical result you get?

Reflection

200

How much dB difference is there in an ideal lecture room from the front to the back row?

5 dB

200

Which lecture has the lowest average volume?

GE - Electrical Engineering

47,34dB

300

What are the Elements of Absorption?

Transmittance + dissipation factor

300

What ist the max. height of the ceiling in room 25-0.01

6.88m 

(Nearest wins)

300

What stands HVAC for?

H - Heating

V - Ventilation

AC - Air-conditioning

M
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