# Electrical engineering-Audio Video Engineering MCQs set /2 Sample Test,Sample questions

1.1K

2.2K

3.3K

4.4K

1.Penta

2.Hexa

3.Tera

1.5, 12

2.12, 5

3.9, 14

4.14, 9

1.30-15,000 Hz

2.120-15,000 Hz

3.90-15,000 Hz

4.30-50,000 Hz

## Question: ```By converting which signals into variations of light intensity falling onto the film is recording on photographic film donein optical recording of sound? ```

1.Video

2.Audio

3. Both video and audio

4.Transmission

1.Low fidelity

2.High fidelity

3.Blu-ray disc

4.DVDs

## Question: ```Design a crossover network to give 12 dB per octave attenuation for critical frequency of 0.5 KHz. Loudspeaker is having resistance of 8 Î©. ```

1.C = 200 Î¼F, L = 5.9 mH

2.C = 28.13 Î¼F, L = 3.6 mH

3.C = 45.78 Î¼F, L = 2.9 mH

4.C = 67.34 Î¼F, L = 9.9 mH

## Question: ```How is the sound power distributed amongst the audience to achieve uniformity in PA system? ```

1.More loud speakers in listenerâ€™s area

2.1 or 2 loudspeaker near a stage

3. 3 or 4 loudspeaker near a stage

4.More loud speakers in listenerâ€™s area

1.Singles

2.Hundreds

3.Thousands

4.Millions

1.6-7 KHz

2. 1-2 KHz

3.13-14 KHz

4.17-18 KHz

1.1

2.2

3.3

4.4

1.1987

2.1975

3.1998

4.1945

## Question: ```To which stage is the output of microphone fed in PA system? ```

1.Voltage amplifier

2.Loudspeaker

3.Power amplifier

4.Mixer

1.10

2.15

3.5

4.25

1.50

2.60

3.70

4.80

## Question: ```What can be downloaded instantly from the internet with the help of Blu-ray disc? ```

1.Audio

2.Video

3.Subtitles

4.Both audio and video

1.Distortion

2.Frequency

3.Amplitude

4.Phase

## Question: ```What does MP3 stands for? ```

1.MPEG audio layer 3

2.MKV video layer 3

3.MPEG video layer 3

4.JPEG audio layer 3

1.Tunnel

2.Funnel

3.Canal

4.Waves

1.CD

2.DVD

3.Audio player

4.Video Player

## Question: ```What is defined as the time for the acoustic intensity to decrease by a factor of one million? ```

1.Acoustic reverberation

2.Echo reverberation

3.Reverberation time

4.Audio amplifier

1.Cochlea

2.Pinna

3.Human ear

4.Auditory nerve

## Question: ```What is termed as a network which is used to divide the input signal into separate frequency ranges for each speaker? ```

1.Multi-way speaker

2.Crossover network

3. Optical recording

4.Bilateral network

## Question: ```What is termed as the persistence of sound even after the source of sound has stopped producing sound? ```

1.Acoustic reverberation

2.Time reverberation

3.Echo reverberation

4.Audio amplifier

## Question: ```What is termed as the point where the curve of woofer output crosses the curve of tweeter output? ```

1.Crossover amplitude

2.Crossover phase

3.Crossover frequency

4.Crossover cycle

## Question: ```What is the complete audible range for a human ear? ```

1.20 to 25,000 HZ

2.30 to 30,000 HZ

3.20 to 20,000 HZ

4.60 to 60,000 HZ

1.36 Mbps

2.56 Mbps

3.78 Mbps

4. 63 Mbps

1.Solid state

2.Liquid state

3.Gaseous state

4.Mixed state

2.Phase action

3.Power action

4.Public action

1.0.1 second

2.0.8 seconds

3.0.4 seconds

4.0.5 seconds

## Question: ```What is the range of tweeter for 3 way speaker system? ```

1.2000 Hz to 5000 Hz

2.5000 Hz to 20,000 Hz

3.500 Hz to 5000 Hz

4.20 Hz to 500 Hz

## Question: ```What is the range of woofer for 3 way speaker system? ```

1.20 Hz to 500 Hz

2.50 Hz to 5000 Hz

3.2000 Hz to 5000 Hz

4.500 Hz to 5000 Hz

1.100 dB

2. 40 dB

3.10 dB

4.500 dB

1.15 KM

2.5 KM

3.4 KM

4.35 KM

## Question: ```Which amplifier uses push-pull type amplifier circuit in PA system? ```

1.Power amplifier

2.Voltage amplifier

3.Driver amplifier

4.Frequency amplifier

1.Appleâ€™s iPod

3.Television

4.Pen drive

## Question: ```Which discs are virtually extinct now and have been replaced by compact discs (CDs) since many years due to numerous advantages they offer? ```

1.Gramophone discs (LPs)

2.Flutter discs

3.Dynamic discs

4.Blu-ray discs

1.Master

2.Slave

3.Key

4.Optical

1.Mixer

2.Microphone

3. Loudspeaker

4.Driver

1.MCU

2.USB

3.MPMan

4. AM tuner

## Question: ```Which of the following have short reverberation time? ```

1.Empty room

2. Unfurnished room

3.Cinemas

4.Empty playground

1.Ear canal

2.Pinna

3.Auditory nerve

4.Eardrum

2.DVD

3.MP3

4.CD

1.Decibel

2.Celsius

3.Kelvin

4.Rankine

1.Lower

2.Upper

3.Front

4.Back

1.Eardrum

2.Eustachian

3.Ear canal

4. Fallopian

## Question: ```Which two companies were pioneers in developing projects to record sound in digital form which give birth to the compact disc system in October 1982? ```

1.Philips and Sony

2.Dell and HP

3. Acer and HP

4.Sony and Intel

1.Electret

2.Moving coil

3.Ribbon

4.Cardioid

## Question: ```Which type of sound is produced in a closed room? ```

1.Direct, reflected and reverberant

2.Direct, refracted and reverberation

3.Indirect, refracted and reverberant

4.Indirect and reverberant

## Question: ```With which material is a photographic film strip coated on one side of photographic film in optical recording of sound? ```

1.Silver halide crystals

2.Silver chlorine crystals

3.Silver iodide crystals

4.Silver bromide crystals

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