General from practice tests Flashcards by Marty Durksen

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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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)

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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

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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

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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

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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)

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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

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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.

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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

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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)

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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

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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

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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

General from practice tests Flashcards

(60 cards)