I've got the power
Voltage is the force that causes ____ to flow through a conductor.
A. Ohms
B. Neutrons
C. Watts
D. Current
D. Current
One of the most efficient configurations for a vertical antenna is to _____.
A. Have a physical length one-quarter of the signal wavelength
B. Have a wavelength one-half the size of the receiving antenna
C. Have proper orientation
D. Have a mounting close to the ground
A. Have a physical length one-quarter of the signal wavelength
Which of the following is not considered part of active listening?
A. Focusing on what the person is saying
B. Summarizing and paraphrasing the person’s statements
C. Asking frequent questions to guide the conversation to the topic you are interested in discussing
D. Maintaining eye contact with the person
C. Asking frequent questions to guide the conversation to the topic you are interested in discussing
How are task parameters used when defining user needs?
A. To provide overall information about the desired general AV needs
B. To define the layout of AV components within a room
C. To define the specific AV functions that the components must support
D. To define the specific AV components
A. To provide overall information about the desired general AV needs
An AC signal of _____ falls into the RF spectrum.
A. 9kHz to 300GHz
B. No less than 9kHz
C. 300GHz and below
D. 3kHz to 300GHz
D. 3kHz to 300GHz
Current is measured in ____.
A. Amperes
B. Volts
C. Ohms
D. Watts
A. Amperes
When planning an electrical system, do not plan to exceed ____ of the current capacity of any circuit.
A. 95 percent
B. 80 percent
C. 65 percent
D. 75 percent
B. 80 percent
What is usually the best approach for communicating detailed technical AV plan information to a client?
A. Sending the information within an e-mail message
B. Sending the client an electronic document containing the information
C. Sending a fax message
D. Calling the client on the phone
B. Sending the client an electronic document containing the information
What is the purpose of benchmarking?
A. To demonstrate specific AV equipment in operation
B. To give the client an opportunity to experience a number of AV system designs that address similar needs
C. To test AV system designs
D. To evaluate AV vendors prior to final selection of a vendor
B. To give the client an opportunity to experience a number of AV system designs that address similar needs
What does the transmitter do with its incoming signal stream?
A. Modulates it to be sent out via an antenna
B. Stores and reads it
C. Demodulates it
D. Converts it so that it can be translated and received
A. Modulates it to be sent out via an antenna
The opposition to the flow of current in an AC circuit is called _____.
A. Ohms
B. Resistance
C. Impedance
D. Dissipation
C. Impedance
A current is always seeking to return to the _____.
A. Battery
B. Load
C. Ground
D. Source
D. Source
What is the most valuable source of information when defining the needs for an AV system?
A. Architectural drawings of the building
B. Feedback from benchmarking site visits
C. End-user descriptions of the tasks and applications the AV system will support
D. Client/building owner preferences for AV system equipment
C. End-user descriptions of the tasks and applications the AV system will support
The main function of a diversity receiver is to _____.
A. Amplify echoes so that the main signal is strengthened
B. Find incident and reflected signals that arrive in phase
C. Compare phase differences between signals to avoid cancellation
D. Eliminate multipath signals that come from the transmitter
C. Compare phase differences between signals to avoid cancellation
The range of frequencies between 300MHz and 3GHz is the _____ band.
A. VHF
B. HF
C. VLF
D. UHF
D. UHF
Power is measured in _____.
A. Voltage
B. Impedance
C. Resistance
D. Watts
D. Watts
The main panel distributes power using _____.
A. Distribution panels and service entrances
B. Feeders and distribution panels
C. Branch circuits and feeders
D. Service entrances and distribution panels
B. Feeders and distribution panels
What is the main purpose of an initial needs analysis?
A. To identify the specific equipment needs for the desired AV system
B. To determine the overall design of the AV system
C. To obtain the client’s vision of the AV system design
D. To identify the activities that the end users will perform and the functions that the AV system should provide to support these activities
D. To identify the activities that the end users will perform and the functions that the AV system should provide to support these activities
Parabolic antennas are ideal for use _____.
A. In tropical climates
B. In point-to-point communications
C. Where wide area coverage is important
D. Where the transmitters or receivers are in motion
B. In point-to-point communications
_____ is the most important step in converting data in a transmitter.
A. Transmission
B. Demodulation
C. Extraction
D. Modulation
D. Modulation
The relationship between voltage, current, and resistance is defined by the formula _____.
A. V = I/R
B. I = R/V
C. I = V/R
D. R = V*I
C. I= V/R
At what point in the AC power system are the branch circuits that power wall outlets and AV equipment connected?
A. Lateral feed
B. Feeders
C. Main distribution
D. Subsidiary distribution panel (panelboard)
D. Subsidiary distribution panel (panelboard)
How does knowledge of the overall room function assist the AV system designer in defining the client needs?
A. Provides a starting point from which to determine client needs
B. Defines the functionality that the system elements should provide
C. Provides a standard design that can be used for most clients
D. Provides a standard design template that can be given to the building architect
A. Provides a starting point from which to determine client needs
Why is it important for the AV professional to obtain a full set of building plans?
A. To understand the full range of room features to ensure that the AV system design takes other building systems and components into account
B. To evaluate and approve plans to ensure that room elements are compatible with the AV system installation needs
C. To be able to use general site plans to determine the layout of the selected AV components
D. Detailed building plans for the rooms in which the systems will be installed are typically not required; only a general floor plan is necessary
A. To understand the full range of room features to ensure that the AV system design takes other
What client contact information should be collected during the initial client meetings?
A. The main client contact
B. The client technical representative
C. Contacts that may be required for site instection and installation, including the architect, building manager, construction manager, security manager, IT manager, and so on
D. All of the above
D. All of the above