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WorksheetsSound System Quiz 1
Total questions: 24
Worksheet time: 12mins
Which one of the following is TRUE about the digital mixing console?
iIt cuts down the racks of outboard gear.
It cuts down the number of plugin that can be used.
Its decreases the number of input channels.
It increases the chance of system failure.
Which one of the following is TRUE about line arrays?
Line arrays cannot be aligned to create even dispersion.
Line arrays can only be used in small concert venues
Line arrays cannot be flown or rigged up
Line arrays can be ground stacked.
Which one of the following BEST describes the use of a compressor?
To protect system
To reduce feedback.
To control dynamic range.
To reduce ambient noise from open microphones.
Which one of the following is a property of a crossover?
To split the Low, Mid and High frequencies
To compress the input signals.
To provide phantom power
To eliminate feedback.
Which one of the following is a property of a dynamic microphone?
Dynamic needs +48V
Dynamic have low handling noise.
Dynamic are more sensitive compared to condensers.
Dynamic have flatter frequency response
Which one of the following is a property of a condenser microphone?
Condensers do not need +48V.
Condensers have low handling noise.
Condensers have flatter frequency response
Condensers are less sensitive compared to dynamic.
Which one of the following is TRUE about Direct Injection Box (DI Box)?
An Active DI Box is used to connect condenser microphones.
A Passive DI Box does not have a transformer inside it.
An Active DI box has a preamp inside it.
A Passive DI Box needs +48V.
Which one of the following is the BEST use of insert cables?
ACD players.
Electric Guitars
Gates and Compressors.
Multi-Effects Reverb Unit
Fig 1
Identify the item in Fig 1
TS.
RCA.
TRS.
3.5mm.
What does PFL stand for?
Pre Fader Listen.
Post Fader Listen.
Pre Fader Loudness
Post Fader Loudness.
On a mixing console, where would you normally connect a compressor?
Insert Out.
Aux Sends.
Aux Returns.
L / R Mix Out.
What does HPF stand for?
High Peak Filter.
High Process Filter.
High Phase Filter.
High Pass Filter.
When intercom is used to communicate
in-between multiple people, it is known as
personal - line communication system.
spray - line communication system.
party- line communication system.
dual - line communication system.
The MAIN reason for using intercom system in an event is to
conduct briefing in actual event.
Chat between crews.
Use as emergency purpose.
give instruction to crews in an event.
Extreme deflection on a truss can cause instability to a completed structure. The maximum deflection limit allow is
1/50 of the span.
1/5000 of the span.
1/100 of the span.
1/1000 of the span
Earth loop hum is a major problem for professional sound systems, and is often created when
connectors are dirty.
there is no earth connection
the cable is not securely mounted
two or more pieces of electronic equipment are inter-connected.
Fig.26
One the many uses for an audio spectrum analyzer shown in figure 26 is
to eliminate reverberation.
to verify functionality of the FOH speakers
to increase audio signals.
to compress audio signal.
Once an amplifier reaches its maximum power, pushing it for more will result to sound distortion called _______.
clipping.
shorting.
panning.
humming.
Name the basic requirement for carry out packing and unpacking of sound equipment
Installation list
Purchasing list
Connection list
Packing list
In a PA system it is usual for the amplifiers to be turned up to their maximum, as the level is controlled firstly by the
compressor and secondly, by the crossover
equalizer and secondly, by the crossover
processor and secondly, the crossover
mixing console and secondly, by the crossover.
The difference in decibel levels between the strongest and the weakest audio output signals that a hi-fi system can produce while maintaining clarity is known as the
alpha cut off.
dynamic range.
gain bandwidth product.
distortion coefficient.
Fig. 16
Which one of the following best describes the pickup pattern in Figure16?
Hyper cardioid
Cardioid.
Bidirectional.
Omni directional.
Phase shift between two signals which are completely out of phase to each other leads to
soft sounds.
loud sounds.
intermittent sounds
sound cancellations.
The most popular reason for colour coding flight cases is to sort items by
weight
location.
fragility
equipment.
