General from practice tests Flashcards
According to best practice, who is the owner’s representative on an AV project? Architect Electrical consultant Design team Client's choice
Client will usually pick the AV manager, or committee to organize communication
Which of the following must be known and considered while designing the user interface of the AV system?
Project budget
End user skill level
Riser diagrams
Device control protocols
End user skill level
What steps are required to be followed by AV Consultant before making the AV Tender?
Program report, Facility wish list, Floor plan, Budget
Floor Plan, Design Brief, Electrical Drawings, Facility list
End User brief, Architectural plan, Lighting drawings Budget
HVAC Plan, Floor Plan, Space plan, Budget
Program report, Facility wish list, Floor plan, Budget
How do you determine the client’s long term plans and needs in terms of equipment and support maintenance?
Ask advice from other AV industry experts and vendors
Contract with a consulting company to determine client needs
Consult the owner, examine standards and design manuals, and the project report
Design a generic system which fits any organization of that size
Consult the owner, examine standards and design manuals, and the project report
In the bid (tender) process how does one determine the client’s standard terms and conditions?
Consult the request for proposal (RFP) and examine the project description
Examine the statement of AV integrator qualifications
Use a benchmarking approach with a fellow AV design competitor
Consult recommendations put together by local government building inspectors
Consult the request for proposal (RFP) and examine the project description
How is the client’s ratio of technology-enabled rooms to personnel determined?
Divide the project budget by the total number of employees
Consult the project directory and the head AV technician
Determine the total electrical capacity for the building and use 67% of it
Consulting the architectural program document, design phase discussions
Consulting the architectural program document, design phase discussions
How does the AV Designer determine project schedules and timelines?
Call the architect and the owner for dates and system information
Use your own judgment based upon past experience
Consult the project schedule outlining AV integration in a timeline
Follow your company schedule provided by your senior project integrator
Consult the project schedule outlining AV integration in a timeline
How does one define project responsibilities and identify AV technology requirements?
The project architect and business manager will outline the responsibilities in the RFP
Follow the project directory & program report
Ask the owner what he wants along the way as project progresses
Follow guidelines determined by state and local building inspectors
Follow the project directory & program report
What information is needed to create a conceptual design including budget estimates?
The equipment list meets these criteria and will disclose all costs
A cost analysis study will quickly reveal what is needed in the AV system
Program report that addresses costs of needed systems, purchase and installation
The commissioning report will reveal all details concerning equipment cost analysis
Program report that addresses costs of needed systems, purchase and installation
An AV integrator’s documentation that includes scope of work, definition of systems, and responsibilities should be defined in which of the following documents?
Systems Specification
Schematic Design Narrative
Project Submittals
Commissioning Punch List
Systems Specification
What is the primary goal of a needs assessment?
Identifying the intended use of the space
Selecting the right equipment
Establishing the ‘first use’ date
Meeting the budget requirements
Identifying the intended use of the space
LEED certification goals for a project can influence which of the following AV system design decisions:
Loudspeaker selection and layout
Control system requirements
DHCP compatibility requirements
AV networking topology
Control system requirements
In a proposed presentation room with a flat floor and theatre style seating, which has the greatest influence on the visibility of a projection screen?
Ceiling height
Projection room location
Location of windows
Width of the room
Ceiling height
A ballroom will be equipped with ceiling mounted loudspeakers for sound reinforcement for a seated audience. The elevation drawing’s scale is 1/4” = 1’. Using an architect scale, the ceiling height is 3” (76 mm). What is the actual distance from the finished ceiling to the listener’s ears?
8’ (2440mm)
12’ (3660mm)
3’ (910mm)
4’ (1200mm)
8’ (2440mm)
The layout of a distributed loudspeaker system needs to be calculated using the formula for partial (minimum) spacing of loudspeakers. Which button on a scientific calculator is required?
Square root
10^x
STO
divide
Square root
For a flat floor auditorium with rows of staggered seats, evenly spaced for proper horizontal viewing which row or rows will determine the preferred minimum height of the bottom of the image on a display at the front of the room?
First three front rows of room
Ends of back row of room
Rear three rows of room
Second row from back of room
Rear three rows of room
A conference room requires video conferencing and AV presentation capabilities. Which of the following design elements are defined by the architectural dimensions and orientation of the room?
Display size
Display type
Display aspect ratio
Display brightness
Display size
According to best practices what is the safe working load (SWL) requirement for overhead mounting of a 75 pound (33.75 kg) projector?
500 pounds (225 kg)
375 pounds (168.75 kg)
300 pounds (180 kg)
275 pounds (123.75 kg)
375 pounds (168.75 kg)
When installing conduit it is important to remember that the conduit will require:
Room to expand 45% due to latent heating
Internal insulation, usually an injected polyurethane jell
Adequate mounting support to withstand cable pulling
A slip sleeve to insure adequate air space for cable
Adequate mounting support to withstand cable pulling
The first step when determining conduit capacity for cable should be to determine the:
Cable resistance and multiply by a factor of 5
Allowable fill percentage based upon local codes and regulations.
Wire dimensions exclusive of insulation multiplied by 3.1459
Bend radius for all cables utilized in the installation
Allowable fill percentage based upon local codes and regulations.
Considering a 2400 watt lighting dimmer is available, the design load for the system should NOT exceed:
1300 watt
1750 watt
1920 watt
2400 watt
1920 watt
What is the recommended (highest) ambient lighting level illuminating a front projections screen within a video conferencing space?
5 footcandles (50 lux)
30 footcandles (108 lux)
45 footcandles (161 lux)
25 footcandles (215 lux)
5 footcandles (50 lux)
Why might you recommend to an AV client to set up a dynamic host configuration protocol (DHCP) server system?
More secure server set up
It is a static address system
Reduced possibility of address duplication
No acknowledgement of delivery increases speed
Reduced possibility of address duplication
Which is an important consideration for AV designers concerning a client’s existing wireless network?
QoS could be minimized
Integration of POS equipment into the system
Data security/encryption issues
Variable bandwidth dynamics issues
Data security/encryption issues
During the design phase of a project that has many network-enabled AV devices. What will the IT team need from the AV designer?
Cable ties
A list of AV non-networked devices
Bandwidth requirements
An addendum to the SLA
Bandwidth requirements
How can the AV designer address ambient noise issues caused by HVAC equipment and ductwork vibration?
Silencers, baffles, and insulation panels
Place dampers near diffusers and grilles
Using larger ducts and high speed fans where practical
Use sensible heat rather than latent heat
Silencers, baffles, and insulation panels
Reflected sound could be:
A problem if the reflective material is directly behind the presenter
An asset if arriving within 50 ms after the direct sound
Scattering the sound throughout the venue
A factor when using fabric wrapped fiberglass panels
An asset if arriving within 50 ms after the direct sound
If your venue is located in an earthquake prone region what mounting precautions need to be taken to ensure the safety and security of persons and property?
Fluorescent light mounts should be avoided due to glass dangers
There should be a warning horn connected to a seismic sensor
Lightweight construction panels and AV materials should be used
Stabilizer arms, sway bars, and safety cables should be utilized
Stabilizer arms, sway bars, and safety cables should be utilized
When designing an AV control system in a building that requires the fire control system to be integrated, what is a major concern if the fire alarm initiates?
The lights staying on in the room
An email being sent out
The program audio system is muted
The window blinds stay up
The program audio system is muted
Which of the following signals can coexist in one conduit without interference?
Serial control and video
Speaker level audio and serial control
Video and microphone level audio
Data network and line level audio
Serial control and video
Stereo loudspeaker systems typically use what type of signal?
Analog
RGBH
High gain
Low gain
Analog
The two basic AV signal types are:
Dynamic and Static
Bit and Megabyte
Sine and Cosine
Digital and Analog
Digital and Analog
What is the advantage of converting an analog signal to digital?
Digital signal has more signal headroom
Digital Signal can address signal degradation, storage, and recording issues
Digital signals carry audio and video feeds that analog will not
Digital signals are more energy efficient to broadcast
Digital Signal can address signal degradation, storage, and recording issues
One way to plan for future AV expansion in the system is to:
Run extra lighting to unused rooms for future use
Set up initial signal paths and switchers with extra inputs
Purchase generators for extra electrical capacity for future use
Install extra speakers even though they are not yet needed
Set up initial signal paths and switchers with extra inputs
What are possible options the AV designer might use to reduce costs for value engineering?
Use alternate approaches, substitutions, reduce or delete subsystem components
Suggest to the client that the project goals and objectives be expanded
Ask the architect to utilize cheaper construction material in the initial construction
Suggest structural changes in the AV power grid to save on electrical consumption
Use alternate approaches, substitutions, reduce or delete subsystem components
Under what circumstances might you advise a client to implement a multi-point video conferencing control unit?
For distance learning to several classrooms
When two end-points need to communicate
For international video conferencing
For use in dial up and connect conferencing
For distance learning to several classrooms
During the __ phase of design the AV designer needs to help the architect address such issues as mechanical and electrical room placements, as well as sightline issues affecting ceiling heights.
Program
Design development
Conceptual design
Diagnostic
Design development
What factors besides the inverse square law of sound must be considered when measuring sound levels at the venue and filing reports?
Absorption, diffusion, reverberation (RT 60), background noise (NC, RC)
Attenuation(NC), destabilization, cross creep, resistance (Ohm)
Distance (SP), refraction (RQ), sound translation (STL)
Diminution, destabilization, interference, shifting
Absorption, diffusion, reverberation (RT 60), background noise (NC, RC)
What other type of light, besides light coming directly from a source, must be measured?
Refracted
Distorted
Fluorescent
Ambient
Ambient
For light coming directly from a source such as a light bulb, what measure and instrument should be used?
Foot Lambert with an STL
Candela with an incident meter
Lux with an incident meter
Footcandle with a light impedance meter
Lux with an incident meter
Using the floor plan, how would the AV designer confirm room dimensions?
Measure from the 16” studs located in the wall blue print
Calculate from the four corners
Use the scale to measure and convert to feet and meters
Look at lighting fixtures and calculate by surface area
Use the scale to measure and convert to feet and meters
An AV conduit riser diagram will show information such as:
Electrical light wiring
Electrical breaker boxes
Junction and pull boxes
Plumbing routes
Junction and pull boxes
What type of design information is found on TELCO/DATA coordination drawings?
Locations of server, phone and Ethernet lines, WiFi modem
Drains, water lines, intake valves, security system
Breaker boxes, lighting, RGBH signal runs
Locations of conduit runs, mixers, signal compressors
Locations of server, phone and Ethernet lines, WiFi modem
When producing shop drawings such as AV signal flow diagrams, what should be included?
Descriptions of the video feed settings and relays
Details of equipment configuration and interconnections
Details about the building infrastructure and sprinkler system
Vendor details and specifications
Details of equipment configuration and interconnections
Where will the equipment dimensional information for a design application be found?
Electrical coordination drawings
TELCO/DATA coordination drawings
Conduit Riser diagrams
Architectural Specifications
Architectural Specifications
What architectural document shows details about equipment mounting?
Electrical coordination drawings
Architectural schedules and notes
Conduit Riser diagrams
Sectional Block drawings
Architectural schedules and notes
When creating a schematic diagram of audio signal flow for a project what must be included in the diagram?
Microphones, mixers, switchers, routers, and processors
Inputs, outputs, equipment rack locations, ceiling venting
Conduit runs, pull boxes, bends
Construction materials, wall panels, acoustic tiles
Microphones, mixers, switchers, routers, and processors
What factors need to be considered when designing and drawing rack elevation diagrams?
User mobility, competence of the technician, quality of the rack material
Equipment manufacturer, model year of equipment, number of USB ports
Ergonomics, weight distribution, RF and IR reception, heat loads, signal separation
Amount of RJ-45 connectors used, amount of conduit used
Ergonomics, weight distribution, RF and IR reception, heat loads, signal separation
What systems should be included when drawing AV network diagrams?
The connected devices, cabling system, wireless links
Sprinkler system, ceiling plan, touch panel, plumbing runs
Signal control, audio auditing, laser conduit
Lighting and projection, noise synching, ambient noise reduction
The connected devices, cabling system, wireless links
Using the client’s scope, how do you confirm design match?
Call client & architect to ask them what they think about your design match
Compare pictures of set up systems to the original contract
Compare shop drawings & final architectural plans from design development phase
Get the client’s attorney to do a site visit to confirm match
Compare shop drawings & final architectural plans from design development phase
What should be listed on a detailed network component list?
All networking systems, LAN, wireless and DSP networks
Servers running DSP services, conduit, rack connections
Special products and work outsourced to subcontractors and affiliates
All AV Ethernet enabled devices used, manufacturer, model, IP address, ports used
All AV Ethernet enabled devices used, manufacturer, model, IP address, ports used
The final AV drawing package should contain detail drawings and diagrams of:
Manufacturer specifications, ceiling and infrastructure, concrete footer
Connections, plate & panels, patch panels and control panels, equipment
Ceiling tile format and composition, ceiling suspension layout
CPU circuit layouts by individual machine, Rj-45 connections
Connections, plate & panels, patch panels and control panels, equipment
What should be included in the AV specifications, or “project manual” to further describe the system components?
Codes, references, shop drawings, commissioning & testing requirements
Equipment manufacturer, model year of equipment, number of USB ports
Ergonomics, weight distribution, RF and IR reception, heat loads, signal separation
Amount of RJ-45 connectors used, amount of conduit used
Codes, references, shop drawings, commissioning & testing requirements
Under what circumstance would a designer need to generate a Request for Information (RFI) form on a project?
There is a mis-match between a diagram and a description on the project
The owner has a change in the project or requests a change
There is a site issue having to do with the concrete footers
The owner finds a major problem in the drain tile surrounding the construction site
There is a mis-match between a diagram and a description on the project
In an AV project involving a courtroom, sightlines from the jury box are obscured by an architectural feature. How should the issue be addressed?
Communicate with the project manager
Contact the architect with recommended changes
Let the judge manage the situation
No consult is necessary, move forward with your recommendations.
Communicate with the project manager
When testing the audio system to ensure that the system is equalized you will need an SPL meter, a signal generator and___.
An oscilloscope
A real time analyzer
A test pattern generator
A pink noise generator
A real time analyzer
What are the main systems which need to be tested in the final commissioning verification stage of a project?
Programming and accounting, sending & receiving, command & control
Random access & digital ranging, VHS components
Audio, video, network & TELCO, electrical, RF transmission
Digitalization & decoding, random detection & accessing, intercoms
Audio, video, network & TELCO, electrical, RF transmission
Where would the person in charge of verifying system performance locate performance criteria?
Call the installers of the system
Typically there isn’t any documentation, using personal experience is best.
Project specification documentation
Owner’s manuals
Project specification documentation
To assure optimum opportunity for end user training on the systems and equipment training group size should be no larger than:
25 people
20 people
10 people
6 people
6 people
Comprehensive training of end users and support staff is essential to customer satisfaction and also:
Is not expensive or time consuming because the manufacturer pays for it
Reduces service calls as well as improper use and equipment damage
Reduces AV contractor costs because it is a tax deductible expense
Enables the AV contractor to continue to keep paid personnel at the site
Reduces service calls as well as improper use and equipment damage
