Quiz #5 Flashcards
Sound is essentially a rapid fluctuation in air pressure.
It can be defined as a physical wave, as a mechanical vibration, or as a series of pressure variations in air or in ____________
The ear drum
An elastic medium
encapsulated air
the electromagentic spectrum
Elastic Medium
True or False
Sound is propagated by way of transverse mechanical energy waves.
False
In acoustical terms loudness is a function of the _____________ of sound propagation.
intensity
expansion
amperage
amplitude
Amplitude
True or False?
A WAN communication system in a large multinational security agency (think CIA or FBI) would be most secure by utilizing a completely wireless application.
False
One of the under appreciated aspects of smart technology is that if properly designed it can be _______________.
(select the answer that best completes the statement…some answers may be good….but only one is backed up by course content)
intuitive
sustainable
safer
contactless
Intuitive
Energy management control systems (EMCSs) turn off equipment that is not in
use, optimize HVAC operation, and cycle electrical loads to limit overall demand. This function is also known as __________ __________.
Load Shedding
True or False?
It’s more effective to apply home automation to ‘generate integrated solutions,’ than to fulfill individual functions.
True
Which came first the elevator or the escalator?
elevator
escalator
neither (dumb waiter)
Elevator
True or False?
A good alternative to an elevator in a commercial high rise building is to provide a stair lift on an emergency power circuit.
False
True or False?
Wayfinding via cellular devices is the best way to provide wayfinding and navigation for first time visitors of large commercial buildings.
False
True or False?
Home automation can improve the quality of life for elderly or differently abled people.
True
True or False
The ADA requires braille text on all signage
False
______________ is decibels (dB) level reduction in noise a material/ partition can provide. Simply put, it measures how much
sound a wall, for instance, will block from getting through the other side.
Sound Transmission Coefficent (STC)
____________ measures the degree to which a ceiling panel, or other acoustic surface, absorbs sound.
Noise Reduction Coefficent (NRC)
