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Certified Technology Specialist-Designer > General from practice tests > Flashcards

General from practice tests Flashcards

1
Q 
According to best practice, who is the owner’s representative on an AV project?
Architect
Electrical consultant
Design team
Client's choice
A

Client will usually pick the AV manager, or committee to organize communication

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2
Q

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

A

End user skill level

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3
Q

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

A

Program report, Facility wish list, Floor plan, Budget

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4
Q

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

A

Consult the owner, examine standards and design manuals, and the project report

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5
Q

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

A

Consult the request for proposal (RFP) and examine the project description

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6
Q

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

A

Consulting the architectural program document, design phase discussions

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7
Q

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

A

Consult the project schedule outlining AV integration in a timeline

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8
Q

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

A

Follow the project directory & program report

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9
Q

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

A

Program report that addresses costs of needed systems, purchase and installation

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10
Q

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

A

Systems Specification

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11
Q

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

A

Identifying the intended use of the space

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12
Q

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

A

Control system requirements

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13
Q

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

A

Ceiling height

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14
Q

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)

A

8’ (2440mm)

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15
Q

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

A

Square root

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16
Q

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

A

Rear three rows of room

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17
Q

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

A

Display size

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18
Q

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)

A

375 pounds (168.75 kg)

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19
Q

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

A

Adequate mounting support to withstand cable pulling

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20
Q

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

A

Allowable fill percentage based upon local codes and regulations.

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21
Q

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

A

1920 watt

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22
Q

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)

A

5 footcandles (50 lux)

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23
Q

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

A

Reduced possibility of address duplication

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24
Q

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

A

Data security/encryption issues

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25
Q

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

A

Bandwidth requirements

26
Q

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

A

Silencers, baffles, and insulation panels

27
Q

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

A

An asset if arriving within 50 ms after the direct sound

28
Q

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

A

Stabilizer arms, sway bars, and safety cables should be utilized

29
Q

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

A

The program audio system is muted

30
Q

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

A

Serial control and video

31
Q

Stereo loudspeaker systems typically use what type of signal?

Analog

RGBH

High gain

Low gain

A

Analog

32
Q

The two basic AV signal types are:

Dynamic and Static

Bit and Megabyte

Sine and Cosine

Digital and Analog

A

Digital and Analog

33
Q

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

A

Digital Signal can address signal degradation, storage, and recording issues

34
Q

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

A

Set up initial signal paths and switchers with extra inputs

35
Q

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

A

Use alternate approaches, substitutions, reduce or delete subsystem components

36
Q

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

A

For distance learning to several classrooms

37
Q

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

A

Design development

38
Q

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

A

Absorption, diffusion, reverberation (RT 60), background noise (NC, RC)

39
Q

What other type of light, besides light coming directly from a source, must be measured?

Refracted

Distorted

Fluorescent

Ambient

A

Ambient

40
Q

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

A

Lux with an incident meter

41
Q

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

A

Use the scale to measure and convert to feet and meters

42
Q

An AV conduit riser diagram will show information such as:

Electrical light wiring

Electrical breaker boxes

Junction and pull boxes

Plumbing routes

A

Junction and pull boxes

43
Q

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

A

Locations of server, phone and Ethernet lines, WiFi modem

44
Q

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

A

Details of equipment configuration and interconnections

45
Q

Where will the equipment dimensional information for a design application be found?

Electrical coordination drawings

TELCO/DATA coordination drawings

Conduit Riser diagrams

Architectural Specifications

A

Architectural Specifications

46
Q

What architectural document shows details about equipment mounting?

Electrical coordination drawings

Architectural schedules and notes

Conduit Riser diagrams

Sectional Block drawings

A

Architectural schedules and notes

47
Q

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

A

Microphones, mixers, switchers, routers, and processors

48
Q

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

A

Ergonomics, weight distribution, RF and IR reception, heat loads, signal separation

49
Q

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

A

The connected devices, cabling system, wireless links

50
Q

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

A

Compare shop drawings & final architectural plans from design development phase

51
Q

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

A

All AV Ethernet enabled devices used, manufacturer, model, IP address, ports used

52
Q

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

A

Connections, plate & panels, patch panels and control panels, equipment

53
Q

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

A

Codes, references, shop drawings, commissioning & testing requirements

54
Q

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

A

There is a mis-match between a diagram and a description on the project

55
Q

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.

A

Communicate with the project manager

56
Q

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

A real time analyzer

57
Q

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

A

Audio, video, network & TELCO, electrical, RF transmission

58
Q

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

A

Project specification documentation

59
Q

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

A

6 people

60
Q

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

A

Reduces service calls as well as improper use and equipment damage

Certified Technology Specialist-Designer (3 decks)

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